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Pesticide bactericidal composition and preparation thereof

A composition and pesticide technology, applied in the direction of fungicides, biocides, biocides, etc., can solve undiscovered problems, achieve the effects of reducing usage, improving control effects, and reducing costs

Pending Publication Date: 2020-02-18
赵秋萍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And no information about 2-[2-(2,4-dichlorophenyl-2-hydroxy-hexyl]-2,4-dihydro-[1,2,4]triazole-3-thione and 2 -Cyclopentyl-4-p-toluidine quinoline compound fungicidal composition applied to research or report on the prevention and control of bacterial wilt of crops

Method used

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  • Pesticide bactericidal composition and preparation thereof
  • Pesticide bactericidal composition and preparation thereof
  • Pesticide bactericidal composition and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1: the preparation of bactericidal composition and indoor toxicity test thereof:

[0033] 1. Drugs to be tested

[0034] 2-[2-(2,4-Dichlorophenyl-2-hydroxy-hexyl]-2,4-dihydro-[1,2,4]triazole-3-thione.

[0035] 2-cyclopentyl-4-p-toluidine quinoline.

[0036] 2. Pathogens tested

[0037] Tomato bacterial wilt pathogen (the pathogen of bacterial wilt was provided by the Laboratory of Molecular Interaction between Plants and Microorganisms, Hunan Agricultural University).

[0038] 3. Test treatment method

[0039] Preparation of liquid medicine

[0040] Using acetone as solvent, 2-[2-(2,4-dichlorophenyl-2-hydroxy-hexyl]-2,4-dihydro-[1,2,4]triazole-3-thione: The mass ratio of 2-cyclopentyl-4-p-toluidine quinoline is (1:0), (1:1), (1:2), (1:3), (1:4), (1 :5), (0:1), (2:1), (3:1), (4:1), and (5:1) were configured to be 200mL each with a mass concentration of 5mg / mL.

[0041] 4. Seedling spraying and inoculation of R. solanacearum

[0042] Cultivate tomato s...

Embodiment 2

[0056] Embodiment 2: the preparation of bactericidal preparation

[0057] As a preferred technical solution of the present invention, the preparation is prepared as water-dispersible granules.

[0058] Described water dispersible granule system, preparation method is as follows:

[0059] Mix active ingredient A, active ingredient B, dispersant, water, disintegrating agent and filler evenly, crush with ultrafine jet mill, knead, and then add to fluidized bed granulation dryer for granulation, drying, sieving After separation, the water dispersible granules of the bactericidal composition of the present invention are obtained through sampling and analysis.

[0060] According to the indoor toxicity test measurement result of Table 1, 2-[2-(2,4-dichlorophenyl-2-hydroxyl-hexyl]-2,4-dihydro-[1,2,4]triazole The mass ratio of -3-thione and 2-cyclopentyl-4-p-toluidine quinoline is between (1~5): (1~5), all have synergistic effect, wherein 2-[ 2-(2,4-Dichlorophenyl-2-hydroxy-hexyl]...

Embodiment 3

[0063] Embodiment 3: field efficacy test

[0064] In order to further verify the practical application effect of the present invention, the field efficacy test of controlling tomato bacterial wilt was carried out by adopting the water-dispersible granule preparation of the fungicidal composition prepared by the present invention.

[0065] Test treatment: In this test, according to the preparation of water dispersible granules formula 1-6 in Example 2, field efficacy tests on the control of tomato bacterial wilt were carried out.

[0066] Test method: the area of ​​each plot is 10m 2 , repeated 3 times; the drug efficacy method of investigation before spraying and prevention and control is as follows: randomly sample 5 points in the test treatment area, get 4 plants at fixed points, carry out disease classification according to the relevant standards of national field trials, record the single plant disease state, calculate Anti-effect.

[0067] Disease grading criteria for...

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Abstract

The invention discloses a pesticide bactericidal composition and a preparation thereof, and the pesticide bactericidal composition comprises 2-[2-(2, 4-dichlorophenyl-2-hydroxy-hexyl]-2, 4-dihydro-[1,2, 4] triazole-3-thione and 2-cyclopentyl-4-p-toluidine quinoline according to a mass ratio of (1-5): (1-5). The pesticide bactericidal composition and the preparation thereof have an obvious synergistic effect on prevention and treatment of bacterial wilt of crops such as peppers, tomatoes and eggplants, the usage amount of pesticide active ingredients can be reduced, and the prevention and treatment effect is improved.

Description

technical field [0001] The invention relates to the technical field of pesticide compound sterilization, in particular to a pesticide bactericidal composition and its preparation. Background technique [0002] Among the infectious diseases of crops, there are mainly two kinds of fungal diseases and bacterial diseases, among which fungal diseases account for about 80% of the diseases. Due to the different sources of fungal diseases and bacterial diseases, their control methods and medicament usage are also quite different. [0003] Bacterial wilt is a devastating soil-borne disease that is widely distributed throughout the world. Pseudomonas solanacearum [Ralstonia solanacearum] is the root cause of the disease. From the root of the host plant, it invades the xylem vessel, and rapidly expands to the aboveground part of the plant through the vascular system. A large number of colonization of the pathogen causes the loss of vessel function, which in turn leads to plant wilting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N43/42A01P3/00
CPCA01N43/42A01N43/653
Inventor 赵秋萍
Owner 赵秋萍