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Bactericidal composition

A composition, the technology of flufenapyramide, applied in the field of pesticides, can solve the problems of pesticide abuse, severe environmental pressure, and increased use of pesticides

Inactive Publication Date: 2018-12-28
东莞市东阳光菌阳氢专利农药有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as far as the current situation in our country is concerned, due to the low popularity of scientific knowledge and environmental protection awareness, the abuse of pesticides in agricultural production is serious, causing many diseases to become more and more resistant to pesticides, resulting in an increase in the use of pesticides year by year. so that the environmental pressure is getting more and more serious

Method used

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  • Bactericidal composition
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Examples

Experimental program
Comparison scheme
Effect test

preparation example 110

[0114] Preparation Example 1 Preparation of 10% Dichlobentiazox·flufenapyramide EC

[0115] Add 7.5g of Dichlobentiazox and 2.5g of flufenapyroxad to a mixed solvent of 30g of cyclohexanone (Aladdin’s reagent) and 50g of aromatics 200# (Yangzhou Tianda Chemical Industry Co., Ltd.), and use an ultrasonic cleaner to vibrate for 5 minutes until the original drug is completely dissolve. Then emulsifier 601# (triphenylethylphenol and ethylene oxide adduct, Xingtai City Yancheng Chemical Auxiliary Co., Ltd.) 6g, emulsifier BY-110 (castor oil polyoxyethylene ether, Xingtai City Yancheng Chemical Auxiliary Co., Ltd.) 4g was added to the above solution and stirred evenly to prepare an emulsifiable concentrate with a mass content of 10% active ingredient.

preparation example 225

[0116] Preparation Example 2 Preparation of 25% Dichlobentiazox·flufenapyramide aqueous emulsion

[0117] ①Oil phase preparation

[0118] Add 20g of Dichlobentiazox original drug and 5g of flufenapyramide into a mixed solvent of 20g of aromatic solvent 200# (Yangzhou Tianda Chemical Industry) and 10g of HMK-150 (environmentally friendly polyalcohol ether solvent, Beijing Hammock), and then emulsify Agent BY-110 (castor oil polyoxyethylene ether, Xingtai Yancheng Chemical Auxiliary Co., Ltd.) 4g, Nongru 1601# (tristyrylphenol polyoxyethylene polyoxypropylene ether, Xingtai Yancheng Chemical Auxiliary Co., Ltd. Company) 2g was added and stirred slowly until completely dissolved.

[0119] ②Water phase preparation

[0120] 4 g of ethylene glycol (Aladdin's reagent), 0.2 g of an antifoaming agent (AFE-1520, Dow Corning) and 34.8 g of water were stirred evenly.

[0121] ③Water-emulsion formulation of the composition

[0122] Slowly add the oil phase to the water phase, and conti...

preparation example 330

[0123] Preparation Example 3 Preparation of 30% Dichlobentiazox·flufenapyramide suspension

[0124] ① Preparation of pre-crushed slurry

[0125] Dichlobentiazox technical 15g, flufenapyramide 15g, dispersant Agrilan 788 (anion-modified carboxylic acid copolymer, AkzoNobel) 2g, TERSPERSE 2500 (comb structure polymer compound, Huntsman) 3g, wetting agent GY- Mix 2g of WS10 (polyether, Beijing Guangyuan Yinong), 0.4g of water-based defoamer AFE-1520 (Dow Corning), 0.5g of magnesium aluminum silicate (Aladdin reagent) and 42.6g of deionized water, and then disperse with high speed Machine (IKA, Germany) sheared at high speed for 10 minutes to prepare pulverized slurry.

[0126] ②Sand grinding slurry preparation

[0127] All the pre-crushed slurry obtained in step ① is transferred to a sand mill (Jiangsu Changzhou Zhuoying Drying Co., Ltd.) The glass beads were wet crushed for 2 hours until the particle size of the slurry was about 3um, and a sand-milled uniform slurry was obta...

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Abstract

The invention relates to a bactericidal composition, in particular to a bactericidal composition containing Dichlobentiazox and fluxapyroxad, a preparation prepared from the bactericidal composition and application of the preparation. The mass ratio of the Dichlobentiazox to the fluxapyroxad in effective components of the bactericidal composition is (1-10) to (5-1), and the total quantity of the Dichlobentiazox and the fluxapyroxad in the bactericidal composition is 1-90% by mass. Compared with a single bactericide, the bactericidal composition disclosed by the invention shows clear synergistic effects of preventing and treating of rice blast. The bactericidal composition and the preparation disclosed by the invention are also suitable for preventing and treating of anthrax, powdery mildew, gray mold, rust, scab, leaf spot or downy mildew.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a bactericidal composition containing Dichlobentiazox and flufenapyramide. Background technique [0002] Dichlobentiazox (test code KIF-1629) is a benzothiazole fungicide developed by Japan Combination Chemical Industry Co., Ltd., which is mainly used to prevent and control rice diseases. The CAS registration number is 957144-77-3, and its structural formula is as follows: [0003] [0004] Flufenapyramide is a bifenpyrazole amide fungicide discovered by BASF. It has high efficiency, broad spectrum, long-lasting effect, strong selectivity and excellent systemic conductivity, and has both preventive and therapeutic effects. It can inhibit spore germination, spore tube elongation, mycelium growth and spore formation, and can effectively prevent and control major diseases of cereals, soybeans, corn, rapeseed, fruit trees, vegetables, sugar beets, peanuts, cotton, lawns and sp...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/56A01P3/00
CPCA01N43/56A01N43/80
Inventor 李义涛鲍中斌梁任龙刘新烁刘杨润琦董江强
Owner 东莞市东阳光菌阳氢专利农药有限公司
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