Composite bactericide and application thereof

A technology of compound fungicides and additives, applied in the directions of fungicides, applications, biocides, etc., can solve problems such as unsatisfactory effects, delay the drug resistance and drug resistance of bacteria, reduce environmental pollution, and improve the control effect. Effect

Active Publication Date: 2021-08-31
QINGDAO HANSEN BIOLOGIC SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When pyraclostrobin and cymoxanil are used alone, there are certain defects and limitations
At present, there is no compound drug about the two, and the effect of other fungicide combinations is not very ideal.

Method used

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  • Composite bactericide and application thereof
  • Composite bactericide and application thereof
  • Composite bactericide and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Example 1: 51% pyraclostrobin · cymoxanil suspension concentrate

[0053] Ratio: pyraclostrobin 1%, cymoxanil 50%, sodium dodecyl sulfonate 2%, sodium lignosulfonate 2%, carboxymethyl cellulose 0.2%, magnesium aluminum silicate 0.1%, Defoamer 0.1%, water make up 100%.

Embodiment 2

[0054] Example 2: 22% pyraclostrobin · cymoxanil suspension concentrate

[0055] Ratio: pyraclostrobin 2%, cymoxanil 20%, sodium dodecyl sulfonate 2%, sodium lignosulfonate 2%, carboxymethyl cellulose 0.2%, magnesium aluminum silicate 0.1%, Defoamer 0.1%, water make up 100%.

Embodiment 3

[0056] Example 3: 18% pyraclostrobin · cymoxanil water dispersible granules

[0057] Ratio: pyraclostrobin 3%, cymoxanil 15%, sodium lignosulfonate 3%, polyvinyl acetate 3%, ammonium sulfate 5%, kaolin supplement 100%.

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Abstract

The invention provides a composite bactericide and application thereof, belongs to the technical field of agricultural bactericides, and can obviously improve the disease control effect, enlarge the sterilization range, reduce the dosage of effective components, save the pesticide cost, reduce the environmental pollution and delay the occurrence of drug resistance and drug resistance of germs. The composite bactericide comprises effective components and auxiliary components, wherein the effective components are isopyrazam and cymoxanil, the weight ratio of the isopyrazam to the cymoxanil is 50:1-1:50, and the weight percentage of the effective components of the isopyrazam and the cymoxanil accounts for 10%-80% of the total weight of the composite bactericide; the auxiliary components comprise a carrier and an auxiliary agent, wherein the carrier is any one or more of water or filler, and the auxiliary agent at least comprises a surfactant. The composite bactericide can effectively prevent and treat oomycetes diseases, and especially has a very good prevention and treatment effect on downy mildew and late blight.

Description

technical field [0001] The invention belongs to the technical field of agricultural fungicides, in particular to a composite fungicide and its application. Background technique [0002] Downy mildew is a plant disease caused by downy mildew infection. It belongs to fungal disease. It is a common fungal disease of open field and protected crops. It likes high temperature and high humidity environment. In recent years, the planting area of ​​greenhouses has increased year by year, and the spread of downy mildew has aggravated the occurrence of downy mildew. At present, the conventional control method is continuous application of conventional fungicides, but this control method will lead to an increase in the resistance of the bacteria, which in turn will increase the difficulty of control. Vegetable farmers have to increase the dosage of pesticides and increase the frequency of pesticide application, so that the pesticide residues in vegetables exceed the standard, and at the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/56A01N47/34A01P3/00
CPCA01N43/56A01N47/34
Inventor 刘希玲张黎辉王晓萍赵妹
Owner QINGDAO HANSEN BIOLOGIC SCI
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