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Bactericidal composition containing fluopyram and fludioxonil and application thereof

A technology of fluopyram and fludioxonil, which is applied in the field of pesticides, can solve the problems of serious drug resistance and large dosage of drugs, and achieve the effects of slowing down disease resistance, improving control effects, and significantly synergistic effects.

Pending Publication Date: 2022-06-03
山东亿嘉农化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The object of the present invention is to provide a fungicidal composition containing fluopyram and fludioxonil and its application, so as to solve the technical problems of severe drug resistance and large dosage in the prior art

Method used

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  • Bactericidal composition containing fluopyram and fludioxonil and application thereof
  • Bactericidal composition containing fluopyram and fludioxonil and application thereof
  • Bactericidal composition containing fluopyram and fludioxonil and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1. Determination of the combined effect of fluopyram and fludioxonil on cucumber botrytis cinerea

[0020] Test disease: cucumber botrytis fungus, isolated from a single spore from the diseased cucumber, cultured and preserved in this laboratory.

[0021] Test method: Determined by mycelial growth rate method. According to the pre-experiment, PDA plates with different drug concentrations were set up, and the drug-free plate was set as a control. The bacteria plates were punched from the edge of the pre-culture colonies with a hole punch, and inoculated face down on the drug-containing plates. Each treatment was repeated 4 times. Incubate in the dark in a 27°C incubator. After 4 days, the colony diameter was measured by the cross method, the inhibition rate of the mycelium was calculated, and the inhibitory medium concentration EC50 was calculated by the data processing software. And the Sun Yunpei method was used to evaluate the combined effect of drugs.

[0...

Embodiment 2

[0025] Example 2 The effect of pesticide synergistic adjuvants on the control effect of pesticides on vegetable leaf botrytis.

[0026] Test crop targets: gray mold of green house tomato; gray mold of green house cucumber;

[0027] Test drug:

[0028] Drug A:

[0029] 20% fluopyram·fludioxonil suspending agent, comprising the following components in weight percentage:

[0030] Fluopyram 15%, Fludioxonil 5%, Polycarboxylate Tersperse 2700 2%, Nesulfonate D-425 2%, Diffuser NNO 1%, Ethylene Glycol 3%, Synergist (Lecithin The mass ratio of tea saponin is 1:1) 2%, xanthan gum 0.2%, sodium benzoate 0.1%, silicone defoamer 0.1%, and deionized water to make up 100%.

[0031] Drug B

[0032] 20% fluopyram·fludioxonil suspending agent, comprising the following components in weight percentage:

[0033] Fluopyram 15%, Fludioxonil 5%, Polycarboxylate Tersperse 2700 2%, Nesulfonate D-425 2%, Diffuser NNO 1%, Ethylene Glycol 3%, Synergist (Lecithin ) 2%, xanthan gum 0.2%, sodium benzo...

Embodiment 3

[0059] Example 3 Performance index test of 20% fluopyram·fludioxonil suspension preparation

[0060] According to the determination method of the performance index of the suspension agent, the performance index test is carried out for the agent A-agent D, and the measurement results are as follows: the agent A-agent D are all qualified preparations

[0061] Table 3 Performance index test of 20% fluopyram·fludioxonil suspension preparation

[0062]

[0063]

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PUM

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Abstract

According to the application of the sterilization composition containing the fluopyram and the fludioxonil to prevention and treatment of the gray mold, active ingredients are composed of the fluopyram and the fludioxonil, and the mass ratio of the fluopyram to the fludioxonil is 3: 1; the bactericidal composition also contains a synergistic aid, and the synergistic aid is one or two of lecithin and tea saponin. The bactericidal composition disclosed by the invention has a remarkable synergistic effect, and after the synergistic additive is added, the use dosage of the active ingredients can be remarkably reduced, the generation of drug resistance is slowed down, and the environmental pollution is alleviated.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a bactericidal composition comprising fluopyram and fludioxonil and its application. Background technique [0002] Botrytis cinerea is a kind of plant fungal disease caused by Botrytis cinerea, which can damage more than 200 kinds of crops, including vegetables, fruit trees and ornamental plants. Botrytis cinerea infects plant stems, leaves, flowers and fruits, causing plant damping, falling leaves, flower rot, and fruit rot, resulting in serious yield loss; it can also damage fruits during postharvest storage and reduce fruit quality. Due to the lack of crop germplasm resources against Botrytis cinerea, chemical agents are the most convenient and effective way to prevent and control the disease. At present, there are mainly benzimidazoles, anilinopyrimidines, dicarboximides, methoxyacrylates, succinate dehydrogenase inhibitors and sterol biosynthesis inhibitors at home and a...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N43/36A01N57/12A01N43/16A01P3/00
CPCA01N43/40A01N43/36A01N57/12A01N43/16Y02A50/30
Inventor 范丰梅王佳佳刘英超刘峰麟何园园
Owner 山东亿嘉农化有限公司
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