CN104717879A - Growth enhancement of plant - Google Patents
Growth enhancement of plant Download PDFInfo
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- CN104717879A CN104717879A CN201380040289.3A CN201380040289A CN104717879A CN 104717879 A CN104717879 A CN 104717879A CN 201380040289 A CN201380040289 A CN 201380040289A CN 104717879 A CN104717879 A CN 104717879A
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Abstract
The present invention concerns a method to increase the growth of a plant by coating a seed of said plant with a composition comprising at least a cationic guar; notably permitting to develop its biomass and reach its maturity. The invention also concerns a seed coating composition used in such a method.
Description
The present invention relates to a kind of method by increasing described plant growth to plant seed dressing with the composition comprising at least one cation guar gum; From being notably permission its living beings of development and reaching its maturation.The invention still further relates to a kind of seed coating composition used in such method.
The concern of economy demand, environment and ecological property are considered to require that peasant constantly improves its agriculture way.These economy demands require that peasant utilizes the most cost-efficient way to produce the highest crop yield, use less to have hypotoxic chemicals due to the consideration of environment simultaneously.Finally, ecological property is considered to have caused Integrated Pest management system, and this Integrated Pest management system challenges the ability of peasant's production crop yield and quality in the general economic restriction in current market further.
Plant, soil and seed treatment are used on often kind of economic crops on almost current market.In the epoch of this intensive agricultural, by seed amendment to obtain higher crop yield and high quality.
As an example, WO patent application WO2004071195 discloses one and is used for increasing crop yield and accelerate crop emerges method, the method comprise the seed that a kind of composition comprising polysaccharide given described crop or plant block (Seed piece) or be administered to cultivate described crop soil in.US Patent No. 5554445 describes a kind of method of seed involucrum, and the method is by using the Microcrystalline chitosan of liquid dispersion form to form a kind of high adhesiveness, permeable, biodegradable and bioactive film on this surface of the seed.The preparation of this seed involucrum forms with seed, involucrum agent and/or dyestuff and/or the even seed pelleting of the mixture of Nutrient medium that optionally combines with this preparation by providing a kind of.But the germinating capacity mentioned in this prior art is obviously inadequate, because but the number of plant germinateed can increase be not significantly improved to growth.
Carry out a kind ofly improving germination rate and crop yield and also having the needs to the method for the growth-promoting functions of obtained plant so exist, notably allow develop and increase its living beings.
Demonstrating now possible is that a kind of permission of setting increases the growth-promoting functions to plant, is notably the seed treatment allowing its living beings of development and reach its maturation; This does not obtain by the seed treatment that relates in prior art.This seed treatment also allows the overall productivity increasing the quantity of pod, the weight of particle and size, the length of root and the plant of production, even under the not enough condition of irrigation.
The present invention is in relating to a kind of method increasing plant growth, and the method comprises at least one step with plant seed described in the composition dressing comprising at least one cation guar gum.The invention still further relates to a kind of method increasing plant growth, the method comprises and gives described plant seed by a kind of composition comprising at least one cation guar gum.
In first embodiment, the invention still further relates to a kind of method increasing plant growth, then the method in a first step by being applied in the seed of this dressing on soil or in soil described plant seed dressing with the composition that comprises at least one cation guar gum in second step; Notably in order to the seed of this dressing is arranged and earth surface.In another embodiment, the invention still further relates to a kind of method increasing plant growth, wherein may be arranged on completely " original position dressing " on soil or in soil; Notably to be planted by plant seed that is unprocessed by or non-dressing in a hole in soil and then a kind of application composition comprising at least one cation guar gum is used and enter into this hole to hold or part holds this seed.Then the present invention also relates to a kind of method increasing plant growth, and the method comprises a kind of composition comprising at least one cation guar gum is implemented into the soil of cultivating described crop.
One object of the present invention be also to provide a kind of easily carry out and use conventional with business can the method easily implemented of application apparatus.
The method of the present invention relating to cation guar gum also allows the illeffects reducing fungicide and weed killer herbicide, and these fungicides and weed killer herbicide affect germination rate and the growth of plant negatively.
According to plant of the present invention can be agricultural and gardening plant, shrub, tree and grass, be sometimes referred to as plant below.
Seed is crop or plant species, includes but not limited to corn (maize (Zeamays)), Brassicas (Brassica sp.) (such as, colea (B.napus), turnip (B.rapa), leaf mustard (B.juncea)), clover (Alfalfa) (clover (Medicagosativa)), rice (Rice In Asian Cultivated Rice (Oryza sativa)), rye (naked barley (Secalecereale)), Chinese sorghum (Schrock (Sorghum bicolor), Chinese sorghum (Sorghumvulgare)), grain (such as, pearl millet (Pearl millet) (pearl pearl millet (Pennisetumglaucum))), broomcorn millet grain (common broomcorn millet maize (Panicum miliaceum)), fox-brush chestnut (Foxtail millet) (Italy adds grain (Setaria italica)), ragimillet (Finger millet) (solemn (Eleusine coracana)), sunflower (heronsbill (Helianthus annuus)), safflower (Safflower) (composite family safflower (Carthamus tinctorius)), wheat (common wheat (Triticum aestivum)), soybean (big shield beans (Glycine max)), tobacco (tobacco (Nicotiana tabacum)), potato (potato (Solanum tuberosum)), peanut (peanut (Arachish ypogaea)), cotton (fiber cotton flower (Gossypium barbadense), upland cotton (Gossypium hirsutum)), sweet potato (sweet potato) (sweet potato (Ipomoeabatatus)), cassava (Cassava) (cassava (Manihot esculenta)), coffee (coffee species (Cofea spp.)), coconut (Cocoa Cortex cocois radicis (Coco snucifera)), pineapple (pineapple (Ananas comosus)), mandarin tree (Citrus (Citrus spp.)), cocoa (cocoa (Theobroma cacao)), tea tree (wild tea tree (Camellia sinensis)), banana (Musa species (Musa spp.)), avocado (U.S.'s avocado (Persea americana)), fig (fig (Ficus casica)), pomegranate (guava (Psidium guajava)), mango (India's mango (Mangifera indica)), olive (olive (Olea europaea)), pawpaw (papaya papaw (Carica papaya)), cashew nut (Cashew) (cashew nut (Anacardiumoccidentale)), macadamia (Macadamia) (macadamia nut (Macadamiaintegrifolia)), almond benevolence (almond (Prunus amygdalus)), beet (sugarbeet) (beet (Beta vulgaris)), sugarcane (saccharum (Saccharum spp.)), oat, barley (Barley), vegetables, ornamental plants, woody plant is as coniferals and fallen leaves class tree, cucurbita plants (Squash), pumpkin, fibre of flax for textile material, zucchini, apple, pears, Quinces Quince, melon, plum, cherry, peach, nectarine, apricot, strawberry, grape, raspberry, blackberry, blueberry, soybean, Chinese sorghum, sugarcane, rape seed, trefoil (Clover), carrot, and Arabic mustard (Arabidopsisthaliana).
In one embodiment, this seed is any vegetables species, including, but not limited to tomato (tomato (Lycopersicon esculentum)), lettuce (such as, leaf lettuce (Lactucasativa)), green soya bean (Kidney bean (Phaseolus vulgaris)), lima bean (lima bean) (lima beans (Phaseolus limensis)), pea (Lathyrus (Lathyrus spp.)), cauliflower (Cauliflower), broccoli (broccoli), radish (turnip), radish (radish), spinach, asparagus, onion, garlic, pepper, celery, and Cucumis member as, cucumber (cultivated cucumber (C.sativus)), muskmelon (cantaloupe (C.cantalupensis)), and muskmelon (Muskmelon) (muskmelon (C.melo)).
In one embodiment, this seed is any ornamental plants species, including, but not limited to hydrangea plant (hydrangea (Macrophylla hydrangea)), Hibiscus plant (Chinese Hibiscu (Hibiscus rosasanensis)), petunia platymiscium (petunia (Petuniahybrida)), rose (rose species (Rosa spp.)), azalea (Rhododendron (Rhododendron spp.)), tulip (Tulipa (Tulipa spp.)), narcissus (Daffodils) (Narcissus (Narcissus spp.)), carnation (carnation (Dianthuscaryophyllus)), poinsettia (Poinsettia) (poinsettia (Euphorbiapulcherrima)), and chrysanthemum (Chrysanthemum).
In one embodiment, this seed is any coniferale plant species, including, but not limited to needle pine tree (Conifers pines) as loblolly pine (Loblolly pine) (torch pine (Pinustaeda)), wet-land pine tree (Slash pine) (wet-land pine tree (Pinus elliotii)), ponderosa pine (ponderosa pine) (ponderosa pine (Pinus ponderosa)), shore pipe (Lodgepolepine) (pinus contorta (Pinus contorta)), and Meng Teli pine tree (Monterey pine) (pine (Pinus radiata)), Pseudotsuga plant (Douglas-fir) (north pass Douglas fir (Pseudotsuga menziesii)), western hemlock (Western hemlock) (Canadian hemlock (Tsuga canadensis)), silver spruce (Sitka spruce) (white spruce (Piceaglauca)), Chinese larch (redwood) (north pass Chinese larch (Sequoia sempervirens)), true fir (True firs) is as silver-colored China fir (Silver fir) (Pacific silver Fir (Abies amabilis)) and balsam fir (balsam fir) (balsam fir (Abies balsamea)), and arborvitae (Cedars) is as US West Korean pine (Western red cedar) (western Korean pine (Thujap licata)) and Alaska yellow Chinese juniper (Alaska yellow-cedar) (Alaska juniper (Chamaecyparisnootkatensis)).
In one embodiment, this seed is any leguminous plant species, including, but not limited to beans and pea class.Beans comprises cluster bean, locust bean (locust bean), fenugreek (fenugreek), soybean, vegetable garden beans, cowpea (cowpea), mung bean (mungbean), lima bean, method watt beans (fava bean), French beans class (lentils), chicken beans (chickpea), pea, moth bean (moth bean), kidney bean (kidney bean), lentil (lentil), dry beans (dry bean) etc.Leguminous plant, including, but not limited to Arachis (Arachis), such as peanut, Vicia (is such as preced with vetch (crown vetch), russian vetch (hairy vetch), red bean (adzukibean), and chicken beans), Lupinus (such as, lupine (lupine), Trifolium (trifolium)), Phaseolus (such as, common kidney bean (common bean) and lima bean), Pisum (such as, broad bean (field bean)), Melilotus sweetclover (such as, trefoil), clover (such as, clover), Lotus (such as, clover (trefoil)), Lens culinaris belongs to (Lens) (such as, Lens culinaris (lentil)), and Baptisia (false indigo).The typical forage used in method described here and sod grass, including, but not limited to clover, orchard grass (orchard grass), Festuca Arundinacea (tall fescue), English ryegrass (perennial ryegrass), creeping bentgrass (creeping bent grass), clover (lucerne), Birdfoot (birdsfoot), clover (trefoil), trefoil, khuskhus belongs to (stylosanthes) species, sieve pauses beans (lotononi sbainessii), sainfoin (sainfoin) and red top (redtop).Other careless species, comprise barley, wheat, oat, rye, orchard grass, Guinea careless (Guinea grass), Chinese sorghum or sod grass plant.
In another embodiment, this seed is selected from following crop or vegetables: (canola), lettuce, perennial ryegrass, grass, rice, cotton, sunflower and similar plants are drawn in corn, wheat, Chinese sorghum, soybean, tomato, cauliflower, radish, cabbage, Kano.
Be understood that term " seed " or " rice shoot " are not limited to species or the seed of concrete or particular type.Term " seed " or " rice shoot " can refer to the seed from single plant species, the mixture from the seed of multiple plant species or carry out the blended seed of the various strains in a comfortable plant species.In one embodiment, crop seed is including, but not limited to rice, corn, wheat, barley, oat, soybean, cotton, sunflower, clover, Chinese sorghum, rape seed, beet, tomato, beans, carrot, tobacco or colored seed.
Composition of the present invention can comprise one or more cation guar gums.Cation guar gum of the present invention can comprise the guar gum by using different possible cationic etherifying agent (such as, quaternary ammonium salt family) to obtain.
When cation guar gum, so this cation group can be the quaternary ammonium group with three groups, these three groups are identical or different, are selected from hydrogen, containing 1 to 22 carbon atom, the more preferably alkyl of 1 to 14 and favourable 1 to 3 carbon atom.Counter ion is generally halogen, and this halogen is chlorine in one embodiment.
Quaternary ammonium salt can be such as: 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride (CHPTMAC), 2,3-epoxypropyltrimethylchloride chlorides (EPTAC) and diallyldimethylammonium chloride (DMDAAC).
The typical Cationic functional groups of one in these cationic guar derivative is trimethylamino (2-hydroxyl) propyl group, with a kind of counter ion.Various counter ion can be utilized, including, but not limited to halogen ion (as chlorion, fluorine ion, bromide ion and iodide ion), sulfate ion, methyl sulfate, with and composition thereof.
Cation guar gum of the present invention can be selected from the group be made up of the following:
-cation hydroxyalkyl guar gum, as cationic hydroxyethyl guar gum (HE guar gum), cationic base guar gum (HP guar gum), cation hydroxyl butyl guar gum (HB guar gum); And
-cation carboxyalkyl guar gum, comprises cationic carboxy methyl guar gum (CM guar gum); Kation alkyl carboxyl guar gum, as cation carboxylic propyl group guar gum (CP guar gum) and cation carboxylic butyl guar gum (CB guar gum); Carboxymethylhydroxypropyl guar (CMHP guar gum).
More preferably, cation guar gum of the present invention is guar hydroxypropyltrimonium ammonium chloride.
The hydroxyalkylation degree (molar substitution or MS) of cation guar gum, that is, be present in the alkylene oxide molecules number that the free hydroxyl functions's number on this guar gum consumes, can be included between 0 and 3, preferably between 0 and 1.7.Such as, be 1 MS can represent every monosaccharide unit ethylene oxide unit.
The substitution value (DS) of cation guar gum, that is, the average number of hydroxyl that replaces by the cation group of every monosaccharide unit can be included between 0.005 and 3, preferably between 0.01 and 2.DS notably can represent the number of every monosaccharide unit carboxymethyl.DS can notably be determined by titration.
The charge density (CD) of cation guar gum can be included between 0.1meq/g and 2meq/g, preferably between 0.4meq/g and 1meq/g.Charge density refers to comprise the ratio of the molecular weight of positive changes on a kind of monomeric unit of polymer and described monomeric unit.Charge density is multiplied by the number that polymer molecular weight determines the positively charged site on given polymer chain.
This cation guar gum can have about 100,000 dalton and 3,500, between 000 dalton, preferably about 500,000 dalton and 3,500, and the mean molecule quantity (Mw) between 000 dalton.
This seed coating composition also can comprise a kind of adhesive.This adhesive (or any one deck) can be molasses, granulated sugar, alginate, Indian tragacanth (karaya gum), add guar gum (jaguargum), tragacanth (tragacanth gum), polysaccharide glue, mucus (mucilage), gelatin, polyvinyl acetate, VA, polyvinyl alcohol, polyvinyl alcohol copolymer, styrene-acrylonitrile copolymer ester polymer, styrene butadiene polymer, cellulose (comprises ethyl cellulose and methylcellulose, hydroxypropyl cellulose, CMC, hydroxymethyl-propyl cellulose), polyvinylpyrrolidone, dextrin, maltodextrin, polysaccharide, fat, oil, protein, gum Arabic, shellac, vinylidene chloride, vinylidene chloride copolymer, calcium lignosulfonate, acrylic copolymer, starch, derivatized starch, polyethylene acrylate, zein, carboxymethyl cellulose, shitosan, polyethylene glycol oxide, acrylamide polymer and copolymer, polyhydroxyethyl acrylate, methyl acrylamide monomer, alginate, ethyl cellulose, polychlorobutadiene, syrup or its any combination.
In another embodiment, this seed coating composition comprises at least one active component.This active component can be one or more weed killer herbicides, plant growth regulator, crop desiccant, fungicide, bactericide, bacteriostatic agent, insecticide, pest repellant, triazine herbicides, sulfonylurea herbicide, uracil, urea herbicide, antifebrin weed killer herbicide, organic phosphonate weed killer herbicide, glyphosate salt, glyphosate ester, nitrilo-oxime fungicide, imidazole fungicides, triazole antifungal agents, sulfenamide fungicide, dithiocarbamate fungicide, the lubex of chlorination, dichloroaniline fungicide, carbamate pesticide, organothiophosphates insecticide, completely halogenated organic insecticide, methoxychlor, miticide, propinyl sulfite, three azepine pentadiene miticides, the aromatic series miticide of chlorination, tetradifon (tetradifan), dinitrophenol dinitrophenolate miticide, binapacryl, or its any mixture.
According to one embodiment of present invention, this rice shoot composition comprises at least one cation guar gum and a kind of plant biological stimulin.Leaf is used the maybe component of plant biological stimulin normally except affecting plant growth and/or metabolic fertilizer when adding soil to.Plant biological stimulin belongs to one of following three classes generally: containing hormonal product, containing amino acid whose product and the product containing humic acid.In view of plant biological stimulin such as, increase growth rate, reduce insect plant growth, increase resistance of reverse, increase photosynthesis rate and increase the ability of disease tolerance, plant biological stimulin is used to process crop in business environment.Usually believe and operate plant biological stimulin by raising or lower plant hormone.
This seed coating composition can also contain pigment, auxiliary agent, surfactant and/or fertilizer.
This seed coating composition can be liquid or solid composition, is notably a kind of powder.Applicable packaging technique can be utilized these seed pelletings or the agglomeration (agglomeration) of seed carrying out these seed coating compositions described here.The available equipment for dressing can include but not limited to drum-type coating machine, rotary coating machine, rolling drum (tumbling drum), fluid bed and spouted bed, and can use any applicable equipment or technology.Come these seed pelletings by partial or continuous Cotton seeds.
These seeds can be separated before dressing, this dressing make use of mechanical device such as one and sieves in one embodiment.Then these seeds be separated can be incorporated into one and there is the dressing machine that seed stores up storehouse.In one embodiment, adhere to by dressing thing described here to these seeds in this mixing bowl and one or more and with a kind of adhesive or adhesive and mix.
In an embodiment of the method, one or more layer can be added to this seed pelleting or carry out agglomeration.Sequentially skin can be incorporated in this going barrel.
In another embodiment, flocculating agent or flocculating agent device can also be utilized.In a rotary coating machine, perform dressing by being placed on by seed in a rotating room, the inwall of this rotating room to this room pushes against these seeds.Centrifugal force and the mixed pole be placed in this coating machine allow this seed rotate and mix with a coatings.Adhesive or other coating material pumpings can be entered the approximate center of this coating machine on a sprayer dish, this sprayer dish rotates with this coating room.Once impact to this sprayer dish, so liquid adhesive is outwards guided into little dripping on this seed.
In one embodiment, seed coating technology comprises, and such as, seed is dressing in rotating disc or drum.Then with water or other liquid seed covered mist and then little by little by a kind of powder of thin inertia, such as, diatomite joins in this coating pan.The seed of each illiteracy mist becomes the center of powder, layer or the coating block that size increases gradually.This block thing being then rounded off and by rolling effect in this dish by smoothly, be similar to the cobble on sandy beach.By the compression from the weight of material in this dish by these coat compactings.Through being everlasting close to the skin at the end of this Cotton seeds, adhesive being combined this block that hardens.Adhesive can also be reduced by the amount that this completes the dust that product produces in process, shipping and sowing.Often utilize triage techniques repeatedly, as frequent manual screening, eliminate blank thing or two kinds of things (doubles), and guarantee uniform size.Such as, the tolerance of seed coating composition described here can be +/-1/64 inch (0.4mm), this is U.S. seed size trade standard (US seedtrade standard for sizing), sets up before introducing dressing for a long time.Such as, most commonly the circular hole of 13/64 inch diameter is brought to sow the lactuca sativa seeds of dressing with a kind of belt-feed planter by this.This hole dimension requires can to comprise these seed coating compositions of lactuca sativa seeds by size classes through the sieve of 8.5/64 inch by the sieve of 7.5/64 inch.
In another embodiment, these seed coating compositions described here and method comprise " original position dressing ".In position in dressing mode, in one embodiment, wherein seed that is unprocessed by or non-dressing to be implanted in a hole on ground and directly to be sprayed by a kind of coated composition soon immediately or thereafter or use and enters into this hole to hold or partly hold this seed.According to the present invention, this hole can be notably a hole, a chamber or a sunk area.Typically, mechanically perform using of this seed and using of this coated composition, it should be understood that any one or both in using mentioned by also can manually performing.
The present invention will be further illustrated by following nonrestrictive example now.
experimental section
In these experiments, correspondingly guar gum based additive is used:
| Guar gum | DS | M w | CD | |
| C1 | Noncationic guar gum | 0 | 2M | 0 |
| C2 | Non-cationic hydroxypropyl ether guar gum | 0 | 2M | 0 |
| 1 | Hydroxypropyl guar gum hydroxypropyl-trimethyl ammonium chloride | 0.10 | 1.5M | 0,5 |
| 2 | Guar hydroxypropyltrimonium ammonium chloride | 0.10-0.13 | 2M | 0.6-0.7 |
| 3 | Guar hydroxypropyltrimonium ammonium chloride | 0.17-0.20 | 2M | 0.9-1.1 |
example 1: to the growth-promoting functions of Chinese cabbage
By the aqueous additive spray solution of 0.4wt% on a variety of Chinese cabbage (Brassica chinensis) seed (Chinese cabbage), obtain the additive/seed weight ratio of 0.2%.Use every tank 50g soil, this soil is from Shanxi Province and belong to argillaceous soil.Watering water condition and carrying out germination test at the temperature of 25 DEG C at every 2 days 10mL water.
Germination rate means the plant number manifested from soil compared to the number of introducings all in soil.Height is the medium altitude of all plants in a group.
So the germination rate demonstrating not only this plant increases compared to space management, and also has the power of growth.As a result, germination occurs early and then makes the time of plant growth more.
example 2: the growth of wheat seed is promoted
By the aqueous additive spray solution of 1wt% on the surface of wheat seed, obtain the additive/seed weight ratio of 0.4%.Use every basin 900g soil, this soil is from Shanxi Province and belong to argillaceous soil.Watering water condition and carrying out germination test at the temperature of 25 DEG C at every 2 days 10mL water.
| Additive | Germination rate (4 days) | Germination rate (6 days) |
| C1/ without-contrast soil | 68％ | 89％ |
| 1/ guar gum 1 | 81％ | 94％ |
So demonstrate seed treatment of the present invention to allow to increase germination rate and germinate earlier compared to not providing the seed of Cotton seeds to promote.
example 3: to the growth-promoting functions of the wheat seed by pesticide treatments
The aqueous solution of the Tebuconazole additive of the guar gum 1 and 0.4wt% that comprise 0.4wt% is sprayed on the surface of wheat seed, the guar gum 1/ kind obtaining 0.2% give and 0.1% the weight ratio of Tebuconazole/seed.Use every basin 900g soil, this soil is from Shanxi Province and belong to argillaceous soil.Watering water condition and carrying out germination test at the temperature of 25 DEG C at every 2 days 25mL water.
So the germination rate demonstrating not only this plant increases compared to space management, and also have the power of growth, comprise the promotion of the height to plant.The existence also showing this cation guar gum allows partly to reduce the illeffects of fungicide to germination rate and this plant growth.
example 4: cation guar gum is to the growth-promoting functions of wheat seed
In its whipping process, the additive solution of 0.4% is sprayed on seed.The weight ratio of additive/seed is 0.2%.At room temperature by this seed drying 5 days.Then with the degree of depth of 1mm, they are planted in the soil of Shanxi Province.2mm/ days water water condition and night 25 DEG C and daytime carry out germination test at the temperature of 32 DEG C.
So the germination rate demonstrating not only this plant increases compared to space management, and also have the power of growth, comprise the promotion of the height to plant.
example 5: the result of field cationic guar gum
By means of adhesive powder additive to soya seeds dressing.The weight ratio of additive/seed is 0.2%.Plant the field in French A Weierdong (Averdon).
Irrigation with 30mm/ time after the whole harvest season is tested.Except natural precipitation, this plant represents the symptom of lack of water at every turn, carries out the irrigation of 30mm to provide sufficient irrigation.
Irrigation with 15mm/ time after the whole harvest season is tested.Except natural precipitation, this plant represents the symptom of lack of water at every turn, and the irrigation carrying out 15mm is irrigated to provide non-sufficient
| Additive | 1000 weight | Average root is long | Output/strain |
| C1/ without-contrast soil | 457.4g | 16.4cm | 83g |
| 1/ guar gum | 560.2g | 26.4cm | 115g |
So the germination rate demonstrating not only this plant increases compared to space management, and also has the overall productivity of the quantity of pod, the weight of particle and size, the length of root and the plant of production.
Claims (14)
1. increase a method for plant growth, the method comprises at least one step with plant seed described in the composition dressing comprising at least one cation guar gum.
2. method according to claim 1, the method comprises at least following steps:
A) with a kind of seed comprising the composition coating plant of at least one cation guar gum; And
B) seed of this dressing is applied on soil or in soil.
3. method according to claim 1, the method comprises at least following steps:
A) seed that is crude by or non-dressing is planted in a hole in soil; And
B) a kind of coated composition comprising at least one cation guar gum is used enter into this hole to hold or part hold this seed.
4. according to the method in any one of claims 1 to 3, wherein seed is selected from the group be made up of the following: corn, wheat, Chinese sorghum, soybean, tomato, cauliflower, radish, cabbage, Kano draw, lettuce, perennial ryegrass, grass, rice, cotton and sunflower.
5. method according to any one of claim 1 to 4, wherein cation guar gum is by using a kind of cationic etherifying agent to obtain.
6. the method according to any one of claim 1 or 5, wherein cation guar gum is by using a kind of quaternary ammonium salt as cationic etherifying agent to obtain.
7. method according to claim 6, wherein quaternary ammonium salt is selected from the group be made up of the following: 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride, 2,3-epoxypropyltrimethylchloride chlorides and diallyldimethylammonium chloride.
8. method according to any one of claim 1 to 7, wherein cation guar gum is selected from the group be made up of the following:
-cation guar, as cationic hydroxyethyl guar gum (HE guar gum), cationic hydroxypropyl guar (HP guar gum), cation hydroxyl butyl guar gum (HB guar gum), and
-cation carboxyalkyl guar, comprise cationic carboxy methyl guar gum (CM guar gum), kation alkyl carboxyl guar gum, as cation carboxylic propyl group guar gum (CP guar gum) and cation carboxylic butyl guar gum (CB guar gum), CMHPG (CMHP guar gum).
9. method according to any one of claim 1 to 8, wherein cation guar gum is guar hydroxypropyltrimonium ammonium chloride.
10. method according to any one of claim 1 to 9, wherein cation guar gum has the substitution value be included between 0.005 and 3.
11. methods according to any one of claim 1 to 10, wherein cation guar gum has about 100,000 dalton and 3,500, the mean molecule quantity between 000 dalton.
12. methods according to any one of claim 1 to 11, wherein this seed coating composition also comprises a kind of adhesive.
13. methods according to any one of claim 1 to 12, wherein this seed coating composition also comprises a kind of active component.
14. methods according to any one of claim 1 to 13, wherein this seed coating composition also comprises a kind of plant biological stimulin.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780363.XA CN109005749A (en) | 2012-07-06 | 2013-07-08 | Plant growth promotion |
| CN201380040289.3A CN104717879A (en) | 2012-07-06 | 2013-07-08 | Growth enhancement of plant |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/078274 WO2014005319A1 (en) | 2012-07-06 | 2012-07-06 | Growth enhancement of plant |
| CNPCT/CN2012/078274 | 2012-07-06 | ||
| PCT/CN2013/078982 WO2014005555A1 (en) | 2012-07-06 | 2013-07-08 | Growth enhancement of plant |
| CN201380040289.3A CN104717879A (en) | 2012-07-06 | 2013-07-08 | Growth enhancement of plant |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810780363.XA Division CN109005749A (en) | 2012-07-06 | 2013-07-08 | Plant growth promotion |
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| CN104717879A true CN104717879A (en) | 2015-06-17 |
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| CN201380040289.3A Pending CN104717879A (en) | 2012-07-06 | 2013-07-08 | Growth enhancement of plant |
| CN201810780363.XA Pending CN109005749A (en) | 2012-07-06 | 2013-07-08 | Plant growth promotion |
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| EP3236730A4 (en) * | 2014-12-23 | 2018-05-23 | Rhodia Operations | Growth enhancement of plant by using cationic guars |
| CN114846951A (en) * | 2022-04-29 | 2022-08-05 | 北京市农林科学院 | Seed treatment method for promoting germination and growth of wheat under condition of deficiency of bottom soil moisture |
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| CN109005749A (en) | 2018-12-18 |
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