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Seed treatment composition and application

A seed treatment and composition technology is applied in the field of crop production to achieve the effects of increasing root surface area and root dry weight, promoting development and increasing yield

Pending Publication Date: 2020-05-19
INST OF CROP SCI CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few seed treatment techniques to improve the resistance of seed germination to various stresses such as temperature, water, and salinity.

Method used

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  • Seed treatment composition and application
  • Seed treatment composition and application
  • Seed treatment composition and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The recipe in this example is used for seed soaking treatment, including: 0.5% organic macromolecular carbon sol, 4g / L MS medium dry powder, and 10mg / L potassium permanganate. Take 5mL of organic macromolecular carbon sol, 1mL of 10g / L potassium permanganate mother solution, and 4g of MS medium dry powder, add them to 1L of water, fully dissolve to obtain the composition in this example.

[0042] According to this recipe, the seeds of rice (Jinyuan 45), corn (Zhongdan 909) and wheat (Zhongmai 895) were soaked separately, and the seeds soaked in clear water were used as a control. The treated seeds were tested for germination in petri dishes. Two temperature treatments were set up in the experiment, 15°C and 26°C for rice and corn, and 4°C and 20°C for wheat.

[0043] Table 1 Effect of seed soaking treatment on germination rate of corn, rice and wheat at low temperature

[0044]

[0045] As can be seen from Table 1, the application of the composition to soak the see...

Embodiment 2

[0047] The formula of this example is used for seed dressing treatment of seeds, including: 1% organic macromolecular carbon sol, 8g / L MS medium dry powder, 20mg / L potassium permanganate, 10g / L polyvinylpyrrolidone K60 and 1.5g / L of gelatin.

[0048] Accurately weigh 10g of polyvinylpyrrolidone K60, add it to 800mL of water, stir to fully dissolve, then weigh 1.5g of gelatin, add it to the above solution, stir to dissolve, add water to 1000mL, and prepare it as an adhesive for later use; take 10mL of organic Macromolecular carbon sol, 5mL of 10g / L potassium permanganate mother solution, and 8g of MS medium dry powder were added to the above adhesive and fully dissolved.

[0049] According to this formula, the seeds of rice (Jinyuan 45), corn (Zhongdan 909) and wheat (Zhongmai 895) were seed-dressed. According to the ratio of adding 5mL seed dressing agent to 1000g seeds, the seeds are treated with seed dressing, and then dried for later use. The seedling emergence test of th...

Embodiment 3

[0054] The formula in this example is used to coat the seeds, including: 3% organic macromolecular carbon sol, 8g / L MS medium dry powder, 50mg / L potassium permanganate, 5g / L polyvinylpyrrolidone K40 , 15g / L hydroxyethyl cellulose (5000-6400MPa S), 15g / L sodium carboxymethyl cellulose (800-1200MPa S), 60g / L diatomaceous earth, 50g / L acid scarlet;

[0055] Accurately weigh 5g of polyvinylpyrrolidone K40, add it to 950mL of water, heat and stir to fully dissolve, then weigh 15g of hydroxyethyl cellulose (5000-6400MPa S) and 15g of sodium carboxymethylcellulose (800-1200MPa S ) was added to the above solution while stirring, and it was configured as a binder for subsequent use; then, 60g diatomaceous earth and 50g acid scarlet were added in the above binder, and after the ingredients were evenly stirred, 30mL organic macromolecular carbon sol was added, 10g / Add 5mL of potassium permanganate mother solution and 8g of MS medium dry powder into the above-mentioned semi-fluid mixture...

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Abstract

The present invention discloses a seed treatment composition, which comprises an active component that comprises an organic macromolecule carbon sol, potassium permanganate and MS culture medium dry powder. The invention further provides application of the seed treatment composition in resisting low-temperature germination of plants, promoting root development of the plants and delaying later-period aging. The composition is used for seed soaking, seed dressing or coating treatment, the germination capacity of seeds under various adversity stresses is improved, meanwhile, the comprehensive resistance in the growth and development process is improved, the root growth of crops can be promoted, the crown-root ratio can be adjusted, later-period aging is delayed, and the crop yield is increased.

Description

technical field [0001] The invention belongs to the technical field of crop production, and specifically relates to a seed treatment composition and its application, in particular to a novel composition for improving germination of seeds under adversity stress, promoting the development of corn roots mainly lateral roots, delaying later aging and increasing corn yield. Background technique [0002] External environmental conditions are important factors affecting seed germination. After the crops are sown, unfavorable soil conditions such as low temperature, drought, salt, and alkali stress will delay the germination process and reduce the germination rate; this will lead to irregular emergence, or even lack of seedlings, which seriously affects the growth and production of crops, resulting in Crop yields are down. [0003] Seed treatment techniques before sowing include physical and chemical methods. Physical methods such as patent ZL201720656220.9 describe methods and de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N37/40A01N37/42A01N59/16A01N61/00A01P3/00A01P1/00A01P21/00
CPCA01N37/40A01N37/42A01N59/16A01N61/00
Inventor 丁在松周宝元黄素华孙雪芳李从锋马玮赵明
Owner INST OF CROP SCI CHINESE ACAD OF AGRI SCI
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