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Thiamethoxam-containing pesticidal composition and application thereof

A technology of thiamethoxam and a pesticide composition, which is applied to the compound composition and the application field of pest control, can solve the problems of less application of crops, no reports on the compound and application of thiamethoxam and pyriproxyfen, and the like, and achieves The effect of reducing damage, delaying the development of pest resistance, and reducing the amount of pesticides in the field

Inactive Publication Date: 2010-06-30
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, among the pyriproxyfen products registered in my country, most of them are hygienic insecticides, which are mainly used to control mosquitoes, flies, cockroaches, etc., and are rarely used on crops.
[0005] Compounding and application of thiamethoxam and pyriproxyfen have not been reported yet

Method used

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  • Thiamethoxam-containing pesticidal composition and application thereof
  • Thiamethoxam-containing pesticidal composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057]Take by weighing 2.55 grams of 98% thiamethoxam former medicine, 2.63 grams of 95% pyriproxyfen former medicine, 5 grams of calcium dodecylbenzenesulfonate (emulsifier), 4 grams of octylphenol polyoxyethylene ether (emulsifier) , xylene (solvent) make up the total weight to 100 grams. Put the above raw materials into a mixing tank according to the conventional method for preparing emulsifiable concentrate, and mix to form 5% thiamethoxam·pyriproxyfen (1:1) emulsifiable concentrate.

[0058] This formula test is used to control field rice planthopper highly resistant population (the resistance to imidacloprid is more than 160 times), is diluted and sprayed by active ingredient 3 grams / mu, and control effect is respectively in 1 day, 7 days, 15 days after the medicine. 79.2%, 96.1% and 94.2; 25% thiamethoxam water dispersible granules were sprayed at 4 g / mu of active ingredient, and the control effects were 71.0%, 87.1% and 79.10% respectively in 1 day, 7 days and 15 days ...

Embodiment 2

[0060] Take by weighing 2.04 grams of the former medicine of 98% thiamethoxam, 21.05 grams of the former medicine of 95% pyriproxyfen, 6 grams of alkylaryl polyoxypropylene polyoxyethylene ether (wetting and dispersing agent), polynaphthaldehyde sulfonic acid sodium salt ( Wetting and dispersing agent) 3 grams, xanthan gum (thickener) 1 gram, glycerol (antifreeze) 4 grams, water to make up the total weight to 100 grams. The active ingredient, the wetting and dispersing agent and water were uniformly mixed, and ground to obtain a 22% thiamethoxam·pyriproxyfen (1:10) suspension concentrate.

[0061] This formula is used to control greenhouse tomato whitefly, and the active ingredient is diluted and sprayed at 4 g / mu, and the control effects are 89.2%, 91.8% and 90.5% after 3 days, 7 days and 15 days after the drug; 25% thiamethoxam water dispersion The granule is sprayed according to the active ingredient 6g / mu, and the control effect is 79.1%, 81.8% and 74.1% 3 days, 7 days and...

Embodiment 3

[0063] Take by weighing 1.02 grams of the former medicine of 98% thiamethoxam, 42.11 grams of the former medicine of 95% pyriproxyfen, 4 grams of sodium lignosulfonate (wetting and dispersing agent), 2 grams of polynaphthaldehyde sulfonic acid sodium salt (wetting and dispersing agent) gram, 4 grams of ammonium sulfate (disintegrant), 1 gram of soluble starch (bonding agent), 20 grams of white carbon black (separator), and light calcium carbonate (filler) to make up the total weight to 100 grams. The active ingredient, wetting and dispersing agent, disintegrating agent and filler are mixed evenly, crushed into wettable powder by air flow, and then a certain amount of water is added to mix and extrude to granulate. After drying and sieving, 41% thiamethoxam·pyriproxyfen (1:40) water-dispersible granules were obtained.

[0064] This formula is used for preventing and controlling aphids, and spraying is diluted and sprayed by 4 grams / mu of active ingredient, and the control effec...

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Abstract

The invention discloses a pesticidal composition, wherein active components are thiamethoxam and pyriproxyfen. The pesticidal composition has a notable synergistic effect on agricultural pest control, particularly the control of resistant rice planthoppers and whiteflies. When the pesticidal composition is used in fields, the dosage of the pesticidal composition in fields can be greatly reduced, environment pollution and pesticide residue can be reduced, and the resistance of pests can be delayed.

Description

technical field [0001] The invention relates to a pesticide composition and its application, in particular to a compound composition containing thiamethoxam and its application for controlling pests. Background technique [0002] In agricultural production, pests with large reproduction numbers and obvious overlapping generations, such as planthoppers, aphids, whiteflies, thrips and other pests, develop resistance very quickly, and the speed of developing new pesticide varieties is far behind the pests. Speed ​​of resistance development. In this way, the compounding of pesticides is very valuable, especially the compounding of agents with different mechanisms of action, which can improve the efficacy of drugs, delay the development of resistance, and prolong the service life of active ingredients. [0003] Thiamethoxam, English common name thiamethoxam, chemical name 3-(2-chloro-5-thiazolylmethyl)-5-methyl-N-nitro-4H-1,3,5-tetrahydro. Thiamethoxam belongs to the second-gen...

Claims

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Application Information

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IPC IPC(8): A01N51/00A01N43/40A01P7/04
Inventor 曹明章文伯健朱卫锋孙华英张洪刘胜召孔建
Owner SHENZHEN NOPOSION AGROCHEM
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