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Compound insecticidal composition containing pyridalyl and matrine, and application thereof

A technology of triflumefeline and insecticidal composition, 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 generation of drug resistance, so as to overcome pest drug resistance, delay pest drug resistance, and improve pesticide resistance. The effect of the control 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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  • Compound insecticidal composition containing pyridalyl and matrine, and application thereof
  • Compound insecticidal composition containing pyridalyl and matrine, and application thereof
  • Compound insecticidal composition containing pyridalyl and matrine, and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weigh a total of 30 g of fluomepyr and matrine, 4 g of calcium dodecylbenzenesulfonate, 4 g of phenethylphenol polyoxyethylene ether, and 100 g of vegetable oil. Put the above raw materials into a mixing tank according to the conventional method for preparing emulsifiable concentrate, and mix them to prepare trifluramine-matrine emulsifiable concentrate with a main active ingredient of 30% by weight. Wherein the specific ratios of fluomepyr and matrine are 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 ...

Embodiment 2

[0033] Weigh 5g trifluramine, 50g matrine, 3g phenylethylphenol polyoxypropylene polyoxyethylene ether, and 33 grams of agricultural milk ＃ 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 trifluramine-matrine water-based emulsion with a main active ingredient of 55% by weight.

Embodiment 3

[0035] Weigh 2g of fluomepyr, 18g of matrine, 6g of calcium dodecylbenzenesulfonate, 3g of phenylethylphenol polyoxypropylene polyoxyethylene ether, 33g 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 trifluramine-matrine microemulsion with a main active ingredient of 20% by weight.

[0036] Carry out control cotton bollworm efficacy test to embodiment 3, contrast agent is 4.5% matrine EC and 100g / l trifluramine EC, dilute according to the dilution multiple in table 3, check 3 days, 7 days after medicine , 14-day results, the processing results are shown in Table 3:

[0037] Table 3: Field test results of trifluramine-matrine compound against resistant cotton bollworm

[0038]

[0039]

[0040] The results of field efficacy showed that the combination of fluomefeline·matrine has excellent ...

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Abstract

The invention discloses a compound insecticidal composition containing pyridalyl and matrine, and application thereof. The insecticidal composition uses pyridalyl and matrine as insecticidal active components, wherein a weight ratio of pyridalyl to matrine is 1-80: 1-80. The insecticidal composition can produce high synergistic effect, overcomes and delays pest resistance to insecticide, has a fast insecticidal speed and a long persistent period, reduces insecticidal cost and exerts obviously better prevention and treatment effects compared with prevention and treatment effects of each single insecticide in the composition. The insecticidal composition provided by the invention can prevent and treat lepidoptera pests attacking crops, especially cotton bollworm and stem borers, and has obviously better prevention and treatment effects compared with prevention and treatment effects of each single insecticide in the composition.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to an insecticidal composition with trifluramine and matrine 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] Matrine, molecular formula: C15H24N2O, str...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01P7/04A01N43/40
Inventor 高瑞花彭永强甘华军石振龙邢刚
Owner NANJING HUAZHOU PHARMA
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