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Myclobutanil-contained pesticide composition for preventing wheat head blight and purpose thereof

A pesticide composition and scab technology, applied in the field of pesticides, can solve problems such as decline in use effect, aggravation of drug resistance, environmental pollution of pesticide residues and food safety issues, loss of value of wheat scab control, etc.

Active Publication Date: 2016-06-22
NANJING JIXING BIOTECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] With the long-term and extensive use of these selective fungicides with a single mechanism of action, drug resistance has emerged in the natural pathogenic fungal population, and the use effect has declined year by year
Through nearly 30 years of drug resistance monitoring, the inventor found that Fusarium fungi resistant to carbendazim and other benzimidazole fungicides in East China have formed a dominant group, and commonly used benzimidazoles such as carbendazim and thiophanate Fungicides have basically lost their value in the control of wheat head blight
At the same time, because the ability of drug-resistant bacteria to produce DON toxin is more than 5 times that of sensitive strains, it has increasingly aggravated the harm of wheat head blight and the risk of food safety in China.
In order to reduce yield loss, farmers often double the use of fungicides such as carbendazim, which further exacerbates resistance, pesticide residues, environmental pollution and food safety problems

Method used

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  • Myclobutanil-contained pesticide composition for preventing wheat head blight and purpose thereof
  • Myclobutanil-contained pesticide composition for preventing wheat head blight and purpose thereof
  • Myclobutanil-contained pesticide composition for preventing wheat head blight and purpose thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0125] Embodiment 1: 42% agricultural fungicide suspension concentrate of the present invention controls wheat disease test

[0126] Test time and place: April 2015, Jiangsu Xinyang Farm

[0127] Test material: wheat, variety: Huaimai No. 33.

[0128] experiment method:

[0129] Sample preparation method: Myclobutanil and Jinggangmycin original drug are mixed according to the weight ratio of 1:20, 1:6, 5:16, 5:2 and 6:1, and then processed according to the research V method described in the instruction manual of this application to obtain 42% different proportioning test samples of the agricultural fungicide suspension concentrate of the present invention. Use 25 milliliters, 50 milliliters, 100 milliliters of composition preparations per mu. Spray with water in the early stage of wheat flowering, spray the second medicine every 5 days, and spray 50 kg of water per mu. At the same time, the corresponding dose of wettable powder single agent and sprayed water were used as t...

Embodiment 2

[0134] Embodiment 2: 64% agricultural fungicide wettable powder of the present invention controls wheat disease test

[0135] Test time and place: April 2015, Jiangsu Yanjiang Agricultural Science Institute (Rugao)

[0136] Test material: wheat. Variety: Yangmai No.4.

[0137] Test method: Mix myclobutanil and Jinggangmycin at a weight ratio of 1:1, and prepare a 64% wettable powder test sample according to the method of research VII described in the specification of this application. The agricultural fungicide wettable powder of the present invention with the active ingredient content of Jinggangmycin and myclobutanil of 4 to 20 grams is used respectively per mu. Spray water at the early flowering stage of Yangmai No. 4 wheat, and spray the second medicine every 5 days, with a water spray volume of 45 kg per mu. Use the dosage of 20% single agent wettable powder in mixed use and spray clear water as contrast, set 50% polyketone wettable powder 60 g / mu as contrast agent. E...

Embodiment 3

[0142] Embodiment 3: 15% agricultural fungicide wettable powder of the present invention prevents and treats wheat diseases and reduces toxin pollution test

[0143] Test time and place: In April 2015, Jiangsu Yanjiang Agricultural Science Institute (Rugao), the test was arranged in the same field as Example 2.

[0144] Test material: wheat. Variety: Yangmai No.4.

[0145] Test method: mix according to the weight ratio of myclobutanil and Jinggangmycin original drug at 1:1, add 10% kaolin carrier by weight, 2% sodium lignosulfonate additive, 2% carboxymethyl cellulose, 1% Alkylphenol polyoxyethylene ether phosphate and 2% polyvinyl alcohol, finally add light calcium carbonate carrier to 100%, pulverize through a sand mill and pass through a 300 mesh sieve to prepare the agricultural fungicide of the present invention with a content of 15% Wettable powder test samples. Wettable powders containing 20, 15, and 6 grams of active ingredients of Jinggangmycin and myclobutanil wer...

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Abstract

The invention relates to myclobutanil-contained pesticide composition for preventing wheat head blight and purposes thereof. The myclobutanil-contained pesticide composition contains 1-120 parts of validamycin, and 1-50 parts of myclobutanil. The pesticide composition for preventing wheat head blight has significant effect, and damage caused by head blight can be effectively controlled by only 10-40 grams of effective components per mu. The myclobutanil-contained pesticide composition for preventing wheat head blight has the advantages that pollution level of grain DON toxin can be significantly lowered, food safety is ensured, usage and cost are reduced, and environment pollution and pesticide residue are alleviated; resistance to pesticide is alleviated, effective duration of the validamycin is prolonged, powdery mildew, rust disease, leaf blight and banded sclerotial blight can be treated at the same time, and labor cost of pesticide application is reduced.

Description

【Technical field】 [0001] The invention belongs to the technical field of pesticides. More specifically, the present invention relates to a pesticide composition for preventing and treating wheat head blight, and also relates to the use of the pesticide composition. 【Background technique】 [0002] Wheat and barley are the most important cultivated cereal crops in the world and one of the main food crops in China. Cereal crops are often threatened by fungal diseases such as smut, head blight, powdery mildew, sheath blight, rust and leaf blight. These diseases occur in the cereal growing areas of the world, seriously affecting the yield and quality of cereal agricultural products, especially the wheat head blight caused by Fusarium can not only cause devastating yield loss, but also in infected grains Produces toxins such as deoxynivalenol (Trichothecenes, DON) and zearalenone (Zearalenon), which seriously affects the quality of food such as fermentation and wine making, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N43/16A01P3/00
CPCA01N43/16A01N43/653A01N2300/00
Inventor 潘建碧周明国段亚冰王建新侯毅平
Owner NANJING JIXING BIOTECH DEV CO LTD
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