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Insecticidal composition containing etoxazole and amitraz, and preparation and application thereof

An insecticidal composition and the technology of amitraz, applied in the field of pesticides, can solve the problems of acaricide resistance and crop damage, and achieve the effects of improved tolerance, high safety and remarkable synergistic effect

Inactive Publication Date: 2016-12-21
ZHEJIANG XINNONG CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There are many generations of harmful mites and strong reproductive ability. Under suitable temperature and humidity conditions, the number of harmful mites can rapidly double in a short period of time, so it is easy to develop resistance to acaricides and cause serious damage to crops.

Method used

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  • Insecticidal composition containing etoxazole and amitraz, and preparation and application thereof
  • Insecticidal composition containing etoxazole and amitraz, and preparation and application thereof
  • Insecticidal composition containing etoxazole and amitraz, and preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Embodiment 1: 40% (10%+30.0%) suspending agent

[0047] 40% active compound (composition of 10.0% etoxazole and 30.0% amitraz), fatty alcohol polyoxyethylene ether 2.0%, alkylnaphthalene sulfonate 3.0%, sodium methylene dinaphthalene sulfonate 1.0%, Xanthan gum 0.05%, magnesium aluminum silicate 0.6%, glycerol 2.0%, salicylphenyl ester 0.4%, silicone defoamer 0.1%, deionized water to 100%, put into high-shear homogeneous emulsification High-speed shearing in the machine for 20 minutes, then transported to a sand mill, and circularly sanded for 1-3 times to obtain a suspending agent. The suspension contains 40% active compound.

Embodiment 2

[0048] Embodiment 2: 30% (10.0%+20.0%) suspending agent

[0049] 30% active compound (10.0% etoxazole and 20.0% amitraz composition), EO / PO block polyether 1.0%, alkylnaphthalene sulfonate 1.0%, polymer polycarboxylate 4.0%, acrylic acid Homopolymer sodium salt 1.5%, isopropanol 2.0%, organic silicon defoamer 0.1%, sodium benzoate 0.5%, tap water make up to 100%, put it into a high-shear homogeneous emulsifier for 30 minutes at high speed, and then Transport it to a sand mill, and circulate sand for 1-3 times to get 30% suspending agent. The suspension contains 30% active compound.

[0050] 2. Microcapsule suspension

Embodiment 3

[0051] Embodiment 3: 25% (10.0%+15.0%) microcapsule suspension

[0052] 25% active compound (10.0% etoxazole and 15.0% amitraz composition), acyl glutamate 2.0%, phenol sulfonic acid condensate sodium salt 1.0%, silicone defoamer 0.1%, polyphenyl Mix polymethylene polyisocyanate PAPI 3% with diphenylmethane diisocyanate MDI 2%, gum arabic (5%) aqueous solution 10%, and deionized water 39.46%, and then put it into a sand mill for sand grinding. The particle size to D90 is 3-5 microns. Start stirring (maintain 700 rpm), then raise the temperature of the sand-milled suspension to 60°C, and slowly add 0.04% triethanolamine at the same time to maintain a stable solidification temperature of the capsule wall material for 8 hours, then add fatty alcohol polyoxyethylene ether Sulfate 2.0%, alkyl naphthalene sulfonate 1.0%, urea 2.0%, glycerol 2.0%, aluminum magnesium silicate (2%) aqueous solution 10%, appropriate amount of dilute hydrochloric acid aqueous solution to adjust the pH v...

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Abstract

The invention provides an insecticidal composition containing etoxazole and amitraz, wherein the composition includes the etoxazole and the amitraz according to the weight ratio of 50:1-1:70. The invention also provides a preparation of the insecticidal composition, wherein the preparation may include the following agriculturally-acceptable dosages: wettable powders, soluble powders, water-dispersible granules, water emulsions, micro-emulsions, micro-capsule suspensions, suspensions, suspension emulsions or emulsifiable concentrates. The insecticidal composition has reasonable formula and good insecticidal effect, wherein the activities and insecticidal effects of the components are achieved not by only simply adding the activities of all components. Compared with single preparations in the prior art, the composition has significant insecticidal effect and significant synergistic effects, has good safety on crops and satisfies security of pesticide preparations. The insecticidal composition has good prevention and treatment effects on acarid on plants, and especially has significant prevention and treatment effects on panoneychus citri and tetranychus urticae.

Description

technical field [0001] The invention belongs to the field of pesticides, and relates to an insecticidal composition, in particular to an insecticidal composition containing etoxazole and amitraz. Background technique [0002] Etoxazole is a brand-new acaricide with a special structure developed by Sumitomo Chemical Co., Ltd., the English common name: etoxazole, chemical formula C 21 h 23 f 2 NO 2 . Its mode of action is to inhibit the embryonic formation of mite eggs and the moulting process from larvae to adults. It is effective for eggs and larvae, but not for adults. Therefore, the best control time is the early stage of pest mite damage. The drug has strong rain resistance, a lasting period of up to 50 days, and a low dosage. It is safe to the environment and has no or minimal harm to beneficial insects and beneficial mites. It has excellent control effect on citrus, cotton, apple, flowers, vegetables and other crops such as Tetranychus, Tetranychus, Panonychus, T...

Claims

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Application Information

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IPC IPC(8): A01N43/76A01N37/52A01P7/02
CPCA01N43/76A01N37/52A01N2300/00
Inventor 范坤成张军郭世俭李俊应小锋郭近毛晨蕾
Owner ZHEJIANG XINNONG CHEM CO LTD
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