Fungicide composition of pyrimethamine sulfonate and pyraclostrobin

A technology of pyrithrimolsulfonate and kresoxim-methyl, which is applied in the direction of fungicides, biocides, biocides, etc., can solve problems such as inability to achieve treatment and resistance of plant diseases, and achieve improved drug efficacy and field application. The effect of reducing the quantity and reducing the pressure of single selection

Inactive Publication Date: 2011-11-30
LONGDENG CHEM XIAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Due to the long-term use of single agents such as pyrithrimolsulfonate and kresoxim-methyl, it is easy to cause resistance to plant diseases and the purpose of treatment cannot be achieved.

Method used

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  • Fungicide composition of pyrimethamine sulfonate and pyraclostrobin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1 70% pyrithrimolsulfonate Kresstrobin wettable powder

[0030] 20% of pyridilsulfonate, 50% of azoxystrobin, 5% of polycarboxylate, 3% of sodium lauryl sulfate, 2% of saponin powder, 100% of kaolin supplemented by jet milling to obtain 70% Pyrimolsulfonate · Kresstrobin wettable powder.

[0031] The formula is used to prevent and control cucumber powdery mildew. The dilution factor is 4000 times and the effect is 75.5% 7 days after application. And single agent 25% pyridyl sulfonate microemulsion is diluted by 1500 times and 60% kresoxim-methyl water dispersible granule is diluted by 1000 times. The efficiency is 56.8% and 46.4% respectively.

Embodiment 2

[0032] Example 2 60% pyridyl sulfonate Kresstrobin wettable powder

[0033] 20% pyridil sulfonate, 40% kresoxim-methyl, 5% polycarboxylate, 3% sodium lauryl sulfate, 8% white carbon black, 100% kaolin supplement, mixed by airflow milling to obtain 60% Pyrimolsulfonate · Kresstrobin wettable powder.

[0034] The formula is used to prevent and control cucumber powdery mildew. The dilution factor is 4000 times and the control effect is 71.3% 7 days after application. And single agent 25% pyridilsulfonate suspension concentrate is diluted by 1500 times and 60% kresoxim-methyl water dispersible granule is diluted by 1000 times. The efficiency is 57.7% and 41.4% respectively.

Embodiment 3

[0035] Example 3 55% pyridyl sulfonate Kresstrobin wettable powder

[0036] 25% pyridilsulfonate, 30% kresoxim-methyl, 5% silkworm excrement, 3% lignosulfonate, 12% white carbon black, 100% attapulgite and mixed with air-flow milling to obtain 55% ethyl alcohol Pyrimidin sulfonate·Kysstrobin wettable powder.

[0037] The formula is used to prevent and control cucumber powdery mildew, and the dilution factor is 3000 times for spraying, and the control effect is 67.5% after 7 days of application. And single agent 25% pyridilsulfonate suspension concentrate is diluted by 1500 times and 60% kresoxim-methyl water dispersible granule is diluted by 1000 times. The efficiency is 57.6% and 53.4% ​​respectively.

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Abstract

The invention discloses a fungicidal composition containing pyridyl sulfonate and kresoxim-methyl, wherein the weight ratio of pyridyl sulfonate and kresoxim-methyl is (1-60): (70-1), preferably (1-30): (40-1), most preferably (1-10): (20-1). The bactericidal composition of the present invention broadens the application range of the medicament, prolongs the effective period, improves the drug effect, reduces the dosage of the mixed agent, greatly improves the drug effect, and reduces the production cost; after compounding, it has obvious synergistic effect, can Delaying the drug resistance of pathogens, reducing drug damage, causing less damage and pollution to the ecological environment, is conducive to protecting the safety of humans and animals, and can be used to prevent and control crop powdery mildew.

Description

technical field [0001] The invention relates to a fungicidal composition containing effective active ingredients pyridyl sulfonate and kresoxim-methyl, and belongs to the technical field of compound pesticides. Background technique [0002] Acrimolsulfonate, chemical name: 5-butyl-2-ethylamino-6-methylpyrimidin-4-yl dimethylaminosulfate, English common name: Bupirimate, molecular formula: C 13 h 24 N 4 o 3 S, molecular weight: 316.42, CAS number: 41483-43-6, light brown waxy solid, melting point 51~51°C, vapor pressure 0.067 MPa (20°C). Solubility at room temperature: 23mg / L in water (pH value 5.2), soluble in most organic solvents, hydrolyzed by enoic acid, unstable when stored above 37°C for a long time. The drug is a pyrimidine systemic fungicide, and its mechanism of action is an adenosine deaminase inhibitor. It has protective and therapeutic effects, and can be quickly absorbed by plant roots, stems, and leaves, and transported to various parts of the plant. There...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N37/50A01P3/00
Inventor 王新安何梅侠周小军董彪
Owner LONGDENG CHEM XIAN
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