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Composite bactericide and application thereof

A technology for compounding fungicides and fungicides, applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of restricting the application of procymidone, affecting the effective use of procymidone, and lack of therapeutic effect. It is not easy to achieve Insect resistance, unsatisfactory treatment effect, crop safety effect

Inactive Publication Date: 2011-04-13
临沂国力化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, double-resistant strains resistant to both benzimidazole fungicides and procymidone have appeared in the field, which seriously affects the effective use of procymidone
In addition, the lack of sufficient therapeutic effect also limits the application of procymidone

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

[0050] Embodiment 1, a compound fungicide, is made up of 75% procymidone and 25% difenoconazole; above-mentioned % is weight %.

[0051] Above-mentioned compound fungicide is made effective weight content and is the suspending agent (SC) of 80%, promptly contains the compound fungicide of 800g in every L suspending agent, the solvent (glycerol) of 45mL, the auxiliary agent (alkane) of 70mL base naphthalene sulfonate, methyl naphthalene sulfonate sodium formaldehyde condensate and silicone defoamer), and the rest is deionized water. According to the formula requirements, fully mix the above-mentioned original medicine, additives, solvents, deionized water, etc., put it into a high-shear homogeneous emulsifier for high-speed shearing, and then pump it to a sand mill for sanding, and then get a suspension after filtering agent. This suspending agent is hereinafter referred to as 80% rot·benzene SC.

[0052] Field efficacy test:

[0053] The above-mentioned suspending agent (80...

Embodiment 2

[0058] Embodiment 2, a compound bactericide, is made up of 10% procymidone and 90% tebuconazole; above-mentioned % is weight %. Above-mentioned compound bactericide is made effective weight content and is the wettable powder (WP) of 50%, promptly contains the compound bactericide of 500g in every kg powder, the auxiliary agent (sodium lauryl sulfate and lignin sulfonate) of 50g sodium carbonate), light calcium carbonate of 35g, and all the other being kaolin. The original drug, various additives and fillers are fully mixed according to the ratio of the formula, and can be obtained after being pulverized by a superfine pulverizer. This wettable powder (WP) is hereinafter referred to as 50% rottenone WP.

[0059] Field efficacy test:

[0060] The above-mentioned wettable powder (50% rot·penta WP) was used to control eggplant leaf mold. This test is located in the suburb of Zhuji City, each test area is 0.40hm 2 , the test objects were eggplants with the same growth condition...

Embodiment 3

[0066] Embodiment 3, a compound bactericide, is made up of 75% procymidone and 25% propiconazole; above-mentioned % is weight %.

[0067] Above-mentioned compound bactericide is made effective weight content and be the suspension concentrate (SC) of 40%, promptly contain the compound bactericide of 400g in every L suspension concentrate, the solvent (ethylene glycol) of 50mL, the auxiliary agent (fat) of 65mL alcohol polyoxyethylene ether, polyether defoamer and sodium starch phosphate), and the rest is deionized water. According to the formula requirements, fully mix the original drug, additives, solvents, deionized water, etc., put it into a high-shear homogeneous emulsifier for high-speed shearing, and then pump it to a sand mill for sanding, and filter to obtain a suspending agent . This suspending agent is hereinafter referred to as 40% rot-acid SC.

[0068] field efficacy test

[0069] The experiment of tomato early blight was carried out with the above-mentioned susp...

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PUM

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Abstract

The invention discloses a composite bactericide. The composite bactericide comprises the following components in percentage by weight: 5 to 90 percent of procymidone and 10 to 95 percent of component B, wherein the component B is difenoconazole, tebuconazole, triazolone, propiconazol or myclobutanil. The invention also discloses an emulsion-type bactericide which is prepared from the composite bactericide. Each L of the emulsion-type bactericide comprises 50 to 900 g of the composite bactericide. The invention also discloses a powder / grain-type bactericide which is prepared from the composite bactericide. The powder / grain-type bactericide comprises 10 to 90 weight percent of the composite bactericide. The composite bactericide can be used for preventing fungal diseases of vegetables, fruit trees or rape.

Description

technical field [0001] The invention relates to a fungicide, in particular to a compound fungicide for preventing and treating diseases of vegetables, fruit trees and rapeseed. Background technique [0002] Procymidone [procymidone, N-(3,5-dichlorophenyl)-1,2-dimethylcyclopropane-1,2-dicarbonylimide] is effective against Botrytis sp. It has a good control effect on plant diseases caused by various pathogenic fungi such as Alternaria and Alternaria. Studies have shown that the agent inhibits fungal growth by activating the fungal two-component histidine kinase signaling pathway. Phosphorylation levels of OS-2 in fungi such as Botrytis cinerea and Colletotrichumlagenarium increased rapidly after chemical treatment, and the TCHK signaling pathway of the fungi was continuously activated, resulting in a large amount of glycerol accumulation in the fungi. eventually lead to cell death. [0003] Procymidone is a broad-spectrum contact-killing modern protective fungicide launched...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N37/32A01P3/00
Inventor 张传清刘亚慧
Owner 临沂国力化工有限公司
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