Ternary compound bactericidal composition and application thereof

A kind of composition, the technology of metconazole, applied in the field of pesticides, can solve problems such as large difference in activity spectrum

Active Publication Date: 2014-09-10
JIANGSU SEVENCONTINENT GREEN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the mechanism of action is the same as that of other triazole fungicides, the activity spectrum is quite different

Method used

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  • Ternary compound bactericidal composition and application thereof
  • Ternary compound bactericidal composition and application thereof
  • Ternary compound bactericidal composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1 55% pyraclostrobin · metconazole · carbendazim water dispersible granules

[0026] The raw material formula of water-dispersible granules is shown in Table 1, wherein the disintegrant is cross-linked polyvinylpyrrolidone and low-substituted hydroxymethylcellulose (2:1 by weight), the binder is starch, and the filler is diatomaceous earth.

[0027] The preparation method of water-dispersible granules is as follows: pre-mix and re-mix all the materials except the binder according to the formula, pulverize through the jet mill, then transfer to the kneader, add water and binder to knead, extrude to granulate, and dry , that is.

[0028] The technical indicators of water-dispersible granules are as follows: suspension rate ≥ 90%; disintegration time ≤ 45s; wetting time ≤ 60s; moisture ≤ 2.5%; pH value 6.0-9.0; sieve) ≥ 98%; persistent foaming (after 1 min) ≤ 25ml; particle size range (0.8mm ~ 1.5mm) ≥ 97%; 54 ± 2 ℃ heat storage after 2 weeks suspension rate ≥ 85%...

Embodiment 2

[0029] Example 2 70% pyraclostrobin · metconazole · carbendazim water dispersible granules

[0030] The raw material formula of the water-dispersible granules is shown in Table 1, wherein the disintegrant is croscarmellose sodium, the binder is dextrin, and the filler is kaolin.

[0031] The preparation method of the water-dispersible granules is the same as in Example 1, and the technical indicators are as follows: suspension rate ≥ 90%; disintegration time ≤ 45s; wetting time ≤ 60s; water content ≤ 2.5%; pH value 6.0-9.0; dispersibility ≥ 85%; Sieve analysis (through 75μm sieve)≥98%; persistent foaming property (after 1min)≤25ml; particle size range (0.8mm~1.5mm)≥97%; suspension rate≥85% after heat storage at 54±2℃ for 2 weeks .

Embodiment 3

[0032] Example 3 60% pyraclostrobin · metconazole · carbendazim water dispersible granules

[0033] The raw material formula of the water-dispersible granules is shown in Table 1, wherein the disintegrant is low-substituted hydroxypropyl cellulose, the binder is dextrin, and the filler is bentonite.

[0034] The preparation method of the water-dispersible granules is the same as in Example 1, and the technical indicators are as follows: suspension rate ≥ 90%; disintegration time ≤ 45s; wetting time ≤ 60s; water content ≤ 2.5%; pH value 6.0-9.0; dispersibility ≥ 85%; Sieve analysis (through 75μm sieve)≥98%; persistent foaming property (after 1min)≤25ml; particle size range (0.8mm~1.5mm)≥97%; suspension rate≥85% after heat storage at 54±2℃ for 2 weeks .

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Abstract

The invention relates to a ternary compound bactericidal composition and application thereof. The ternary compound bactericidal composition is composed of an active ingredient and a pesticide preparation auxiliary component, wherein the active ingredient is formed by compounding pyraclostrobin, metconazole and carbendazim together in a weight ratio of (0.05-1): (0.05-1.5): 1; and the pesticide preparation auxiliary component comprises compound sodium nitrophenolate accounting for 0.05-2% of the composition in mass percent. The ternary compound bactericidal composition is formed by compounding pyraclostrobin, metconazole and carbendazim together in a special ratio, thereby achieving very obvious synergistic interaction effect; and provided by lots of experiments, after compounding, toxicity on the mammal is not increased. Besides, the applicant further finds out the compounding effect of pyraclostrobin, metconazole and carbendazim can be further promoted in the special form of wetting dispersant and wetting dispersing agent according to the invention; and therefore, the synergistic effect of the three ingredients is developed to an utmost extent.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a ternary compound bactericidal composition and its application. Background technique [0002] Pyraclostrobin is a new broad-spectrum fungicide. Mechanism: It is an inhibitor of mitochondrial respiration. That is, it prevents electron transfer in the synthesis of cytochrome bcl. It has the functions of protection, treatment and leaf penetration. The field efficacy test results of pyraclostrobin EC show that it has good control effects on cucumber powdery mildew, downy mildew, banana scab and leaf spot. [0003] Carbendazim (English common name carbendazim), chemical name: N-(2-benzimidazolyl)-methyl carbamate, is a highly efficient and low-toxic systemic fungicide with systemic treatment and protection. By interfering with the formation of the spindle in the mitosis of pathogenic bacteria, affecting cell division, it has a bactericidal effect. Carbendazim is a broad-spectrum fungici...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/24A01N47/18A01N43/653A01P3/00
Inventor 鞠晓东李群许永进钱海宾
Owner JIANGSU SEVENCONTINENT GREEN CHEM CO LTD
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