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Novel nematicidalcompound pesticide and application thereof

A technology for killing nematodes and pesticides, applied in the directions of nematicides, applications, biocides, etc., can solve the problems of compounding of tioxazafen and imicyafos that have not yet been found, and achieve the effects of reducing pesticide residues, expanding the control spectrum, and reducing environmental pollution

Inactive Publication Date: 2017-07-21
佛山市盈辉作物科学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inventors of the present application found that compounding tioxazafen and imicyafos can produce a good synergistic effect through a large number of indoor activity determinations and field efficacy tests. to report

Method used

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  • Novel nematicidalcompound pesticide and application thereof
  • Novel nematicidalcompound pesticide and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 1. Example 1: When the composition of the present invention is 50%Tioxazafen·10%Imicyafos water-dispersible granules (5:1), the content of each component is:

[0025] Tioxazafen 50%

[0026] Imicyafos 10%

[0027] Fatty alcohol polyoxyethylene ether 2%

[0028] Silica 8%

[0029] Fatty acid ethylene oxide condensate 4%

[0030] Sodium lignosulfonate 4%

[0031] Ammonium sulfate 5%

[0032] Kaolin supplemented to 100%

[0033] The specific processing steps of the water-dispersible granules of the composition are as follows: according to the above formula, absorb Imicyafos with white carbon black in advance, mix and pulverize, add Tioxazafen, dispersant, wetting agent, disintegrant and filler to mix evenly, and use ultra-fine airflow Pulverized by pulverizer, kneaded, then entered into extrusion granulator for granulation, dried in boiling drier, sieved and analyzed by sampling to obtain the water dispersible granule containing Tioxazafen and Imicyafos according to ...

Embodiment 2

[0034] 2. Example 2: When the composition of the present invention is 5%Tioxazafen·5%Imicyafos microemulsion (1:1), the content of each component is:

[0035] Tioxazafen 5%

[0036] Imicyafos 5%

[0037] N-Methylpyrrolidone 10%

[0038] Cyclohexanone 10%

[0039] Calcium dodecylbenzenesulfonate 5%

[0040] Styrylphenol ethoxylates 10%

[0041] Water fill up to 100%

[0042] The specific processing steps of the microemulsion of the composition are as follows: after completely dissolving Tioxazafen and Imicyafos with N-methylpyrrolidone and cyclohexanone according to the above formula, adding other auxiliary agents and mixing evenly, and finally adding water and fully stirring. The microemulsion containing Tioxazafen and Imicyafos of the present invention can be obtained.

Embodiment 3

[0043] 3. Example 3: When the composition of the present invention is 1% Tioxazafen 5% Imicyafos microcapsule suspension (1:5), the content of each component is:

[0044] Tioxazafen 1%

[0045] Imicyafos 5%

[0046] Toluene diisocyanate 3%

[0047] Hexamethylenediamine 2%

[0048] Mineral spirit 10%

[0049] Lauryl Decyl Amide 10%

[0050] Castor Oil Ethoxylates 5%

[0051] Sodium methylene bis-naphthalene sulfonate 3%

[0052] Deionized water balance

[0053] The specific processing steps of the microcapsule suspension of the composition are as follows: mix Tioxazafen, Imicyafos, oil-soluble monomer and solvent according to the above formula, dissolve into a uniform oil phase, and add the oil phase to the mixture containing emulsifier, In the water phase solution of dispersant and water-soluble monomer, add citric acid to adjust the pH to 6.5, make up the balance with water, and the two materials react at the oil-water interface to form a polymer capsule wall, and the ...

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Abstract

The invention belongs to the technical field of combination of pesticides and specifically relates to a nematicidalcompound pesticide comprising main effective ingredients of tioxazafen and imicyafos at weight part ratio of 1:20-15:1. In the nematicidalcompound pesticide, the active ingredients has an obvious synergistic interaction on preventing and controlling nematodes within the weight ratio; the nematicidalcompound pesticide is especially suitable for preventing and controlling wheat root-knot nematodes and cyst nematodes, citrus root-knot nematodes, cucumber root-knot nematodes, tomato root-knot nematodes, pepper root-knot nematodes, peanut root-knot nematodes and soybeancyst nematodes.

Description

technical field [0001] The present invention relates to a nematicidal composition containing tioxazafen and imicyafos, and the use and / or method of the nematicidal composition for controlling nematodes in crops. Background technique [0002] Plant parasitic nematodes mainly include root-knot nematodes, cyst nematodes, stem apex nematodes, etc. Among them, root-knot nematodes are common in my country and cause serious harm. According to incomplete statistics, the incidence of vegetable root-knot nematode in my country has reached 20 million mu, and the data is still growing. Chemical nematicides are the largest market in terms of sales, accounting for about 55% of the global market. The most commonly used nematode control products in the United States, Brazil and other countries, therefore, the research and development of new efficient nematodes is imminent. [0003] The nematicide tioxazafen, whose chemical name is 3-phenyl-5-(thiophen-2-yl)-1,2,4-oxadiazole, is an oxadiazol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/32A01N43/836A01P5/00
CPCA01N57/32A01N43/82A01N2300/00
Inventor 杨建江李达忠李次平叶宇平耿鹏
Owner 佛山市盈辉作物科学有限公司
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