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Pesticide composition of thiamethoxam and application thereof

A technology of pesticide composition and thiamethoxam, which is applied in the field of pesticide composition and its application, can solve the problems of compounding and application of thiamethoxam and butylene-fipronil or ethiprole, and the lack of effect on lepidopteran pests. Ideal, decline in control effect, etc., to achieve the effect of reducing the amount of pesticides in the field, improving the control effect, and delaying the development of resistance

Active Publication Date: 2012-09-12
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the effect of thiamethoxam on lepidopteran pests is not ideal, and due to years of use, many pests have developed resistance to it, resulting in a decline in the control effect
[0004] Butene fipronil, chemical name 3-cyano-5-methallylamino-1-(2,6-dichloro-4-trifluoromethylphenyl)-4-trifluoromethylsulfin Acylpyrazole; ethiprole, English common name ethiprole, chemical name 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-4-ethylsulfinyl-5- Aminopyrazoles; both agents belong to the phenylpyrazole class of insecticides, and their mechanism of action is to destroy the normal activities of the central nervous system (CNS) by interfering with the chloride ion channel mediated by γ-aminobutyric acid (GABA) to kill insects , it is very effective against the rice borer and diamondback moth, and it is effective against planthoppers, locusts, stinkbugs and other pests, but it has low activity against some pests such as aphids, whitefly and thrips
[0005] At present, there is no report on the compounding and application of thiamethoxam and butylene-fipronil or ethiprole

Method used

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  • Pesticide composition of thiamethoxam and application thereof
  • Pesticide composition of thiamethoxam and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Example 1: 20% thiamethoxam·butene fipronil suspension concentrate

[0059] Thiamethoxam 10%

[0060] Butylene Fipronil 10%

[0061] Sodium methylnaphthalene sulfonate formaldehyde condensate (wetting and dispersing agent) 10%

[0062] Xanthan gum (thickener) 1%

[0063] Bentonite (thickener) 1%

[0064] Isopropyl alcohol (antifreeze) 5%

[0065] Water Make up to 100%.

[0066] The active ingredient, wetting and dispersing agent, water and other components are uniformly mixed according to the proportion of the formula, and after grinding, a 22% thiamethoxam·butene fipronil suspension concentrate is obtained.

[0067] This embodiment is sprayed for controlling aphids by the concentration shown in table 4. See Table 4 for the control effects on cabbage aphids, and see Table 5 for the concurrent control effects on diamondback moth and Pieris rapae. It can be seen from Table 4 that the control effect of the compound agent is better than that of thiamethoxam and butyl...

Embodiment 2

[0072] Example 2: 12% thiamethoxam·butene fipronil microemulsion

[0073] Thiamethoxam 2%

[0074] Butylene Fipronil 10%

[0075] N-methylpyrrolidone (solvent) 10%

[0076] Nongru 500# (emulsifier) ​​5%

[0077] Nongru 1601# (emulsifier) ​​5%

[0078] Water Make up to 100%.

[0079] The active ingredient is firstly dissolved in a solvent, and the solvent and emulsifier are added according to the proportion of the formula to mix evenly, and the mixture is added into water under stirring, and the 12% thiamethoxam-butene-fipronil microemulsion is prepared after stirring until uniform.

[0080] This embodiment is applied to the prevention and treatment of cotton ligudgus. The 12% thiamethoxam·butene fipronil microemulsion was diluted and sprayed with water according to the active ingredient dosage of 4 g / mu, and the control effects were 84.7%, 91.9% and 89.3% at 1 day, 7 days and 15 days after application. 25% thiamethoxam water dispersible granules and 5% butylene fipronil ...

Embodiment 3

[0081] Example 3: 42% thiamethoxam·butene fipronil water dispersible granules

[0082] Thiamethoxam 40%

[0083] Butylene Fipronil 2%

[0084] Sodium alkylnaphthalene sulfonate (wetting and dispersing agent) 5%

[0085] Sodium lignosulfonate (wetting and dispersing agent) 7%

[0086] Sodium lauryl sulfate (wetting and dispersing agent) 2%

[0087] Ammonium sulfate (disintegrant) 5%

[0088] Light calcium carbonate (filler) makes up to 100%.

[0089] Mix the active ingredient, wetting and dispersing agent, disintegrant and filler uniformly according to the ratio of the formula, and crush it into a wettable powder by airflow, then add a certain amount of water to mix and extrude the material, and obtain 42% thiophene after drying and screening. Methmetherizine·butene fipronil water dispersible granules.

[0090] This embodiment is applied to control rice planthopper. 42% thiamethoxam·butene fipronil water-dispersible granules were diluted and sprayed with water according ...

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Abstract

The invention relates to a pesticide composition which is characterized by comprising the effective components of thiamethoxam and butene fipronil or ethiprole. The pesticide composition has an obvious synergistic action for pests in agriculture, especially rice planthoppers and aphides, and also has a favorable prevention and treatment effect for other pests on the crops of paddy, fruit trees, vegetables and the like, such as whiteflies, flea beetles, cabbage worms, Plutella xylostella, striped rice borers, Tryporyza incertulas, caphalocrocis medinalis guenee and the like.

Description

technical field [0001] The invention relates to a pesticide composition and its application, in particular to a pesticide composition containing thiamethoxam and its application for controlling crop pests. Background technique [0002] In recent years, due to single and unscientific use of pesticides, pests have developed varying degrees of resistance to the currently used pesticides, which has become a major problem in chemical control. Pests such as planthoppers, aphids, whiteflies, and diamondback moths have a large reproduction rate, obvious overlapping generations, and rapid rise in resistance. Therefore, there is an urgent need for new insecticide products with high efficiency, broad spectrum, good compatibility with the environment, and the ability to overcome and delay the occurrence and development of pest resistance. The development of new active ingredients of pesticides is costly and takes a long time, which is far behind the development of pest resistance. [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N51/00A01N47/02A01N43/56A01P7/00A01P7/04
Inventor 文伯健曹明章朱卫锋孙华英王艳武张洪刘胜召孔建
Owner SHENZHEN NOPOSION AGROCHEM
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