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Bactericidal composition

A composition and technology for crops, applied in the field of pesticides, can solve the problems of high cost and the risk of pathogenic bacteria developing resistance, and achieve the effect of improving the control effect, overcoming the pathogenic bacteria producing resistance, and increasing the action sites

Inactive Publication Date: 2016-01-27
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is costly to use alone and is prone to the risk of pathogenic bacteria developing resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Biological Assay Example 1: Indoor Toxicity Determination of Fluopyram and Imazalil Compounded against Botrytis cinerea

[0031] Test object: Botrytis cinerea Pers. (collected from wild tomato Botrytis cinerea species in the field, and separated and purified)

[0032] Test method: The test refers to the Agricultural Industry Standard of the People's Republic of China NY / T1156.10-2008 "Indoor Bioassay Test Guidelines for Pesticides and Fungicides Part 10: Pot Cutting Method for Botrytis Botrytis Control Test", and the pot cutting method is used for determination.

[0033] Sow susceptible tomato varieties and grow them in pots until they reach the stage of 2-4 true leaves for later use. The original drug of fluopyram and the original drug of imazalil are respectively dissolved in dimethylformamide and acetone, and then diluted with 0.1% Tween-80 surfactant aqueous solution. For each treatment of 3 pots, repeat 4 times, spray 10ml of the medicinal solution evenly on the l...

Embodiment 2

[0053] Biological Assay Example 2: Indoor Toxicity Determination of Fluopyram and Imazalil Compounded to Botrytis Botrytis

[0054] Test object: Botrytis cinerea Pers. (collected from wild botrytis cinerea species in the field, and separated and purified)

[0055] The test method is the same as that in biological assay example 1.

[0056] Table 2 Indoor toxicity test results of fluopyram and imazalil compounded against Botrytis cinerea

[0057]

[0058] The results in Table 2 show that when the ratio of fluopyram and imazalil is 1:50-50:1, it shows a synergistic effect on botrytis cinerea, especially when it is between 1:20-20:1, The co-toxicity coefficients of the listed ratios are all higher than 154, and the synergistic effect is obvious.

Embodiment 3

[0059] Biological Assay Example 3: Indoor Toxicity Determination of Fluopyram and Imazalil Compounded to Botrytis cinerea

[0060] Test object: Botrytis cinerea Pers. (collected from wild strawberry gray mold species in the field, and separated and purified)

[0061] The test method is the same as that in biological assay example 1.

[0062] Table 3 Indoor toxicity test results of fluopyram and imazalil compound against Botrytis cinerea

[0063]

[0064] The results in Table 3 show that when the ratio of fluopyram and imazalil is 1:50-50:1, it shows a synergistic effect on Botrytis cinerea, especially when it is between 1:20-20:1, The co-toxicity coefficients of the listed ratios are all higher than 159, and the synergistic effect is obvious.

[0065] The fungicidal composition of the present invention can be prepared by known methods into emulsifiable concentrates, suspension concentrates, water emulsions, water dispersible granules or wettable powders suitable for agric...

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Abstract

The invention discloses a bactericidal composition. The effective components are fluopyram and imazalil in a mass ratio of 1:50-50:1. The composition can be prepared into agriculture allowable missible oil, suspending agents, emulsion in water, water dispersible granules or wettable powder. The composition provided by the invention has obvious synergistic effect and good safety, is suitable for control of crop botrytis, and is especially suitable for control of fruit and vegetable botrytis.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing fluopyram and its application for preventing and treating crop diseases, belonging to the technical field of pesticides. Background technique [0002] Botrytis cinerea is a worldwide important disease caused by Botrytis cinerea Pers. Its host range is wide, and it can infect more than 200 kinds of crops in the world, and there are many parts of plants infected. Seedlings, stems, leaves, flowers and fruits, etc. cause varying degrees of damage, and are a devastating disease on horticultural crops such as various fruit trees, vegetables and flowers. Botrytis cinerea is mainly controlled by chemical control in agricultural production. At present, the control effects of commonly used fungicides such as benzimidazoles, dicarboximides and anilinopyrimidines on Botrytis cinerea are greatly reduced due to the emergence of resistance to Botrytis cinerea,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/50A01P3/00A01N43/40
Inventor 张华东杨立平曹明章王芳王新军孔建
Owner SHENZHEN NOPOSION AGROCHEM
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