Sterilization combination containing phenylate diazole and cyprodinil

A technology of cyprodinil and diphenoxide, applied in the field of pesticide compositions, can solve the problems of difficult to solve air and dew pathogenic bacteria, difficult to completely eliminate pathogenic bacteria, unable to focus on solving the pathogenic bacteria of diseased leaves, etc. The effect of delaying bacterial resistance and reducing pesticide residues

Active Publication Date: 2012-10-03
HANGZHOU UDRAGON CHEMICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual disease control process, it is difficult to take effective measures to completely cut off the source of infection; in the case of pathogenic bacteria invasion, it is also difficult to completely eliminate pat

Method used

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  • Sterilization combination containing phenylate diazole and cyprodinil
  • Sterilization combination containing phenylate diazole and cyprodinil
  • Sterilization combination containing phenylate diazole and cyprodinil

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0026] Example 1: Indoor toxicity determination of difenodiazole and cyprodinil compounded against Botrytis cinerea

[0027] The target pathogen of the test is Botrytis cinerea, which is preserved in the laboratory. The leaf inoculation method was used. Choose two potted cucumber seedlings with the same growth in the true leaf stage, and set them aside. Difenodiazole and cyprodinil were dissolved in DMF respectively, and then diluted with 0.1% Tween-80 aqueous solution to prepare a series of medicinal solutions, and then difenodiazole and cyprodinil were respectively mixed according to different proportions. A series of preset concentration compound liquids are made. Spray the cucumber seedlings with different series of concentrations of medicinal liquid. After 24 hours, use a puncher to punch the Botrytis cinerea that has been cultivated for about 3 days into a fungus cake with a diameter of 5mm along the edge. Paste on the center of each treatment leaf. After moisturizin...

example 2

[0038] Example 2: Indoor toxicity determination of difenodiazole and cyprodinil compounded against Botrytis cinerea

[0039] The target pathogen of the test is Botrytis cinerea, which is preserved in the laboratory. The leaf inoculation method was used. Choose two potted grape seedlings with the same growth in the true leaf stage for future use. Difenodiazole and cyprodinil were dissolved in DMF respectively, and then diluted with 0.1% Tween-80 aqueous solution to prepare a series of medicinal solutions, and then difenodiazole and cyprodinil were respectively mixed according to different proportions. A series of preset concentration compound liquids are made. Spray the grape seedlings with different series of concentrations of medicinal liquid. After 24 hours, use a puncher to punch the Botrytis cinerea that has been cultivated for about 3 days into a cake with a diameter of 5 mm along the edge. Use tweezers to connect the side of the cake with hyphae. Paste on the center o...

Embodiment 1

[0054] Example 1: 50% difenodiazole · cyprodinil water dispersible granules (active ingredient ratio 1:1)

[0055] Weigh 25% difenodiazole original drug, 25% cyprodinil original drug, 4% NNO (alkyl naphthalene sulfonate formaldehyde condensate), 1% pull open powder BX (sodium dibutyl naphthalene sulfonate) , 4% K-12 (sodium lauryl sulfate), 5% carboxymethyl (ethyl) cellulose, 3% diatomaceous earth, 5% glucose, and kaolin to 100%. Mix evenly, and granulate after jet crushing.

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PUM

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Abstract

The invention relates to an agricultural sterilization combination. The agricultural sterilization combination contains phenylate diazole and cyprodinil which are (1:100)-(100:1) in weight ratio, preferably (1:20)-(20:1). The invention further relates to agricultural bactericides containing the agricultural sterilization combination and application of the agricultural bactericides to control of fruit tree botrytis and vegetable botrytis. The sterilization combination has remarkable synergistic effect, improves sterilization effect, reduces pesticide utilization cost, reduces environment pollution and pesticide residues, enables action sites to be increased, and is favorable for overcoming and delaying generation of pesticide resistance of germs. The sterilization combination is good in safety, and has good control effect on the fruit tree botrytis and the vegetable botrytis.

Description

technical field [0001] The invention belongs to the field of pesticide compositions, in particular to a fungicidal composition using fenfenodiazole and cyprodinil as active ingredients, and an application of the composition in preventing and treating gray mold of fruit trees and vegetables. Background technique [0002] Botrytis cinerea is a common and difficult to control fungal disease of crops in open fields and protected areas. It is a low-temperature and high-humidity disease. period of high incidence of disease. Botrytis cinerea is caused by the infection of Botrytis cinerea, which is a fungal disease and can affect flowers, fruits, leaves and stems. The fruit is infected, and the green fruit is severely damaged. The remaining stigmas or petals are mostly infected first, and then expand to the fruit, resulting in a grayish white peel with a thick gray mold layer, which is water rotten. The disease of the leaves starts from the tip of the leaf. It expands inwards in a...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N43/54A01P3/00
Inventor 吴华龙徐黎婷
Owner HANGZHOU UDRAGON CHEMICAL CO LTD
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