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Bactericidal composition

One kind of composition and another kind of technology, applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of easy resistance of bacteria, high price, and not wide enough bactericidal spectrum, so as to reduce the amount of pesticides used in the field, reduce the Production and use costs, effects of overcoming disease resistance

Inactive Publication Date: 2010-04-07
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the relative price is relatively high when used alone, the bactericidal spectrum is not wide enough, and bacteria are prone to drug resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1: 51% Cyprodinil · Dithofencarb Suspension Concentrate

[0044] Cyprodinil 50%

[0045] Dimethocarb 1%

[0046] Sodium methylnaphthalenesulfonate formaldehyde condensate (dispersant) 10%

[0047] Xanthan gum (thickener) 2%

[0048] Bentonite (carrier) 1%

[0049] Glycerol (antifreeze) 1%

[0050] Water Make up to 100%.

[0051] The active ingredient (in this application document refers to any one of cyprodinil and dimethocarb, pyrimethanil, sclerotin, sclerotin, and sclerotin, and will not be described in detail below) the original drug, dispersant, moisturizer The wet agent, water and other components are uniformly mixed according to the ratio of the formula, and after grinding and / or high-speed shearing, a 51% cyprodinil·diethofencarb suspension is obtained.

[0052] This embodiment is applied to the prevention and treatment of gray mold of cucumber. Dilute and spray 51% cyprodinil Dithofocarb suspension 1000 times (the effective concentration of cypro...

Embodiment 2

[0053] Example 2: 20.4% cyprodinil·sacridine aqueous emulsion

[0054] Cyprodinil 0.4%

[0055] Acetyl 20%

[0056] N-methylpyrrolidone (solvent) 10%

[0057] Calcium dodecylbenzenesulfonate (emulsifier) ​​5%

[0058] Nongru 600# (emulsifier) ​​5%

[0059] Water make up to 100%

[0060] Add the original drug (the original drug in this application document refers to the chemically synthesized, unprocessed active ingredient, which will not be described in detail below), solvent, and emulsifier together to dissolve into a uniform oil phase; under high-speed stirring, add the oil phase Mix evenly in water to prepare 20.4% cyprodinil·sacridine emulsion in water.

[0061] This embodiment is applied to the prevention and treatment of gray mold of cucumber. Dilute and spray 20.4% cyprodinil·sacridine water emulsion 500 times (the effective concentration of cyprodinil is 8 μg / ml, and the effective concentration of sacridine is 400 μg / ml) with water, and spray it 7 days and 15 day...

Embodiment 3

[0062] Embodiment 3: 25% cyprodinil · sacralin microemulsion

[0063] Cyprodinil 5%

[0064] Acetyl 20%

[0065] N-methylpyrrolidone (solvent) 10%

[0066] Isopropanol (co-solvent) 15%

[0067] Nongru 500# (emulsifier) ​​5%

[0068] Nongru 1601# (emulsifier) ​​5%

[0069] Water Make up to 100%.

[0070] The original drug, solvent and emulsifier are added together to dissolve into a uniform oil phase; under stirring, the oil phase is mixed evenly with water to prepare 25% cyprodinil·sacridine microemulsion.

[0071] This embodiment is applied to the prevention and treatment of Sclerotinia sclerotiorum. Dilute and spray 25% cyprodinil·sacridine aqueous emulsion 500 times (the effective concentration of cyprodinil is 100 μg / ml, and the effective concentration of sacridine is 400 μg / ml) with water. The control effects were 98.5% and 95.2% respectively. 10% cyprodinil suspension was used by 500 times (effective concentration is 200 μg / ml) and 25% sacralin water floating age...

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PUM

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Abstract

The invention relates to a bactericidal composition comprising the effective components of cyprodinil (A) and other bactericide (B), wherein the B is any one of diethofencarb, pyrimethanil, procymidone, dichlozoline and dimethachlon, and the mass proportion of the A to the B is 50:1-1:50. After the A and the B are compounded, the bactericidal composition has an obvious synergistic action and is used for the prevention and treatment of diseases on crops, such as fruit trees, cotton, paddy, vegetables and the like, especially fungoid diseases.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a compound bactericidal composition containing cyprodinil. Background technique [0002] In recent years, due to single and unscientific use of drugs, many diseases have become resistant to the currently used pesticides, such as cucumber gray mold, grape gray mold, tomato gray mold, etc., which has become a major problem in chemical control. At the same time, frequent application of pesticides has caused increased burden on farmers and increased environmental pollution. Therefore, there is an urgent need for new varieties of fungicides with high efficiency, low toxicity and environmental protection. [0003] Cyprodinil, the English common name of Cyprodinil, and its chemical name 4-cyclopropyl-6-methyl-N-phenylpyrimidin-2-amine, is a protective fungicide whose mechanism of action is a methionine biosynthesis inhibitor. After spore germination, it acts to inhibit the penetration pro...

Claims

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Application Information

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IPC IPC(8): A01N47/20A01N43/54A01N37/32A01P3/00
Inventor 张洪张承来曹明章刘胜召文伯健王艳武孔建
Owner SHENZHEN NOPOSION AGROCHEM
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