CN201797719U - Seed germination and vigor testing device - Google Patents

Abstract

A seed germination and vigor detection device relates to the technical field of agricultural seed determination and germplasm preservation, including a bottom tank, multiple tank plates, multiple cover plates and compression screws, and the bottom tank, tank plates and cover plates are all made of transparent materials The bottom groove is a rectangular groove, and the inner surface of the opposite side wall of the bottom groove has multiple vertical slots, the upper end of the slot is opened at the upper mouth of the bottom slot, and the lower end of the slot is at a distance from the inner bottom of the bottom slot; one side of the slot plate has multiple There are seed grooves running parallel to the opposite side, and the opposite side of the slot plate has screw holes; the cover plate is a flat plate, and the opposite side of the cover plate has holes corresponding to the screw holes of the slot plate; the compression screw passes through the hole of the cover plate and is tightened on Screw holes on the slot plate. The seed germination and vigor detection device is used for the determination of seed germination ability.

Description

Seed germination and vitality detection device

technical field

The utility model relates to the technical field of agricultural seed germination rate measurement and germplasm preservation, in particular to a seed germination and vitality detection device.

Background technique

In agricultural technology, the germination rate of seeds should be measured according to national standards, while in germplasm resource preservation, it is even more required to measure the germination rate of seeds before and during germplasm preservation. In order to ensure the safety of stored germplasm, the long-term germplasm bank will still have a high germination rate when the preserved germplasm material is replanted after several years, and maintain the original genetic traits. It is necessary to regularly test the stored germplasm resources to maintain their vitality. . According to national standards, one of the methods for detecting the vitality of seeds is: place one or more layers of filter paper in a petri dish to make a paper bed, put the seeds on one or more layers of moist filter paper to germinate, and test each seedling according to the It is identified according to the specified standards, the speed and uniformity of seed germination and seedling growth, the performance after storage and transportation, especially the maintenance of germination ability. Seed vigor affects plant growth, crop uniformity, yield and product quality. The defect of the method of measuring germination rate generally using a petri dish is that it cannot guarantee the consistency of the external conditions of each seed in the germination process. After the seed germinates, its young shoots and roots grow randomly, and its bending state affects its It is not easy to observe and compare the development of each seed in parallel with the measurement of length.

Utility model content

In order to solve the technical defects existing in the prior art, the purpose of this utility model is to provide a seed germination and vigor detection device, which has a simple structure and can be conveniently used for seed germination tests, and can intuitively observe the germination characteristics of seeds, and obtain accurate measurement data.

In order to achieve the above object, the technical solution of the utility model is:

Seed germination and vitality detection device, which: includes a bottom groove, multiple groove plates, multiple cover plates and compression screws, the bottom groove, groove plates and cover plates are all made of transparent materials; the bottom groove is a rectangular groove, the bottom The inner surface of the opposite side wall of the groove has a plurality of vertical slots, the upper end of the slot is opened at the upper opening of the bottom slot, and the lower end of the slot is at a distance from the inner bottom of the bottom slot; one side of the slot plate has multiple parallel seed slots penetrating the opposite side The opposite side of the slot plate has screw holes; the cover plate is a flat plate, and the opposite side of the cover plate has holes corresponding to the screw holes of the slot plate; the compression screw passes through the hole of the cover plate and is screwed tightly to the screw hole on the slot plate.

The cross section of the seed groove on the groove plate is rectangular.

The cross-section of the rectangular seed groove on the groove plate is 2×3mm-12×22mm.

The cross section of the seed groove on the groove plate is semicircle or semiellipse.

There are two screw holes and holes on opposite sides of the slot plate and the cover plate.

There are also two screw holes and holes in the middle of the slot plate and the cover plate.

After adopting the above-mentioned scheme, the utility model places the plant seeds of the specified quantity in the groove of the groove plate in the use process, and places a seed in each groove, and the seeds in each groove are arranged in a straight line, the distance The sides of the slot plates are arranged at equal distances, and then a filter paper strip is placed in each slot, one end of the filter paper strip is covered on the seeds, and the other end of the filter paper strip extends out of the slot plate, and the cover plate is covered on the slot plate. The compression screw passes through the cover plate and tightens it in the screw hole of the slot plate, so that the surface of the cover plate and the slot plate are closely connected, and the slot plate and cover plate connected as one are vertically inserted into the embedded groove of the bottom groove, so that the extension The strip of filter paper that comes out touches the bottom of the sump. Add water in the bottom tank, due to capillary phenomenon, the water rises along the filter paper strip, reaches the seed part, and provides moisture for the seed. Place the germination test device at the specified temperature, air, and light conditions. The seeds germinate, grow leaves upward, and grow roots downward. Since each seed is limited in the groove space formed by the groove plate and the cover plate, its The leaves and roots are restricted by the grooves and can only grow up and down in a straight line. Since the trough plate and the cover plate are made of transparent materials, it is convenient to observe the germination and growth of the seeds from the outside, and after a specified number of days, the growth length of the upper leaf part and the growth length of the lower root part of the seed can be easily measured. Observing and measuring the different forms of a specified number of seeds under the same water, air, temperature, and light conditions can make it easier to observe and compare to obtain accurate measurement data.

Description of drawings

Fig. 1 is the front view of the seed germination and vitality detection device of the present utility model;

Fig. 2 is the top view of the seed germination and vitality detection device of the present utility model;

Fig. 3 is the A-A view of Fig. 1 of the seed germination and vigor detection device of the present invention;

Fig. 4 is the partially enlarged view of the seed germination and vigor detection device of the present invention in use state;

Fig. 5 is the front view of the groove plate of the seed germination and vitality detection device of the present invention;

Fig. 6 is the top view of the groove plate of the seed germination and vitality detection device of the present invention;

Fig. 7 is the front view of the cover plate of the seed germination and vitality detection device of the present invention;

Fig. 8 is the top view of the cover plate of the seed germination and vitality detection device of the present invention;

Fig. 9 is the front view of the bottom tank of the seed germination and vitality detection device of the present invention;

Fig. 10 is the B-B view of Fig. 9 of the bottom tank of the seed germination and vitality detection device of the present invention;

Fig. 11 is a top view of Fig. 10 of the bottom tank of the seed germination and vitality detection device of the present invention.

Labels in the attached drawings:

1. Bottom groove, 2. Cover plate, 3. Groove plate, 4. Screw hole, 5. Insert groove, 6. Compression screw, 7. Seed groove, 8. Hole, 9. Filter paper, 10. Seed, 11. leaf, 12. root, 13. water.

Detailed ways

The specific implementation of the seed germination and vigor detection device of the present invention will be further described below in conjunction with the accompanying drawings of the description.

As shown in Figures 1-11, the seed germination and vitality detection device of the present invention includes a bottom groove 1, a plurality of groove plates 3, a plurality of cover plates 2 and compression screws 6, bottom groove 1, groove plates 3 and Cover plate 2 all is made of transparent material, such as plexiglass, plastics, glass etc., so that the germination condition of seed 10 in the seed groove 7 on the observation groove plate 3 is convenient from the outside, can be on groove plate 3 or cover plate 2 Making reference lines and scales horizontally can measure the lengths of leaves 11 and roots 12 more conveniently, and the corresponding lengths can be seen at a glance. The bottom groove 1 is a rectangular groove, and the inner surface of the opposite side wall of the bottom groove 1 has a plurality of vertical slots 5, and the upper end of the slots 5 is opened on the top of the bottom slot 1, so that the slot plate 3 and the cover plate 2 can be inserted into and maintained in the slot The plate 3 and the cover plate 2 are in a vertical state, and the lower end of the caulking groove 5 is at a distance from the inner bottom of the bottom groove 1, so that the groove plate 3 and the cover plate 2 do not directly fall to the bottom of the bottom groove 1, and keep a certain distance from the bottom of the bottom groove 1. The distance makes the bottom of the filter paper strip clamped in the seed tank 7 of the tank plate 3 immersed in water after adding water in the bottom tank 1, which can absorb moisture for the seeds 10. Slot plate 3 one side has the seed groove 7 that runs through the opposite side of multitrack parallel, and the seed groove 7 that perforates can provide air for seed 10, and seed groove 7 cross-sections are rectangular, and according to the size of different plant seeds, can make the seed groove 7 section The size is designed to be 2×3mm——12×22mm, so as to select the groove plate 3 with different sizes of the seed groove 7 according to the different tested seeds 10, and the cross-sectional shape of the seed groove 7 can also be designed as a semicircle or a semi-ellipse. Not only can the seeds 10 be well accommodated, but also the optical effect of the semicircular or semielliptical seed groove 7 can magnify the image therein, so that the properties of the internal seeds can be seen more clearly. The opposite side of the slot plate 3 has a screw hole 4; the cover plate 2 is a flat plate, and the opposite side of the cover plate 2 has a hole corresponding to the screw hole of the slot plate, and the compression screw passes through the hole 8 of the cover plate 2 and is screwed on the slot plate 3 The screw holes 4 of the two plates are closely pasted together, so that the root system of the seed 10 does not escape into the adjacent groove, which affects the measurement of the length and growth status of the root system. The opposite sides of the groove plate 3 and the cover plate 2 are respectively Opening two screw holes 4 and 8 can basically realize the bonding of the two plates. If the slot plate 3 and the cover plate 2 are relatively long, in order to prevent the middle part from being tightly bonded, two screw holes 4 and holes can also be set in the middle. 8.

The utility model can be used in the seed germination rate test in the seed department, and can also be used in the germplasm preservation department to measure the germplasm material.

Claims (6)

1. The seed germination and vigor detection device is characterized in that: it comprises a bottom groove, a plurality of groove plates, a plurality of cover plates and compression screws, and the bottom groove, groove plates and cover plates are all made of transparent materials; the bottom groove is Rectangular groove, the inner surface of the opposite side wall of the bottom groove has multiple vertical slots, the upper end of the slot is opened on the upper opening of the bottom slot, and the lower end of the slot is a distance from the inner bottom of the bottom slot; one side of the slot plate has multiple parallel through pairs The seed groove on the side has screw holes on the opposite side of the slot plate; the cover plate is a flat plate, and the opposite side of the cover plate has holes corresponding to the screw holes on the slot plate; hole. 2. The device for detecting seed germination and vigor according to claim 1, characterized in that: the cross-section of the seed groove on the groove plate is rectangular. 3. The device for detecting seed germination and vigor according to claim 2, characterized in that: the cross-section of the rectangular seed groove on the groove plate is 2×3mm——12×22mm. 4. The device for detecting seed germination and vigor according to claim 1, characterized in that: the cross-section of the seed groove on the groove plate is semicircular or semielliptical. 5. The seed germination and vigor detection device according to claim 1, 2 or 4, characterized in that: the groove plate and the cover plate have two screw holes and holes on opposite sides. 6. The device for detecting seed germination and vitality according to claim 5, characterized in that there are two screw holes and holes between the slot plate and the cover plate.

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