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Composite wheat seed coating agent and preparation method thereof

A compound, wheat-based technology, applied in botany equipment and methods, insecticides, biocides, etc., can solve the problems of wheat yield and quality decline, affecting the normal growth of wheat, etc., to reduce the number of aphids and cyst nematodes and Disease index, improving drug duration, and obvious control effect

Inactive Publication Date: 2017-10-20
GANSU AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the growth of wheat, it is often damaged by a variety of diseases and insect pests, such as wheat stripe rust, powdery mildew, head blight, smut, cyst nematodes, aphids, midges, armyworms, wireworms, grubs, etc. Diseases and insects often occur together, seriously affecting the normal growth of wheat, resulting in a decline in wheat yield and quality

Method used

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  • Composite wheat seed coating agent and preparation method thereof
  • Composite wheat seed coating agent and preparation method thereof
  • Composite wheat seed coating agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A composite wheat seed coating agent is prepared from the following raw materials in percentage by weight: thiamethoxam 10-15%, dithiocyanomethane 0.5-1%, growth regulator 0.05-0.1%, dispersant 2-7%, anti-caking agent 1-4%, suspending agent 1-6%, film-forming agent 0.1-3%, filler 1-10%, preservative 1-3%, colorant 0.5-5%, remove Ionized water balance.

[0040] According to the ratio in Table 1 below, weigh each raw material and operate separately.

[0041] Table 1.

[0042]

[0043]Among the above compound wheat seed coating agents, thiamethoxam and dithiocyanomethane are the original drugs with a content of more than 90%; the growth regulator is one of gibberellin, ABT5 rooting powder, fulvic acid, and petroleum growth promoters One or more kinds; the dispersant is one of nonylphenol polyoxyethylene ether, octylphenol polyoxyethylene ether, styrene ethylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether one or mor...

Embodiment 2

[0050] Case effect:

[0051] Case 1: In October 2014, field experiment research on winter wheat in Xinxiang, Henan. Relevant data: the above formula 2 (after coating wheat seeds at a ratio of 1:35, investigate the number of cysts in the soil at the heading stage, the control effect is 50.74%, which is 16.09% higher than that of the blank control.

[0052] Case 2: In October 2011, Beijing Daxing winter wheat field experiment research. Relevant data: After the above formula 2 is coated with wheat seeds at a ratio of 1:35, the number of cysts in the soil is investigated after harvest, and the control effect can reach about 56%, which is 37.6% higher than that of the blank control. The control effect is about 39%, and the production increase is only 13.0%.

[0053] Case 3: In April 2016, Qinghai Huang mid-spring wheat field demonstration. After the above formula 1 was coated with wheat seeds at a ratio of 1:40, the number of cysts in the soil was investigated during the floweri...

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Abstract

The invention discloses a composite wheat seed coating agent. The composite wheat seed coating agent is prepared from the following raw materials in percentage by weight: 10 to 15 percent of thiamethoxam, 0.5 to 1 percent of methylene dithiocyanate, 0.05 to 0.1 percent of growth regulator, 2 to 7 percent of dispersing agent, 1 to 4 percent of anti-caking agent, 1 to 6 percent of suspending agent, 0.1 to 3 percent of film-forming agent, 1 to 10 percent of filler, 1 to 3 percent of preservative, 0.5 to 5 percent of coloring agent and the balance of deionized water. The invention further provides a preparation method of the composite wheat seed coating agent. The composite wheat seed coating agent and the preparation method thereof provided by the invention have the beneficial effects that the seed coating agent is mainly used for coating wheat seeds; the effective components of thiamethoxam and methylene dithiocyanate are efficient degradable pesticide varieties; before wheat seeding, the seed coating agent coats wheat seeds in the pesticide-seed ratio of 1 to 50, and seeds are sown after being dried in the air in a natural state. The composite wheat seed coating agent has a remarkable control effect on wheat aphids and cyst nematode disease, can effectively lower the base numbers and disease indexes of field aphids and cyst nematodes, and has the advantages of safety, high efficiency, low toxicity, saving of labor and economic efficiency; the pesticide lasting period is prolonged, and the yield is increased by 10 percent or more.

Description

technical field [0001] The invention relates to the technical field of crop planting, in particular to a composite wheat seed coating agent and a preparation method thereof. Background technique [0002] In the process of wheat growth, it is often damaged by a variety of pests and diseases, such as wheat stripe rust, powdery mildew, scab, smut, cyst nematodes, aphids, midges, armyworms, needleworms, grubs, etc. Pests and diseases often occur together, which seriously affects the normal growth of wheat, resulting in decreased wheat yield and quality. At present, the control methods at home and abroad are mainly breeding resistant varieties and chemical control. Seed treatment is an important chemical control technology, such as seed dressing, seed soaking, seed initiation, seed coating and so on. Seed coating is a pesticide formulation composed of pesticides, film-forming agents, fillers, and related auxiliaries. It is a new seed treatment technology developed in the 1980s....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N51/00A01N47/48A01N43/12A01N45/00A01N37/10A01N61/00A01N25/00A01N25/04A01P7/04A01P5/00
CPCA01N51/00A01N25/00A01N25/04A01N37/10A01N43/12A01N45/00A01N47/48A01N61/00
Inventor 李惠霞刘永刚彭德良候生英徐鹏刚
Owner GANSU AGRI UNIV
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