CN113575154A - Cultivation method for cutting seedling - Google Patents

Abstract

The invention provides a cultivation method for cutting seedling, which relates to the technical field of cutting seedling and comprises the following steps: placing a culture medium in the culture box, and planting cutting seedlings in the culture medium; placing the culture box with the planted cutting seedlings in a box body, injecting water into the box body, arranging a first water absorbing piece on the side wall of the box body, wherein the lower end of the first water absorbing piece extends to the bottom wall of the box body, and the upper end of the first water absorbing piece extends to the upper part of the box body; a top cover is arranged on the box body with the culture box and is used for condensing evaporated moisture into water drops and dripping the water drops into the culture box to convey the moisture of the cutting seedlings; and placing the box body provided with the top cover at a preset position. Compared with the prior art, the cuttage seedling cultivation method provided by the invention has the advantages that after the first water absorbing piece absorbs and evaporates water in the box body, water vapor is condensed into water drops on the top cover and falls into the cultivation box with the cuttage seedlings, so that the air humidity in the box body is ensured, and the watering cost is saved.

Description

Cultivation method for cutting seedling

Technical Field

The invention belongs to the technical field of cutting seedling raising, and particularly relates to a cultivation method of cutting seedling raising.

Background

Cutting seedling raising is one of plant propagation modes, and the method is mainly adopted for plants which are not easy to produce seeds, a section of cutting seedling nutritive organ is cut out and inserted into loose and wet soil or fine sand, and the regeneration capacity of the cutting seedling nutritive organ is utilized to enable the cutting seedling to take roots and shoot to become a new cutting seedling, so that the obtained cutting seedling can keep the excellent characteristics of the variety, and the material source is wide and the propagation period is short. The cutting seedling raising belongs to asexual reproduction, and the selection of different vegetative organs of the plant includes branch cutting, root cutting, bud cutting and leaf cutting.

At present, in the market, cuttage seedling raising is realized by putting the intercepted cuttage seedling into a thermostat, and water is supplemented to the cuttage seedling through a spray head in the thermostat, but the use cost of the spray head is higher, and the water irrigated cannot be recycled, so that a large amount of water resources are wasted, and the use cost is further improved.

Disclosure of Invention

The embodiment of the invention provides a cultivation method for cutting seedling, which can solve the problem of overhigh watering use cost of cutting seedlings.

In order to achieve the purpose, the invention adopts the technical scheme that: the cultivation method for raising seedlings by cutting is provided, and comprises the following steps: placing a culture medium in the culture box, and planting cutting seedlings in the culture medium; placing a culture box with cutting seedlings in a box body, and injecting water into the box body, wherein the water surface of the water injection is positioned below the culture box, a first water absorbing piece is arranged on the side wall of the box body, the lower end of the first water absorbing piece extends to the bottom wall of the box body, and the upper end of the first water absorbing piece extends to the upper part of the box body and is used for absorbing water in the box body to the upper part of the box body; a top cover is arranged on the box body with the culture box and is used for condensing evaporated moisture into water drops and dripping the water drops into the culture box to convey the moisture of the cutting seedlings; and placing the box body provided with the top cover at a preset position.

As another embodiment of the application, the preset position is located in the greenhouse, the daytime temperature in the greenhouse is 25-30 ℃, and the nighttime temperature in the greenhouse is 16-21 ℃.

As another example of the present application, the source of the cutting shoots includes apple rootstock.

As another embodiment of the present application, the culture medium includes a first medium, a second medium, crude river sand, and vermiculite; the first substrate is formed by mixing perlite and hard red jade soil according to the volume ratio of 0.8-1.2: 1, and 0.5-1 wt% of sucrose solution and 1-1.5 mg/L of indolebutyric acid aqueous solution are thoroughly leached, and the volume ratio of the sucrose solution to the indolebutyric acid aqueous solution is 1-1.5: 5000-10000; the second substrate is formed by mixing decomposed cow dung and turfy soil according to the volume ratio of 0.8-1.2: 1, and the second substrate is thoroughly drenched with 0.2-0.5 g/L of amino acid plant nutrient solution; the volume ratio of the first substrate to the second substrate to the coarse river sand to the vermiculite is 2: 1.8-2.2: 0.8-1.2.

The particle size of the perlite can be selected to be 2-4 mm, the particle size of the hard red jade soil can be selected to be 3-6 mm, and the particle size of the vermiculite can be selected to be 2-4 mm. The matrix can be prepared by the following steps: mixing perlite and hard red jade soil according to a volume ratio of 0.8-1.2: 1, mixing, and thoroughly leaching by using 0.5-1 wt% of sucrose solution and 1-1.5 mg/L of indolebutyric acid according to a mass ratio of 1-1.5: 5000-10000 to obtain a first matrix; mixing the decomposed cow dung and the turfy soil according to the volume ratio of 0.8-1.2: 1, and thoroughly leaching with 0.2-0.5 g/L amino acid plant nutrient solution after mixing to obtain a second matrix; the first substrate, the second substrate, the coarse river sand and the vermiculite are mixed according to the volume ratio of 2: 1.8-2.2: 0.8-1.2 to form the culture substrate.

As another embodiment of the application, before planting the cutting seedlings in the culture medium, the culture medium is filled into a thin non-woven fabric seedling raising bag, then the thin non-woven fabric seedling raising bag filled with the culture medium is thoroughly drenched by 800-1200 mg/L carbendazim solution, and after 5-7 days, the cutting seedlings are planted in the culture medium.

As another embodiment of the present application, the operation of planting the cutting seedlings in the culture medium comprises: selecting young shoots of plants, collecting cutting seedlings by a mode of cutting one shoot and one leaf, two shoots and two leaves and a small part of two shoots and one leaf in sections, spraying 800-1200 mg/L carbendazim solution to the plants before 10 days of collecting the cutting seedlings, carrying out shading treatment by using a shading net with the light transmittance of 60-80%, watering the plants 3 days before collecting the cutting seedlings, quickly dipping stem sections of the cut cutting seedlings 1.5-2.5 cm away from a base part in 800-1200 mg/L indolebutyric acid solution for 50-70 s, taking out the base part solution, airing, implanting the treated cutting seedlings into a culture medium in a thin non-woven fabric seedling raising bag, tightly attaching the base part of the lower leaves to the culture medium when two shoots and two leaves are adopted, and spraying 800-1200 mg/L carbendazim solution to the drenched culture medium.

As another embodiment of the present application, the first absorbent member is absorbent cotton.

As another embodiment of the application, the bottom wall of the top cover is provided with a second water absorbing piece, and the first water absorbing piece is connected with the second water absorbing piece.

As another embodiment of the application, the top cover is provided with air holes, and the air holes are provided with air permeable covers; the cross-sectional area of the inner cavity of the ventilation cover is gradually increased from top to bottom, and the ventilation cover is used for condensing water vapor into water drops on the inner side wall of the ventilation cover and dripping the water drops into the culture box.

As another embodiment of the application, the bottom wall of the top cover is provided with a first condensing part, the side wall of the first condensing part is provided with a second condensing part, and the cross sectional areas of the first condensing part and the second condensing part are gradually reduced from top to bottom for increasing the contact area of water vapor and the top cover and converging condensed water drops to drop into the culture box.

The cultivation method for raising seedlings by cutting provided by the invention has the beneficial effects that: compared with the prior art, the cuttage seedling cultivation method provided by the invention has the advantages that after the first water absorbing piece absorbs and evaporates water in the box body, water vapor is condensed into water drops on the top cover and falls into the cultivation box with the cuttage seedlings, so that the air humidity in the box body is ensured, and the watering cost is saved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a flowchart of a cultivation method for raising seedlings by cutting according to an embodiment of the present invention;

fig. 2 is a schematic structural view, partially in section, in front view, of a device used in a cultivation method for raising seedlings by cutting according to an embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of the culture cassette of FIG. 2 with the front view removed;

fig. 4 is a schematic structural diagram of one angle of a device used in a cultivation method for raising seedlings by cutting according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of another angle of the device used in the cultivation method for raising seedlings by cutting according to the embodiment of the present invention;

fig. 6 is a schematic structural view of the first condensing part and the second condensing part in fig. 2.

Wherein, in the figures, the respective reference numerals:

100. a top cover; 110. an air inlet; 120. a first condensing member; 121. a second condensing member; 130. a limiting part; 140. a ventilation cover; 141. air holes are formed; 200. a box body; 210. a water outlet hole; 220. a first water absorbing member; 221. a second water absorbing member; 230. a limiting notch; 240. sliding the convex strip; 250. an accommodating chamber; 260. a water storage tank; 300. a culture box; 310. a hand-held hole; 320. a water passing net; 330. and (6) positioning a groove.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and are therefore not to be considered limiting.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a number" means two or more unless specifically limited otherwise.

Referring to fig. 1 to fig. 6, a cultivation method of raising seedlings by cutting according to the present invention will now be described. A cultivation method for cutting seedling comprises the following steps: placing a culture medium in the culture box 300, and planting cutting seedlings in the culture medium; placing the culture box 300 with the planted cutting seedlings in the box body 200, and injecting water into the box body 200, wherein the water surface of the water injection is positioned below the culture box 300, a first water absorbing piece 220 is arranged on the side wall of the box body 200, the lower end of the first water absorbing piece 220 extends to the bottom wall of the box body 200, and the upper end of the first water absorbing piece 220 extends to the upper part of the box body 200, and is used for absorbing the water in the box body 200 to the upper part of the box body 200; installing a top cover 100 on the box body 200 with the culture box 300, wherein the top cover 100 is used for condensing evaporated moisture into water beads and dripping the water beads into the culture box 300 so as to carry out moisture transmission on the cutting seedlings; the case 200 with the top cover 100 mounted thereon is placed at a predetermined position.

Optionally, the box body 200 is provided with an accommodating cavity 250 with an upward opening, and a water storage tank 260 is arranged on the bottom wall of the accommodating cavity 250; the culture box 300 is disposed in the receiving chamber 250, and the water in the case 200 is located in the reservoir 260.

Optionally, handles are arranged on two opposite outer side walls of the box body 200, so that a worker can conveniently move the box body 200.

Compared with the prior art, the whole process of the cultivation method of cutting seedlings provided by the embodiment of the invention needs to be carried out in a greenhouse, the box body 200, the top cover 100 and the cultivation box 300 are all made of transparent materials, the outside is provided with an illuminating lamp for promoting the photosynthesis of the cutting seedlings, a proper amount of water is added into the water storage tank 260, the cultivation box 300 with the planted cutting seedlings is placed into the accommodating cavity 250 in the box body 200, after the top cover 100 is covered, the top end of the first water absorbing piece 220 is abutted to the inner top wall of the top cover 100, the part of the first water absorbing piece 220 higher than the part of the cultivation box 300 is exposed, the first water absorbing piece 220 absorbs the water in the water storage tank 260, the water of the exposed part of the first water absorbing piece 220 is evaporated under the action of the temperature of the external greenhouse, the evaporated water vapor is condensed into water drops on the inner top wall of the top cover 100, and then dropped into the culture box 300, thereby realizing the transportation of the water required by the cutting seedlings. And a large amount of little drop of water that condenses flows in the inside air of box 200 in addition, form the camouflage fog, the humidity of the inside air of box 200 has been increased, open top cap 100 after the water in the aqua storage tank 260 uses up, will cultivate the box 300 and take out, add water in the aqua storage tank 260, will hold the box again and put into and hold the chamber 250 in, cover top cap 100, guarantee the moisture transport of cuttage seedling, make the normal growth of cuttage seedling, saved for keeping the high humidity in the box 200, and constantly carry out the cost of camouflage fog effect.

Further, referring to fig. 5, as a specific embodiment of the cultivation method for cutting seedlings provided by the present invention, the preset position is located in a greenhouse, the daytime temperature in the greenhouse is 25 to 30 ℃, and the nighttime temperature in the greenhouse is 16 to 21 ℃.

Specifically, when the apple stocks are planted in the greenhouse, the temperature in the greenhouse provides a proper growing environment for the apple stocks, the daytime temperature in the greenhouse is 25-30 ℃, the nighttime temperature in the greenhouse is 16-21 ℃, the day and night temperature difference is increased for the apple stocks, and the growth of the apple stocks is facilitated.

Further, referring to fig. 5, as an embodiment of the cultivation method for raising seedlings by cutting provided by the present invention, the source of the cutting seedling includes apple rootstock.

Specifically, the apple rootstock can be M9T337, SH, M26, B9, M9 and the like, and has a wide application range, so that the first water absorbing member 220 absorbs water in the water storage tank 260, the moisture of the exposed part of the first water absorbing member 220 starts to evaporate under the action of the external greenhouse temperature, and the evaporated water vapor condenses into water drops on the inner top wall of the top cover 100 and then drops into the culture box 300 to transport the water of the apple rootstock.

The top end of the culture box 300 protrudes upwards from the box body 200, the side wall of the protruding part of the culture box 300 is provided with a hand-held hole 310, the upper end surface of the box body 200 is lower than the hand-held hole 310 of the culture box 300 to avoid the hand-held hole 310, so that a worker can conveniently take the culture box 300 out of the accommodating cavity 250 through the hand-held hole 310, when the culture box 300 needs to be placed in the accommodating cavity 250, the worker can lift the culture box 300 through the hand-held hole 310 on the culture box 300 by two hands, and the positioning groove 330 on the culture box 300 is aligned with the sliding convex strip 240 to place the culture box 300 in the accommodating cavity 250; when the culture box 300 needs to be taken out of the accommodating cavity 250, the worker takes the culture box 300 out of the accommodating cavity 250 through the carrying holes 310 by both hands, and the carrying holes 310 are provided to facilitate the taking of the culture box 300.

The outer side wall of the culture box 300 in the accommodating cavity 250 of the culture box 300 is tightly attached to the side wall of the accommodating cavity 250, and the part of the culture box 300 is higher than the upper end surface of the box body 200, when the top cover 100 is covered, the part of the culture box 300 higher than the upper end surface of the box body 200 limits the horizontal displacement of the top cover 100, so that the top cover 100 is stably in a closed state with the box body 200.

Optionally, the lower end surfaces of the two side walls of the top cover 100 away from the first water absorbing member 220 are provided with downward-protruding arc-shaped limiting portions 130, and the side walls of the box body 200 are provided with limiting notches 230 matched with the limiting portions 130. When the top cover 100 is closed, the limiting portion 130 of the top cover 100 enters the limiting notch 230 of the box body 200, and further limits the top cover 100, so as to limit the horizontal displacement of the top cover 100.

Optionally, when the culture box 300 is in the accommodating cavity 250, the height of the upper end surface of the box body 200 and the height of the upper end surface of the culture box 300 can be in the same horizontal plane, and the limiting notch 230 on the box body 200 is free from the carrying hole 310, so that a worker can conveniently put the culture box 300 into the accommodating cavity 250 or take the culture box 300 out of the accommodating cavity 250. When the top cover 100 is covered on the case 200, the position-limiting part 130 of the top cover 100 enters the position-limiting notch 230 of the case 200, and the top cover 100 is closed with the case 200, and the position-limiting notch 230 and the side wall of the culture box 300 limit the horizontal displacement of the top cover 100, so that the top cover 100 is stably covered on the case 200.

When the culture box 300 is in the accommodating cavity 250, the height of the upper end surface of the box body 200 and the height of the upper end surface of the culture box 300 can be in the same horizontal plane, so that the first water absorbing piece 220 can be protected to the greatest extent, and the first water absorbing piece 220 can be prevented from being damaged.

Further, as a specific embodiment of the cultivation method for raising seedlings by cutting provided by the invention, the components of the culture medium comprise a first medium, a second medium, coarse river sand and vermiculite; the first substrate is formed by mixing perlite and hard red jade soil according to the volume ratio of 0.8-1.2: 1, and 0.5-1 wt% of sucrose solution and 1-1.5 mg/L of indolebutyric acid aqueous solution are thoroughly leached, and the volume ratio of the sucrose solution to the indolebutyric acid aqueous solution is 1-1.5: 5000-10000; the second substrate is formed by mixing decomposed cow dung and turfy soil according to the volume ratio of 0.8-1.2: 1, and the second substrate is thoroughly drenched with 0.2-0.5 g/L of amino acid plant nutrient solution; the volume ratio of the first substrate to the second substrate to the coarse river sand to the vermiculite is 2: 1.8-2.2: 0.8-1.2.

Specifically, planting the cutting seedlings with the culture medium in the culture box 300 includes: preparing a culture medium; wherein the preparing the culture substrate comprises: mixing perlite and hard red jade soil according to a volume ratio of 0.8-1.2: 1, mixing, and thoroughly leaching by using 0.5-1 wt% of sucrose solution and 1-1.5 mg/L of indolebutyric acid according to a mass ratio of 1-1.5: 5000-10000 to obtain a first matrix; mixing the decomposed cow dung and the turfy soil according to the volume ratio of 0.8-1.2: 1, and adding 0.2-0.5 g/L of amino acid plant nutrient solution after mixing to obtain a second substrate; the first substrate, the second substrate, the coarse river sand and the vermiculite are mixed according to the volume ratio of 1.8-2.2: 0.8-1.2 to form the culture substrate.

The particle size of the perlite is 2-4 mm, the particle size of the hard red jade soil is 3-6 mm, a breathable and sterile environment can be provided for the cutting seedling, the hard red jade soil also has a water retention property, after the perlite and the hard red jade soil are mixed, 0.5-1 wt% of sucrose solution and 1-1.5 mg/L of indolebutyric acid are mixed and thoroughly drenched according to the mass ratio of 1-1.5: 5000-10000, the red jade soil fully absorbs the sucrose solution and the indolebutyric acid, a certain concentration is kept, the loss is not easy, a required sugar content and hormone level can be stably provided for the rooting of the cutting seedling, and the rooting of the cutting seedling is facilitated.

After the decomposed cow dung and the turfy soil are mixed, 0.2-0.5 g/L of amino acid plant nutrient solution is added, so that the effect of stimulating rooting is achieved, and the decomposed cow dung, the turfy soil and the 0.2-0.5 g/L of amino acid plant nutrient solution provide nutrition for the growth of the root system of the cutting seedling, so that the robust growth of the root system of the cutting seedling is facilitated.

The particle size of the vermiculite is 2-4 mm, and the first substrate, the second substrate, the coarse river sand and the vermiculite are mixed according to the volume ratio of 2: 1.8-2.2: 0.8-1.2 to form a culture substrate, so that the required nutrition is provided for the growth of the cutting seedlings, and a proper environment is provided for the root growth of the cutting seedlings.

Further, as a specific implementation manner of the cultivation method for raising seedlings by cutting provided by the invention, before planting the cutting seedlings in the culture medium, the culture medium is filled in a thin non-woven fabric seedling raising bag, then the thin non-woven fabric seedling raising bag filled with the culture medium is thoroughly drenched with 800-1200 mg/L carbendazim solution, and after 5-7 days, the cutting seedlings are planted in the culture medium.

Specifically, the thin non-woven fabric seedling raising bag filled with the culture medium is sterilized by 800-1200 mg/L carbendazim solution, cutting seedlings are planted in the culture medium after 5-7 days, various crop diseases caused by fungi caused by the fact that the cutting seedlings are planted in the later period are avoided, the width of the thin non-woven fabric seedling raising bag is 5-6 cm, the height of the thin non-woven fabric seedling raising bag is 7-8 cm, and sufficient growth space is provided for growth of the cutting seedlings.

The single cuttage seedling is put into the thin non-woven fabrics seedling raising bag that is equipped with culture medium, is favorable to the later stage to the observation of root system, and the root system can pierce through thin non-woven fabrics seedling raising bag, and the later stage can be transplanted together with cuttage seedling and the thin non-woven fabrics seedling raising bag that is equipped with culture medium, has both protected the root system not to be hurt, has also improved and has transplanted the survival rate.

Further, referring to fig. 5, as a specific implementation of the cultivation method for raising seedlings by cutting provided by the present invention, the operation of planting the cutting seedlings in the culture medium includes: selecting young shoots of plants, collecting cutting seedlings by a mode of cutting one shoot and one leaf, two shoots and two leaves and a small part of two shoots and one leaf in sections, spraying 800-1200 mg/L carbendazim solution to the plants before 10 days of collecting the cutting seedlings, carrying out shading treatment by using a shading net with the light transmittance of 60-80%, watering the plants 3 days before collecting the cutting seedlings, quickly dipping stem sections of the cut cutting seedlings 1.5-2.5 cm away from a base part in 800-1200 mg/L indolebutyric acid solution for 50-70 s, taking out the base part solution, airing, implanting the treated cutting seedlings into a culture medium in a thin non-woven fabric seedling raising bag, tightly attaching the base part of the lower leaves to the culture medium when two shoots and two leaves are adopted, and spraying 800-1200 mg/L carbendazim solution to the drenched culture medium.

Specifically, be equipped with the inlet port 110 on the lateral wall that the top cap 100 kept away from first water-absorbing piece 220, put into when cultivateing box 300 and hold the chamber 250, and when covering top cap 100, realize the inside air exchange with the external world of box 200 through inlet port 110, the outside air gets into from inlet port 110, make the cuttage seedling can absorb sufficient oxygen, inside air gets into the external world from ventilative cover 140 at top of top cap 100, avoid the cuttage seedling because of lacking oxygen, and cause the energy supply not enough, lead to the cuttage seedling to turn yellow, the circumstances of mashed root. A plurality of box bodies 200 are arranged on a shelf in parallel, so that management of cutting seedlings is facilitated, air inlets 110 guarantee circulation of air of the cutting seedlings, the transparent box bodies 200, the top cover 100 and the culture box 300 guarantee illumination of the cutting seedlings, the cutting seedlings normally carry out photosynthesis, and proper temperature in a greenhouse is added, so that normal growth of the cutting seedlings is guaranteed.

Optionally, the air inlets 110 are disposed on two opposite side walls of the top cover 100 away from the first water absorbing member 220, and the air inlets 110 on two opposite side walls of the top cover 100 away from the first water absorbing member 220 are staggered, so as to prevent air from entering from the air inlets 110 on one side wall of the top cover 100 and then directly flowing out from the air inlets 110 on the other side wall.

The whole process is that a new shoot tender branch which is robust in growth, full in bud eyes, fully mature and normal in color is selected, cutting seedlings are obtained in a mode of picking from the base part of the new shoot tender branch at the initial stage when lignification of the new branch is not carried out, and during cutting, blades on the lower part of the new shoot tender branch are removed to reduce water evaporation. Or the cutting is carried out in a mode of cutting one bud and one leaf, two buds and two leaves and a small part of two buds and one leaf in the middle ten days of 6 months, for example, the two buds and two leaves mean that each cutting seedling is provided with two bud eyes, the base leaves of the young shoots are cut off, the cut is smooth, the upper cut is 0.5-2 cm above the bud body, the lower cut is close to the node, and the back of the buds are in a single-sided horseshoe shape so as to facilitate rooting. Spraying 800-1200 mg/L carbendazim solution before 10 days of collecting cutting seedlings, performing shading and weak light treatment by using a shading net with the light transmittance of 60-80%, facilitating rooting of the cutting seedlings, performing watering treatment before 3 days of collecting the cutting seedlings, quickly dipping stem segments of the cut cutting seedlings, which are 1.5-2.5 cm away from a base, in 800-1200 mg/L indolebutyric acid solution for 50-70 s, taking out and airing the solution at the base of the cutting seedlings, promoting the growth of main roots of the cutting seedlings, improving the germination rate and survival rate, and avoiding the phenomenon that the rooting of the cutting seedlings is inhibited due to overlong soaking time. And then, placing the treated cutting seedlings in a thin non-woven fabric seedling raising bag filled with a culture medium, tightly attaching the base parts of the lower leaves to the culture medium when two leaves of two buds are adopted, keeping the leaves in a wet state all the time, enabling the upper leaves to grow naturally, spraying 800-1200 mg/L carbendazim solution to thoroughly drench the culture medium, keeping the culture medium loose and breathable, and avoiding withering and rotting of the cutting seedlings.

After the water is added into the water storage 260, the top cover 100 is covered, the water level of the water storage 260 is lower than the lower end surface of the culture box 300, the first water absorbing member 220 absorbs the water in the water storage 260, further, the moisture of the exposed part of the first water absorbing member 220 starts to evaporate under the action of the temperature of the external greenhouse, the evaporated water vapor is condensed into water drops on the inner top wall of the top cover 100, and further dropped into the cultivation box 300, and a large amount of condensed water droplets flow in the air inside the case 200, forming a mist, increasing the humidity of the air inside the case 200, therefore, the humidity inside the box body 200 can reach 75% -85%, when the cuttage seedlings have no roots, the blades absorb water, the dense fog effect provides sufficient water for the blades, the blades are always in a wet state, the light intensity is gradually increased after the low-light cultivation for 15 days, the leaves are basically close to natural light rays after 20 days, and 80% of 1000mg/L is sprayed every 10 days to sterilize culture substrates and the cuttage seedlings. After the cutting seedling roots after 30 days, the root system of the cutting seedling absorbs the water falling into the culture medium in the culture medium, and the humidity in the box body 200 is controlled to be reduced. And after 40 days, the top cover 100 can be taken down, the seedlings are trained, and the cuttage seedlings are transplanted after 5-7 days of seedling training.

Further, referring to fig. 5, as a specific embodiment of the cultivation method for raising seedlings by cutting provided by the present invention, the first water absorbing element 220 is water absorbent cotton.

Specifically, a plurality of chambeies 250 that hold are distributed in the box 200, each holds in the chamber 250 one-to-one and sets up and cultivates box 300, install first water absorption piece 220 between every two adjacent cultivateing boxes 300, a plurality of holds the adjacent interval setting in chamber 250 in box 200, a plurality of cultivates box 300 one-to-one and puts into and holds in the chamber 250, first water absorption piece 220 all has the setting at each cultivation box 300 both sides wall, a plurality of cultivates box 300 and can cultivate the cuttage seedling of different cultivars respectively, easy management, when needs are maintained, can take out the cultivation box 300 that the cuttage seedling that needs to be repaired located, avoid taking out all cuttage seedlings, staff's use has been made things convenient for.

Optionally, positioning grooves 330 are formed between the side walls of every two adjacent culture boxes 300 and between the side wall of the culture box 300 located at the edge and the side wall of the box body 200, sliding protruding strips 240 in sliding fit with the positioning grooves 330 are arranged on the side wall of the accommodating cavity 250, the first water absorbing member 220 penetrates through the sliding protruding strips 240, when the culture boxes 300 are placed in the accommodating cavity 250 of the box body 200, the positioning grooves 330 on the culture boxes 300 are aligned with the sliding protruding strips 240 on the box body 200, the culture boxes 300 are directly made to enter the accommodating cavity 250 of the box body 200 along the sliding protruding strips 240, the sliding protruding strips 240 and the positioning grooves 330 not only have a guiding effect on the culture boxes 300, but also limit the displacement of the culture boxes 300 in the accommodating cavity 250 due to the fit of the sliding protruding strips 240 and the positioning grooves 330.

Wherein, the first water absorbing member 220 penetrates the sliding convex strip 240, and extends from the upper end of the sliding convex strip 240 to abut against the inner top wall of the top cover 100, so that the first water absorbing member 220 is protected to the maximum extent. When the first absorbent member 220 needs to be replaced, the first absorbent member 220 can be directly extracted from the sidewall of the accommodating cavity 250 and then a new first absorbent member 220 can be placed therein.

Further, referring to fig. 2 to 5, as a specific embodiment of the cultivation method for cutting seedlings provided by the present invention, a second water absorbing member 221 is disposed on the bottom wall of the top cover 100, and the first water absorbing member 220 is connected to the second water absorbing member 221.

Specifically, the extending direction of the side wall of the top cover 100 far away from the first water absorbing part 220 is the length direction of the top cover 100, the direction perpendicular to the length direction of the top cover 100 is the width direction of the top cover 100, the top end of the first water absorbing part 220 is provided with a strip-shaped second water absorbing part 221 extending along the width direction of the top cover 100, the water absorbed by the first water absorbing part 220 from the water storage tank 260 is transferred to the second water absorbing part 221 on the inner top wall of the top cover 100, the area covered by the water vapor is enlarged by the arrangement of the second water absorbing part 221, it is ensured that each first condensing part 120 is covered and condensed by the water vapor, and the cutting seedlings are fully absorbed by the water.

Optionally, cultivate the water net 320 that the bottom of box 300 is network structure, after the evaporation of water in the aqua storage tank 260, directly provide moisture for the cuttage seedling in the bottom through the water net 320 that crosses of cultivating the bottom of box 300, after the aqua storage tank 260 is condensed into the drop along the evaporation of the moisture that first water absorption piece 220 carried to cultivate the box 300 top, the drop directly falls to cultivateing the box 300 from the top, has generally realized applying water to the cuttage seedling from the top and below simultaneously, makes the abundant absorption moisture of cuttage seedling ability.

Wherein, moisture on the upper end of the first water absorbing part 220 is condensed into water drops through evaporation in a large amount, and then enters the culture box 300, the cuttage seedlings absorb partial moisture, and the redundant moisture can permeate the bottom of the culture box 300 and flow back to the water storage tank 260 through the water passing net 320, so that the phenomenon of poor development after the cuttage seedlings absorb excessive moisture is avoided, meanwhile, the moisture is recycled, and the waste of water resources is avoided.

Optionally, a plurality of absorbent slivers are arranged in the culture box 300, the absorbent slivers extend into the water storage tank 260 through the water passing net 320, and water in the water storage tank 260 enters the culture box 300 along the absorbent slivers, so that the cuttage seedlings in the culture tank obtain sufficient water.

Optionally, a water outlet hole 210 is provided on a side wall of the case 200 away from the first water absorbing member 220, the water outlet hole 210 is located below the bottom surface of the culture box 300, and the distance between the water outlet hole 210 and the water passing net 320 is more than or equal to 1cm, so that the water passing net 320 is prevented from being immersed by the water surface, before the culture cassette 300 is placed in the accommodating chamber 250, water is added to the water storage 260, when the water level reaches the position of the water outlet hole 210, the water automatically flows out, at the moment, the water adding is stopped, when the water level drops to the position below the water outlet hole 210, put into holding chamber 250 with cultivateing box 300, cultivate the top that the bottom of box 300 is in the water level in aqua storage 260, avoid the too high cuttage root of flooding of water level, make the cuttage seedling absorb the too much root that leads to the plant root to macerate the root, the phenomenon of stem tip appears in the blade of cuttage seedling, the invasion and attack of bacterium and pest can also appear at last to cause the bad phenomenon of cuttage seedling development.

It should be noted that, the plurality of water outlets 210 are provided, when the water in the water storage tank 260 is used up in the using process, one of the water outlets 210 can be directly connected with the pipeline to add water into the water storage tank 260, and when the rest of the water outlets 210 are drained, the water addition is stopped, so that the situation that the water is added into the water storage tank 260 after the culture box 300 is taken out by opening the top cover 100 can be avoided.

Further, referring to fig. 4 and 5, as a specific embodiment of the cultivation method for cutting seedlings provided by the present invention, a ventilation hole 141 is formed on the top cover 100, and a ventilation cover 140 is installed at the ventilation hole 141; the cross-sectional area of the inner cavity of the ventilation cover 140 gradually increases from top to bottom, and is used for condensing water vapor into water drops on the inner side wall of the ventilation cover 140 and dropping into the culture box 300.

Specifically, the ventilation holes 141 and the ventilation cover 140 ensure the ventilation in the culture box 300, when the air circulates inside and outside, the moisture absorbed by the first water absorbing member 220 will partially flow to the ventilation holes 141 after evaporating into water vapor, because the cross-sectional area of the inner cavity of the ventilation cover 140 gradually increases from top to bottom, the inner side wall of the ventilation cover 140 inclines obliquely downwards, the water vapor flowing to the ventilation holes 141 will condense into small water drops on the side wall of the ventilation holes 141, so that the small water drops slide down into the culture box 300 along the side wall of the ventilation holes 141, the loss of moisture from the ventilation holes 141 is avoided, the humidity of the air inside the box body 200 is increased, and the moisture is kept stable.

Further, referring to fig. 4 and fig. 6, as an embodiment of the cultivation method for cutting seedlings provided by the present invention, a first condensing element 120 is disposed on the bottom wall of the top cover 100, a second condensing element 121 is disposed on the side wall of the first condensing element 120, and the cross-sectional areas of the first condensing element 120 and the second condensing element 121 are gradually reduced from top to bottom to increase the contact area between the water vapor and the top cover 100, and the condensed water droplets are collected and dropped into the cultivation box 300.

Specifically, the first condensing member 120 is polyhedral and the cross-sectional area of the first condensing member 120 is gradually reduced from top to bottom, the first condensing member 120 is positioned right above the culture box 300, the first water absorbing member 220 absorbs the water in the water storage tank 260 to the exposed part above the first water absorbing member 220, under the action of the greenhouse temperature, the moisture evaporates on the first water absorbing member 220 and condenses to water drops on the side wall of the first condensing member 120, the water drops flow down along the side wall of the first condensing member 120 under the action of gravity, and as the cross-sectional area of the first condensing member 120 gradually decreases from top to bottom, a tip is formed at the lowermost end of the first condensation member 120, and when the water drops flow to the lower end of the first condensation member 120, the water drops on each side wall of the first condensation member 120 are collected at the tip end to form a water drop with a large area, and the water drop drops into the culture box 300 to convey the water to the cutting seedlings.

The arrangement of the first condensation member 120 is convenient for guiding the water drops condensed on the inner top wall of the top cover 100 and the side wall of the first condensation member 120, so that the condensed water drops are prevented from being retained on the inner top wall of the top cover 100, and the condensed water drops are ensured to be completely dropped into the culture box 300.

Further, first condensing part 120 is equipped with a plurality of on the interior roof of top cap 100, and even distribution is in the top of cultivateing box 300, and the drop of water after the condensation drips everywhere of cultivateing box 300, makes each part of the cuttage seedling in the cultivation box 300 fully absorb moisture, guarantees the normal supply of cuttage seedling moisture.

Wherein, the second condensing part 121 is also polyhedral, and the cross-sectional area of the second condensing part 121 is gradually reduced from top to bottom, the second condensing part 121 is added on the first condensing part 120, the contact area with the water vapor is increased on the original basis, the condensation of the water vapor on the first condensing part 120 and the second condensing part 121 is further ensured, and the water vapor flows into the culture box 300, thereby avoiding that a large amount of water vapor condenses at other places and flows outside the culture box 300.

The water absorbed by the first water absorbing part 220 is evaporated and condensed on the inner top wall of the top cover 100 and the water drops condensed on the side wall of the first condensing part 120, flows down through the side wall of the first condensing part 120, one part of the water drops is converged and flows down with the water drops on the side wall of the second condensing part 121 when passing through the second condensing part 121, the other part of the water drops continuously flows down along the side wall of the first condensing part 120, and part of the water drops continuously flows down along the first condensing part 120, when the next second condensing part 121 is encountered midway, the water drops continuously flow separately, so that the covering area of the water drops finally falling into the culture box 300 is wider, the uniform dispersion of the water in the culture box 300 is ensured, and the air humidity inside the box body 200 is stably maintained between 75% and 85%.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cultivation method for cutting seedling is characterized by comprising the following steps:

placing a culture medium in a culture box, and planting cutting seedlings in the culture medium;

placing the culture box planted with the cutting seedlings in a box body, and injecting water into the box body, wherein the water surface of the injected water is positioned below the culture box, a first water absorbing piece is arranged on the side wall of the box body, the lower end of the first water absorbing piece extends to the bottom wall of the box body, and the upper end of the first water absorbing piece extends to the upper part of the box body and is used for absorbing the water in the box body to the upper part of the box body;

installing a top cover on the box body with the culture box, wherein the top cover is used for condensing evaporated moisture into water drops and dripping the water drops into the culture box so as to convey the water of the cutting seedlings;

and arranging the box body provided with the top cover at a preset position.

2. The cultivation method of cutting seedlings according to claim 1, wherein the preset position is located in a greenhouse, the temperature in the greenhouse is 25-30 ℃ in the daytime, and the temperature in the greenhouse is 16-21 ℃ at night.

3. The cultivation method of cutting seedlings according to claim 1, wherein the source of the cutting seedlings comprises apple rootstock.

4. The cultivation method of cutting seedling as claimed in claim 1, wherein the components of the culture medium include a first medium, a second medium, coarse river sand and vermiculite; the first substrate is formed by mixing perlite and hard red jade soil according to the volume ratio of 0.8-1.2: 1, and 0.5-1 wt% of sucrose solution and 1-1.5 mg/L of indolebutyric acid aqueous solution are thoroughly drenched, and the volume ratio of the sucrose solution to the indolebutyric acid aqueous solution is 1-1.5: 5000-10000; the second substrate is formed by mixing decomposed cow dung and turfy soil according to the volume ratio of 0.8-1.2: 1, and the second substrate is thoroughly drenched with 0.2-0.5 g/L of amino acid plant nutrient solution; the volume ratio of the first substrate to the second substrate to the coarse river sand to the vermiculite is 2: 1.8-2.2: 0.8-1.2.

5. The cultivation method of cutting seedlings according to claim 4, wherein before the cutting seedlings are planted in the culture medium, the culture medium is placed in a thin non-woven fabric seedling bag, then the thin non-woven fabric seedling bag containing the culture medium is drenched with 800-1200 mg/L carbendazim solution, and after 5-7 days, the cutting seedlings are planted in the culture medium.

6. The cultivation method of cutting seedlings according to claim 5, wherein the operation of planting the cutting seedlings in the culture medium comprises:

selecting a young shoot of a plant, collecting the cutting seedling by adopting a mode of cutting one bud and one leaf, two buds and two leaves and a small part of two buds and one leaf in sections, spraying 800-1200 mg/L carbendazim solution to the plant before 10 days of collecting the cutting seedling, and carrying out shading treatment by using a shading net with the light transmittance of 60-80%, watering the plants 3 days before the cutting seedlings are collected, quickly dipping the cut stem sections of the cutting seedlings, which are 1.5-2.5 cm away from the base, in 800-1200 mg/L indolebutyric acid solution for 50-70 s, taking out and airing the base solution, then implanting the treated cutting seedlings into the culture medium in the thin non-woven fabric seedling raising bag, when two buds and two leaves are adopted, the base parts of the lower leaves are tightly attached to the culture medium, and 800-1200 mg/L carbendazim solution is sprayed until the culture medium is thoroughly drenched.

7. The cultivation method of cutting seedlings according to claim 1, wherein the first water absorbing member is absorbent cotton.

8. The cultivation method of cutting seedlings according to claim 1, wherein a second water absorbing member is provided on the bottom wall of the top cover, and the first water absorbing member is connected with the second water absorbing member.

9. The cultivation method of cutting seedlings according to claim 8, wherein the top cover is provided with ventilation holes, and ventilation covers are installed at the ventilation holes; the cross-sectional area of the inner cavity of the ventilation cover is gradually increased from top to bottom, and the ventilation cover is used for condensing water vapor on the inner side wall of the ventilation cover into water drops which drop into the culture box.

10. The cultivation method of cutting seedlings according to claim 9, wherein a first condensation member is provided on the bottom wall of the top cover, a second condensation member is provided on the side wall of the first condensation member, the cross-sectional areas of the first condensation member and the second condensation member decrease gradually from top to bottom, and are used for increasing the contact area of water vapor with the top cover, and condensed water drops are collected and dropped into the cultivation box.

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