A compound bactericide for controlling plant powdery mildew

A technology for compounding fungicides and powdery mildew, applied in the field of pesticides, can solve problems such as drug resistance and effect decline, and achieve the effects of many sites, low cost, and high biological safety.

Active Publication Date: 2009-04-15
江西正邦作物保护股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the frequent use of drugs for disease prevention and control, large-area, high-dose, long-term use of a single systemic agent is prone to resistance of pathogenic bacteria to the drug
For example, after triadimefon was introduced into Xinjiang for the prevention and control of cantaloupe powdery mildew, the effect declined rapidly in a short period of time

Method used

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  • A compound bactericide for controlling plant powdery mildew
  • A compound bactericide for controlling plant powdery mildew
  • A compound bactericide for controlling plant powdery mildew

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The preparation of embodiment 1 composite wettable powder

[0023] 50% difenoconazole · chlorothalonil (1:10) wettable powder: take 4.75 parts of 96% difenoconazole, 49.4 parts of 92% chlorothalonil, add 2 parts of sodium lignosulfonate, CMC 1.5 Parts, 5 parts of sodium dodecylbenzenesulfonate, 37.3 parts of light calcium. After mixing and stirring, enter the primary crushing (coarse grinding, the particle fineness reaches 50 mesh sieve); after further mixing and stirring, enter the secondary crushing (jet milling, particle fineness reaches 325 mesh sieve); package as a product.

Embodiment 2

[0024] The preparation of embodiment 2 composite wettable powder

[0025] 50% difenoconazole · chlorothalonil (1:4) wettable powder: take 10.42 parts of 96% difenoconazole, 43.48 parts of 92% chlorothalonil, add 2 parts of sodium lignosulfonate, CMC 1.5 Parts, 5 parts of sodium dodecylbenzenesulfonate, 37.6 parts of light calcium. After mixing and stirring, enter the primary crushing (particle fineness reaches 50 mesh sieve); after further mixing and stirring, enter the secondary crushing (particle fineness reaches 325 mesh sieve); pack as a product.

Embodiment 3

[0026] The preparation of embodiment 3 composite wettable powder

[0027] 50% difenoconazole · chlorothalonil (1:16) wettable powder: take 3.07 parts of 96% difenoconazole, 51.15 parts of 92% chlorothalonil, add 2 parts of sodium lignosulfonate, CMC 1.5 Parts, 5 parts of sodium dodecylbenzenesulfonate, 37.28 parts of light calcium. After mixing and stirring, enter the primary crushing (particle fineness reaches 50 mesh sieve); after further mixing and stirring, enter the secondary crushing (particle fineness reaches 325 mesh sieve); pack as a product.

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Abstract

The invention relates to a pesticide for preventing plant powdery mildew, wherein the invention comprises active component, stuff and agent; the active component is formed by triazole pesticide and protector. The invention has 90% protecting effect and treatment effect, with low cost.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to a compound fungicide for preventing and treating plant powdery mildew. Background technique [0002] Phytopathogenic fungus powdery mildew is an absolute specialized parasite. After infecting plants, it expands in the green part of the plant, and its propagules grow on the outside of the plant to form a white powder layer. In addition to absorbing plant nutrients, it also affects the photosynthesis of plants, resulting in Plants weaken or die. Cucumber powdery mildew (Sphaerotheca fuliginea) belongs to ascomycete, which occurs all the year round, and the disease is easy to spread under high temperature and high humidity conditions. The pathogen has a wide range of parasitism, involving melons and other crops. In agricultural production, chemical agents are used for prevention and control, such as protective agents chlorothalonil, thiram, sulfur, and carbendazim; systemic agents such a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01P3/00A01N59/00
Inventor 马志强张小风潘文亮王文桥韩秀英李红霞
Owner 江西正邦作物保护股份有限公司
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