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High-temperature and high-humidity-resistant seed coating agent for efficiently preventing and treating rape plasmodiophora brassicae and preparation method therefor

A technology for clubroot disease and high temperature resistance of rapeseed can be applied in the fields of seed coating/seed dressing, botanical equipment and methods, biocides, etc. Achieving the effect of easy large-scale use and simple preparation

Active Publication Date: 2015-12-23
INST OF PLANT PROTECTION SICHUAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Chemical control methods mostly use chemical pesticides (such as cyazofamid) for control. In addition to seedbed soil chemical treatment and seedling irrigation, chemical control treatments also need chemical root irrigation during transplanting and chemical irrigation of seedlings after survival. In order to achieve a better control effect; at the same time, the amount of pesticides is large and the risk of environmental pollution is high. Long-term use of chemical pesticides will not only cause soil pollution, but also increase the health and safety risks of humans and animals; in addition, the control period is too long, and farmers cannot accept it.
Clubroot Crop rotation is difficult because of the inability to eliminate the growth of cruciferous weeds in dryland croplands

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] 1) Prepare 1 part of Pulutong and 80 parts of coating material in parts by weight;

[0057] Described coating material is counted as by weight:

[0058] Acrylic resin 5 parts

[0059] 20 parts of disodium hydrogen phosphate

[0060] 40 parts of kaolin;

[0061] 2) Under stirring conditions, slowly add water to the coating material, the amount of water added is 1.5 times the weight of the coating material, and stir evenly;

[0062] 3) Add the active ingredients and stir evenly;

[0063] 4) Dry at 30-50°C and sieve until the particle size is not greater than 5 microns.

Embodiment 2

[0065] 1) In parts by weight, prepare 5 parts of 6% oligosaccharide·catenin, and 100 parts of coating materials;

[0066] Described coating material is:

[0067] Mixture of acrylic resin and povidone 8 parts

[0068] Mixture of disodium hydrogen phosphate and ammonium sulfate 40 parts

[0069] 60 parts of mixture of kaolin and talc;

[0070] Wherein, the mass ratio of acrylic resin and povidone is 3:1; the mass ratio of disodium hydrogen phosphate and ammonium sulfate is 1.5:1; the mass ratio of kaolin and talcum powder is 1:1;

[0071] 2) Under stirring conditions, slowly add water to the coating material, the amount of water added is 1.8 times the weight of the coating material, and stir evenly;

[0072] 3) Add the active ingredients and stir evenly;

[0073] 4) Dry at 30-50°C and sieve until the particle size is not greater than 5 microns.

Embodiment 3

[0075] 1) In parts by weight, prepare 3 parts of 3% Alternaria ultrafines activated protein and 90 parts of coating materials;

[0076] Described coating material is:

[0077] Mixture of acrylic resin and povidone 6 parts

[0078] Mixture of disodium hydrogen phosphate and ammonium sulfate 30 parts

[0079] 50 parts of mixture of kaolin and talc;

[0080] Wherein, the mass ratio of acrylic resin and povidone is 4:1; the mass ratio of disodium hydrogen phosphate and ammonium sulfate is 1.8:1; the mass ratio of kaolin and talc is 1.2:1;

[0081] 2) Under stirring conditions, slowly add water to the coating material, the amount of water added is 1.5 times the weight of the coating material, and stir evenly;

[0082] 3) Add the active ingredients and stir evenly;

[0083] 4) Dry at 30-50°C and sieve until the particle size is not greater than 5 microns.

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PUM

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Abstract

The present invention provides a high-temperature and high-humidity-resistant seed coating agent for efficiently preventing and treating rape plasmodiophora brassicae. The seed coating agent comprises the components in parts by weight: 1-5 parts of active ingredients and 80-100 parts of a coating material, wherein the coating material comprises the components in parts by weight: 5-8 parts of acrylic resin and / or povidone, 20-40 parts of at least one of disodium hydrogen phosphate, sulfate ammonium and magnesium sulfate, and 40-60 parts of Kaolin and / or talcum powder; and the active ingredients comprise at least one of 6% oligosaccharide.chain protein, Pulvtong, and 3% plant activator protein. The present invention further provides a preparation method for the seed coating agent. According to the seed coating agent and the method provided by the present invention, greater than 90% prevention efficiency of rape plasmodiophora brassicae can be achieved; the seed coating agent can be stored for a long time under the condition of high temperature and high humidity; and the seed coating agent is harmless to soil, humans and animals, simple to prepare and easy to use on a large scale.

Description

technical field [0001] The invention belongs to the field of prevention and treatment of rapeseed clubroot, in particular to a high-temperature and high-humidity resistant seed coating agent for preventing and treating rapeseed clubroot. Background technique [0002] my country's rapeseed is mainly divided into winter rapeseed and spring rapeseed, of which the planting area and output of winter rapeseed account for more than 90%, and the planting area of ​​winter rapeseed is mainly concentrated in the Yangtze River Basin, including Sichuan, Chongqing, Yunnan, Guizhou, etc. [0003] At present, for the cultivation of rapeseed, the prevention and treatment of clubroot is one of the key tasks, and clubroot can greatly reduce the yield of rapeseed or even fail it. However, the current control methods are mainly the use of chemical pesticides, crop rotation and soil improvement. [0004] Chemical control methods mostly use chemical pesticides (such as cyazofamid) for control. In...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01N61/00C05G3/00A01P3/00A01C1/06A01N43/50A01N43/40
Inventor 刘勇张蕾黄小琴伍文宪刘红雨周西全尹全宋君王东常丽娟张富丽
Owner INST OF PLANT PROTECTION SICHUAN ACAD OF AGRI SCI
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