Agricultural compound fungicide

A technology of compounding fungicides and fungicides, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of not keeping up with the speed of pathogen resistance, long development cycle, and high development cost, and achieves the goal of overcoming and The effect of bacterial resistance, long lasting effect and good control effect

Inactive Publication Date: 2013-02-13
青岛润生农化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the development cost of new active ingredients is high, the development cycle is long, and it can never keep up with the speed of resistance of bacteria
Other methods, such as crop layout adjustment, rotation of different pesticides, etc., are difficult to achieve obvious effects in actual operation.

Method used

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  • Agricultural compound fungicide
  • Agricultural compound fungicide
  • Agricultural compound fungicide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Example 1: (50% pyraclostrobin · amphetamine wettable powder) 1:2.6

[0051] Components and content: pyraclostrobin, 14%; fenfen, 36%; wetting agent sodium lauryl sulfate, 5%; dispersant calcium lignosulfonate, 8%; Carbon black, 18%, kaolin, balance.

Embodiment 2

[0052] Example 2: (70% pyraclostrobin · amphetamine wettable powder) 1:6

[0053] Components and content: pyraclostrobin, 10%; fenfen, 60%; wetting agent, sodium dodecylbenzene sulfonate, 3%; dispersing agent, calcium alkylbenzene sulfonate, 7%; Emulsifier Nongru 400#, 5%; white carbon black, 10% as filler, light calcium carbonate, balance.

Embodiment 3

[0054] Example 3: (11% pyraclostrobin · amphetamine wettable powder) 1:0.1

[0055] Components and content: pyraclostrobin, 10%; fenfen, 1%; the wetting agent is pull-open powder BX, sodium dodecylbenzene sulfonate and wetting and penetrating agent F, the dosages are respectively 3%, 5%, and 1%; the dispersant is polycarboxylate and glycerin fatty acid ester polyoxyethylene ether, the dosage is 17 and 13% respectively; the emulsifier is nonylphenol polyoxyethylene ether phosphate and fatty alcohol The dosage of polyoxyethylene ether is 7% and 3% respectively; diatomite, 20% and starch, the balance are selected as fillers.

[0056] The preparation method of the above-mentioned examples 1-3 is as follows: according to the components provided in the examples and their weight percentages, adding the active ingredients amfenpyrone and pyraclostrobin into the filler, adding a wetting agent, dispersing Agents, emulsifiers and other additives, mixed evenly, after jet milling and then...

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Abstract

The invention belongs to the field of agricultural fungicide and particularly relates to an agricultural compound fungicide. The effective components of the fungicide are pyraclostrobin and fenpyrazamine which are compounded. The weight ratio of the two components is 1: 0.1-10, preferably, 1: 2-3. The prepared fungicide expands fungicide spectrum and has high activity on botrytis cinerea, rhizoctonia, puccinia, ustilago, tilletia, corticium, pyrenophora and other pathogenic fungi, and is remarkable in synergy which is not simple composition of activity of the components. The fungicide is strong in preventive treatment efficacy, long in effect lasting time, small in resistance risk and capable of reducing field usage of effective components, reducing production and using cost and reducing fungicide residue and environment pollution. The fungicide is favorable for overcoming and delaying production of bacteria drug resistance and is safe for crops due to effective components with different action mechanisms.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides, in particular to an agricultural compound fungicide. Background technique [0002] With the promotion and extensive use of pesticides, fungicides with a single active component have a narrow range of fungicides in the control of agricultural fungicides, poor control effects, large application doses, easy to produce drug resistance and phytotoxicity, frequent applications, and aggravated Many disadvantages such as environmental pollution have obviously led to a large reduction in crop production and a substantial increase in production costs. One way to control agriculturally resistant pathogens is to introduce new ingredients that are not cross-resistant with existing varieties. However, the development cost of new active ingredients is high, the development cycle is long, and the speed of resistance of bacteria can never be kept up. Other methods, such as crop layout adjustment, rotation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01N47/16A01P3/00
Inventor 任西财吴本林孙丕松邵彦坡
Owner 青岛润生农化有限公司
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