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Rape seed coating agent and preparation method thereof

A coating agent and seed technology, applied in the field of rapeseed coating agent and its preparation, can solve the problems of reduced germination rate of rapeseed, smooth seed coat, small rapeseed, etc., achieve high production and application value, uniform coating, not easy Shedding effect

Pending Publication Date: 2021-12-21
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are some common problems in the coating test of rapeseed. For example, the germination rate of rapeseed is significantly reduced by using the current basic formula of various coating tests. Moreover, the rapeseed seed is small and the seed coat is relatively smooth, so it is difficult to evenly coat the seed surface. seed coating etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] The present embodiment provides a kind of rapeseed coating agent and the method for coating rapeseed, specifically as follows:

[0060] 1. Coating agent formula:

[0061] Include the raw material of following mass percentage in described coating agent:

[0062] Film-forming agent: gum arabic 0.303%, trehalose 0.379%;

[0063] Adhesives: polyglutamic acid 0.075%, polyacrylamide 0.075%, carboxymethyl cellulose 0.379%;

[0064] Penetrant: 0.075% sodium secondary alkyl sulfonate;

[0065] Emulsifier: Sodium Dodecyl Sulfonate 0.075%;

[0066]Gelatinizer: potato starch 0.15%;

[0067] Defoamer: tributyl phosphate 5%;

[0068] and 20 mL of water.

[0069] 2. Rapeseed seeds and treatment: Prepare enough Qingyou No. 3 rapeseed seeds (the seeds are all from the Rapeseed Light and Simple Cultivation Laboratory of Huazhong Agricultural University)

[0070] ① Weigh the seeds;

[0071] ② Add an appropriate amount of tap water, soak for 1 minute, take out the seeds and dry the...

Embodiment 2

[0083] The difference between this embodiment and embodiment 1 is:

[0084] (1) The coating agent includes the following raw materials in mass percentages:

[0085] Film-forming agent: gum arabic 0.27%, trehalose 0.34%;

[0086] Adhesives: polyglutamic acid 0.07%, polyacrylamide 0.11%, carboxymethyl cellulose 0.34%;

[0087] Penetrant: 0.014% sodium secondary alkyl sulfonate;

[0088] Emulsifier: Sodium Dodecyl Sulfonate 0.014%;

[0089] Gelatinizer: potato starch 0.105%;

[0090] Defoamer: tributyl phosphate 5%;

[0091] and 20 mL of water.

[0092] (2) When the treated seeds are added to the coating agent, the mass ratio of the drug to seed is 1:11, wherein 3g of seeds and 0.27g of the coating agent.

Embodiment 3

[0094] The difference between this embodiment and embodiment 1 is:

[0095] (1) The coating agent includes the following raw materials in mass percentages:

[0096] Film-forming agent: gum arabic 0.25%, trehalose 0.3125%;

[0097] Adhesives: polyglutamic acid 0.0625%, polyacrylamide 0.0625%, carboxymethyl cellulose 0.3125%;

[0098] Penetrant: 0.0625% sodium secondary alkyl sulfonate;

[0099] Emulsifier: Sodium Dodecyl Sulfonate 0.0625%;

[0100] Gelatinizer: potato starch 0.125%;

[0101] Defoamer: tributyl phosphate 5%;

[0102] and 20 mL of water.

[0103] (2) When the treated seeds are added to the coating agent, the mass ratio of the drug to seed is 1:12, wherein 3g of seeds and 0.25g of the coating agent.

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PUM

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Abstract

The invention discloses a rape seed coating agent and a preparation method thereof. The coating agent comprises the following raw materials in percentage by mass: a film-forming agent containing 0.2%-0.4% of Arabic gum and 0.2%-0.4% of trehalose; an adhesion agent containing 0.05%-0.08% of polyglutamic acid, 0.05%-0.15% of polyacrylamide and 0.2%-0.4% of carboxymethyl cellulose; a penetrant containing 0.01%-0.08% of secondary alkyl sodium sulfonate; an emulsifier containing 0.01%-0.08% of sodium dodecyl sulfate; a gelatinizing agent containing 0.1%-0.2% of potato starch; a defoaming agent containing 5% of tributyl phosphate; and the balance of water. According to the invention, a plurality of components and dosages of the coating agent are optimized to play a synergistic role, and the rape seeds are treated in advance by using the surfactant, so that the coating agent can coat the rape seeds more uniformly, facilitates film forming and is not easy to fall off; the germination rate, the seedling rate and multiple agronomic indexes of the rape seeds can be improved to a certain extent while a better coating effect is achieved, the rape seed coating agent can be used as a basic formula to play a seed coating role, and the rape seed coating agent has high production and application value.

Description

technical field [0001] The invention belongs to the technical field of seed coating, and in particular relates to a rapeseed coating agent and a preparation method thereof. Background technique [0002] More than half of the crop production in the world adopts the direct seeding cultivation mode, and the seed germination rate and seedling rate are the most important indicators of direct seeding cultivation. However, not all areas have access to good external environments such as good land resources, abundant rainfall, and sufficient sunlight, and not all areas have crops that are free from pests and weeds and receive sufficient The nutrient conditions lead to unstable seed germination and seedling rate under the direct seeding cultivation mode, thereby affecting crop production. A large number of studies and production practices have shown that the germination rate and seedling rate of seeds under adverse environmental conditions can be improved through appropriate seed tre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/06
CPCA01C1/06
Inventor 胡婕汪波蒯婕王晶周广生
Owner HUAZHONG AGRI UNIV
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