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A kind of method promoting the germination of Desmodium sativa seeds

A technology of Radix vulgaris and seeds is applied in the field of promoting germination of Radix chinensis seeds, which can solve the problems of difficult to grasp the corrosion time, easy to cause acid damage, and difficult to evenly operate, so as to reduce the time of ineffective soaking and improve the uniformity of germination. , the effect of improving the germination rate

Inactive Publication Date: 2016-08-17
GUANGXI BOTANICAL GARDEN OF MEDICINAL PLANTS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Concentrated sulfuric acid is highly corrosive, and the operation has certain risks; the corrosion time is difficult to grasp, and it is easy to cause acid damage if the corrosion time is long; the price of concentrated sulfuric acid is high, it is difficult to recycle, and it is easy to cause environmental pollution
The method of mechanical friction is difficult to apply evenly to each seed, and it is easy to cause complete or no damage to the seeds.

Method used

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  • A kind of method promoting the germination of Desmodium sativa seeds
  • A kind of method promoting the germination of Desmodium sativa seeds

Examples

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example 1

[0032] A method for promoting the germination of Desmodium spp. seeds, comprising the following steps:

[0033] Step 1, soaking the seeds of Desmodium sativa with polyethylene glycol solution;

[0034] Step 2. Place the Desmodium sativa seeds obtained in Step 1 in the culture medium and cultivate them under the conditions of constant temperature and alternating light. conditions for 12 hours.

[0035] In the method for promoting the germination of Desmodium sativa seeds, before the step 1, the seeds of Desmodium sativa are first divided into three grades, and then the seeds of grade I, grade II and grade III are respectively treated with 20% polyethylene glycol by mass fraction. The solution was soaked for 44 hours, 36 hours and 20 hours, and the temperature of the solution was kept at 20°C during the soaking process;

[0036] Among them, Grade I seeds are 1.8-2.3mm long, 1.2-1.7mm wide, and the thousand-grain weight is more than 1.80 grams; Grade II seeds are 1.5-2.3mm long...

example 2

[0049] A method for promoting the germination of Desmodium spp. seeds, comprising the following steps:

[0050] Step 1, soaking the seeds of Desmodium sativa with polyethylene glycol solution;

[0051] Step 2. Place the Desmodium sativa seeds obtained in Step 1 in the culture medium and cultivate them under the conditions of constant temperature and alternating light. conditions for 12 hours.

[0052] The method for promoting the germination of Desmodium spp. seeds, before the step 1, first divide the seeds of S. spp. Soak in ethylene glycol solution for 48 hours, 40 hours and 24 hours, and keep the solution temperature at 30°C during the soaking process;

[0053] Among them, Grade I seeds are 1.8-2.3mm long, 1.2-1.7mm wide, and the thousand-grain weight is more than 1.80 grams; Grade II seeds are 1.5-2.3mm long, 1.0-1.7mm wide, and the thousand-grain weight is 1.65-1.85 grams; Grade III seeds, The length is 1.2-2.3mm, the width is 0.8-1.7mm, and the thousand-grain weight i...

example 3

[0066] A method for promoting the germination of Desmodium spp. seeds, comprising the following steps:

[0067] Step 1, soaking the seeds of Desmodium sativa with polyethylene glycol solution;

[0068] Step 2. Place the Desmodium sativa seeds obtained in Step 1 in the culture medium and cultivate them under the conditions of constant temperature and alternating light. conditions for 12 hours.

[0069] The method for promoting the germination of Desmodium spp. seeds, before the step 1, first divide the seeds of S. spp. Soak in ethylene glycol solution for 45 hours, 38 hours and 22 hours, and keep the solution temperature at 25°C during the soaking process;

[0070] Among them, Grade I seeds are 1.8-2.3mm long, 1.2-1.7mm wide, and the thousand-grain weight is more than 1.80 grams; Grade II seeds are 1.5-2.3mm long, 1.0-1.7mm wide, and the thousand-grain weight is 1.65-1.85 grams; Grade III seeds, The length is 1.2-2.3mm, the width is 0.8-1.7mm, and the thousand-grain weight i...

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Abstract

The present invention provides a kind of method for promoting the germination of Desmodium sativa seeds, comprising the following steps: step 1, soaking the seeds of Desmodium sativa with poly-L-alcohol solution; , cultured under constant temperature and alternating light conditions, the constant temperature and alternating light conditions are: culturing under dark conditions at 30° C. for 12 hours every day, and then culturing under light conditions at 30° C. for 12 hours. The invention effectively breaks the hard dormancy of Desmodium sativa seeds, has low cost, no environmental pollution, no danger, simple operation, improves the germination rate and uniformity of germination of Desmodium sativa seeds, and improves the germination potential of Class I seeds of S. Germination improved to 89‑96% to 82‑89%.

Description

technical field [0001] The invention relates to the technical field of plant seed germination. More specifically, the present invention relates to a method for promoting the germination of Desmodium spp. seeds. Background technique [0002] Guangjincao is an upright subshrub-like herb belonging to the leguminous family, and the aboveground part is used as medicine. It is one of the large-scale Chinese herbal medicines in Guangdong and Guangxi. , stone stranguria, urination astringent pain, edema and oliguria embolism treatment. Due to its remarkable medicinal efficacy, the demand for Herba Desmodium Sinensis in the pharmaceutical market continues to grow, and wild resources can no longer meet the market demand. Artificial cultivation of Desmodium Sinensis not only protects the wild resources, but also has good economic and social benefits. [0003] Artificial cultivation of Desmodium spp. is usually propagated by seeds, but due to the hard seed coat of S. spp. seeds, there...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/00
Inventor 董青松朱艳霞黄燕芬柯芳潘春柳缪剑华
Owner GUANGXI BOTANICAL GARDEN OF MEDICINAL PLANTS
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