Bactericidal composition containing fludioxonil

A technology of fludioxonil and its composition, which is applied in the field of agricultural fungicides, can solve the problems of unfavorable environmental sustainable development, disease resistance, and shortened duration of efficacy, so as to delay the occurrence and development of pathogenic drug resistance, prolong the Use effect, effect of improving safety

Inactive Publication Date: 2014-03-26
陕西亿田丰作物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Long-term use of a single agent of fludioxonil can easily cause disease resistance, leading to problems such as increas

Method used

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  • Bactericidal composition containing fludioxonil
  • Bactericidal composition containing fludioxonil
  • Bactericidal composition containing fludioxonil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 180

[0084] Example 180% carbendazim · fludioxonil wettable powder control efficacy test of wheat powdery mildew

[0085] 70% carbendazim, 10% fludioxonil, 3% polycarboxylate, 3% sodium lauryl sulfate, 2% silkworm excrement, and diatomaceous earth are added to 100%, and the mixture is jet milled to obtain 80% Carbendazim · Fludioxonil wettable powder. The proportion is diluted and sprayed at 30 g / mu, sprayed at the early stage of the disease, sprayed once every 7 days, and sprayed twice in total. 7 days and 14 days after the last spraying, the disease index was investigated and the control effect was calculated. 7 days and 14 days after application, the effects of preventing and treating wheat powdery mildew were 91.5% and 97.2%, respectively. The 50% carbendazim wettable powder and the 50% fludioxonil wettable powder followed the same method, respectively at 100 g / mu and 15 g / mu diluted use, 14 days after the drug control effect were 64.5% and 68.3%.

[0086] In this embodimen...

Embodiment 240

[0087] Example 240% propiconazole · fludioxonil aqueous emulsion control efficacy test of banana leaf spot

[0088] 30% propiconazole, 10% fludioxonil, 8% acetone, 4% n-octanol, 5% alkylphenol polyoxyethylene ether phosphate, 3% polyethylene glycol, 5% calcium alkylbenzenesulfonate, Add 2% sodium chloride and deionized water to 100%, and mix to prepare 40% propiconazole·fludioxonil aqueous emulsion. The ratio is 2500 times diluted and sprayed, sprayed at the early stage of the disease, sprayed once every 7 days, and sprayed 3 times in total, and investigated the disease index and calculated the control effect 7 days and 14 days after the last spraying. The effects of preventing and treating banana leaf spot 7 days and 14 days after the application were 91.8% and 95.6%, respectively. 25% propiconazole EC and 50% fludioxonil wettable powder were diluted 800 times and 3500 times respectively in the same way. After 14 days, the control effects were 66.4% and 69.6%, respectively. ...

Embodiment 348

[0090] Example 348% Cyclostrobin Fludioxonil Suspension Concentrate Control Rice Sheath Blight Drug Efficacy Test

[0091]Cyclostrobin 40%, Fludioxonil 8%, Polycarboxylate 3%, Lignosulfonate 2%, Sodium Dodecyl Benzene Sulfonate 3%, Xanthan Gum 0.5%, Polyethylene Glycol 4 %, deionized water was added to 100%, and mixed to prepare 48% cyclostrobin · fludioxonil suspension. The proportion is diluted and sprayed at 30 g / mu, sprayed at the early stage of the disease, sprayed once every 7 days, and sprayed 3 times in total. 7 days and 14 days after the last spraying, the disease index was investigated and the control effect was calculated. 7 days and 14 days after the medicine, the effects of preventing and controlling rice sheath blight were 91.7%, 96.1%, respectively, and 25% cyclostrobin suspension concentrate and 50% fludioxonil wettable powder followed the same method, respectively pressing 120 grams / mu and 15 Diluted in grams / mu, the control effects were 70.8% and 71.2% 14 da...

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Abstract

The invention discloses a bactericidal composition which contains synergistic effective-dose fludioxonil and one of propiconazole, carbendazim, thiram, 2-cyano-3-phenyl-3-amino ethyl acrylate, cyprodinil and polyoxin. The weight part ratio of two active ingredients in the bactericidal composition is 50:1-1:50. The bactericidal composition at least contains a surfactant to facilitate dispersion of the active ingredients in water. The bactericidal composition has actions of protection, treatment and activity eradication, can be used for a variety of crops such as wheat, paddy rice, vegetables, fruit trees and the like, and prevents and cures plant diseases caused by pathogenic bacteria of ascomycotina, basidiomycotina and deuteromycotina.

Description

[0001] This application is a divisional application. The original application is a patent application "a fungicidal composition containing fludioxonil" of Shaanxi Welch Crop Protection Co., Ltd. The original application number is: 201010600650.1, and the original application date is 2010.12.22 . technical field [0002] The invention belongs to the field of agricultural fungicides and relates to the preparation and application of a fungicidal composition containing fludioxonil. Background technique [0003] Fludioxonil is an azole fungicide. Molecular formula is C12H6F2N2O2, chemical name: 4-(2,2-difluoro-1,3-benzodioxol-4-yl)-1-hydrogen-pyrrole-3-carbonitrile. [0004] Fludioxonil is a broad-spectrum contact fungicide, which is used as a foliar fungicide to prevent Fusarium nivale, wheat smut, and blight, and has special effects on gray mold; it is used as a seed treatment agent, It can prevent and control most of the seed-borne and soil-borne fungal diseases. It is stab...

Claims

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Application Information

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IPC IPC(8): A01N47/12A01P3/00A01N43/36
Inventor 张伟高超曹巧利
Owner 陕西亿田丰作物科技有限公司
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