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Composite insecticidal composition containing pyridalyl and fufenozide and application thereof

A technology of furafenozide and mefluroxyfen, which is applied in the field of pesticides, can solve the problems of high cost of pesticides for farmers, inability to protect crops, and easy occurrence of drug resistance, etc., achieve good control effects, reduce control labor, and improve control effects Effect

Inactive Publication Date: 2015-07-01
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Insecticide varieties containing a single component often have defects in the control of pesticide pests: continuous use is easy to produce resistance, narrow insecticidal spectrum, cannot provide comprehensive protection for crops, and the cost of pesticides for farmers is high.

Method used

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  • Composite insecticidal composition containing pyridalyl and fufenozide and application thereof
  • Composite insecticidal composition containing pyridalyl and fufenozide and application thereof
  • Composite insecticidal composition containing pyridalyl and fufenozide and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weigh a total of 30 g of fluomepyr and furantenozide, 4 g of calcium dodecylbenzenesulfonate, 4 g of phenethylphenol polyoxyethylene ether, and add vegetable oil to 100 g. Put the above raw materials into a mixing tank according to the conventional method for preparing EC and mix them to prepare Meflufen·Fufenozide EC with a main active ingredient of 30% by weight. Wherein the specific ratio of triflumepyr and furantenozide is shown in Tables 1 and 2.

[0024] Indoor synergistic bioassay was carried out by feed poisoning method, the resistant cotton bollworm was selected as the target pest, each treatment was repeated 3 times, and 60 heads were treated at each concentration, and the toxicological regression equation and sum of each pesticide resistant cotton bollworm were calculated by the probability value method lethal middle concentration LC 50 , with LC 50 The co-toxicity coefficient was calculated according to Sun Yunpei method, and the results are shown in Table...

Embodiment 2

[0034] Weigh 5g trifluroxyfen, 50g furafenozide, 3g phenylethylphenol polyoxypropylene polyoxyethylene ether, Nongru 33 ＃ 2g, agricultural milk 600 # 1g, mineral spirits 13g, add water to 100g. Put the above raw materials into a mixing tank according to the conventional method for preparing water-based emulsions and mix at high speed to form a meflufen-furafenozide water-based emulsion with a main active ingredient of 55% by weight.

Embodiment 3

[0036] Weigh 2g of fluomepyr, 18g of furanfenozide, 6g of calcium dodecylbenzenesulfonate, 3g of phenylethylphenol polyoxypropylene polyoxyethylene ether, and 33 grams of agricultural milk ＃ 2g, agricultural milk 600 # 1g, cyclohexanone 10g, add water to 100g. Put the above raw materials into a mixing tank according to the conventional method for preparing microemulsions, and mix them to form a trifluroxyfen·furafenozide microemulsion with a main active ingredient of 20% by weight.

[0037] Carry out control cotton bollworm efficacy test to embodiment 3, contrast agent is 50% furantenozide EC and 100g / l trifluramine EC, dilutes according to the dilution multiple in table 3, checks 3 days after medicine, 7 Day, the result of 14 days, the processing result is shown in Table 3:

[0038] Table 3: Field test results of trifluroxyfen-furantenozide compound against resistant cotton bollworm

[0039]

[0040] The field drug efficacy results showed that the fluomepyr-furantenozid...

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Abstract

The invention discloses a composite insecticidal composition containing pyridalyl and fufenozide and an application thereof. According to the insecticidal composition, pyridalyl and fufenozide are used as insecticidal active ingredients, wherein weight ratio of pyridalyl to fufenozide is 1-100: 1-100. By the use of the insecticidal composition, high synergistic effects can be generated, pest resistance to insecticide is overcome and delayed, insecticidal speed is fast, persistent period is long, medication cost is reduced, and control effect of the insecticidal composition is obviously better than that of a single reagent. The insecticidal composition can be used in controlling lepidoptera pests on crops, especially cotton bollworm and stem borers, and effects of the insecticidal composition are obviously better than effects of a single reagent.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to an insecticidal composition with trifluroxyfen and furantenozide as main active ingredients and an application thereof. Background technique [0002] Pyridalyl, chemical name: 2-{3-[2.3-dichloro-4-(3,3-dichloro-2-propenyloxy)phenoxy]propoxy}-5 -(trifluoromethyl)pyrimidine, structural formula: [0003] [0004] Triflumepyr, also known as pyridalone, is a new type of pyrimidine insecticide with high efficiency and low toxicity developed by Sumitomo Chemical Company of Japan. It has excellent control effect on Lepidoptera pests. It is different from existing Lepidoptera No cross-resistance to insecticides. It has the effects of contact killing and stomach poisoning, and is mainly used to control Lepidoptera pest larvae that harm crops. In addition, it also has good control effects on Thysanoptera thrips and Diptera leaf miners. [0005] Fufenozide, molecular formula: C 2...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01P7/04A01N43/12
Inventor 韦琛鸿彭永强郭崇友张宝俊高瑞花
Owner NANJING HUAZHOU PHARMA
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