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Composite insecticidal composition containing pyridalyl and rotenone and use 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, easy generation of drug resistance, and inability to protect crops, and achieves overcoming pest resistance, delaying pest resistance, and good 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

[0009] 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 rotenone and use thereof
  • Composite insecticidal composition containing pyridalyl and rotenone and use thereof
  • Composite insecticidal composition containing pyridalyl and rotenone and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Weigh a total of 30 g of fluomepyr and rotenone, 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 EC, and mix them to prepare trifluramine-rotenone EC with a main active ingredient of 30% by weight. Wherein the specific ratios of flumefeline and rotenone are shown in Tables 1 and 2.

[0025] 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 1:

[0...

Embodiment 2

[0033] Weigh 5g trifluroxyfen, 50g rotenone, 3g phenylethylphenol polyoxypropylene polyoxyethylene ether, 33 Nongru ＃ 2g, Nongru 600#1g, solvent oil 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-rotenone water-based emulsion with a main active ingredient weight percent of 55%. Example 3:

Embodiment 3

[0034] Weigh 2g of flumepyr, 18g of rotenone, 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·rotenone microemulsion with a main active ingredient of 20% by weight.

[0035] Carry out control cotton bollworm efficacy test to embodiment 3, contrast agent is 2.5% rotenone EC and 100g / l trifluramine EC, dilutes according to the dilution multiple in table 3, checks 3 days after medicine, 7 days, 14 Day results, the processing results are shown in Table 3:

[0036] Table 3: Field test results of trifluramine-rotenone compound against resistant cotton bollworm

[0037]

[0038]

[0039] The results of field efficacy showed that the composition of flumeprofe-rotenone has excelle...

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Abstract

The invention discloses a composite insecticidal composition containing pyridalyl and rotenone and a use thereof. The composite insecticidal composition contains pyridalyl and rotenone as active insecticidal components and a weight ratio of pyridalyl to rotenone is 1-80: 1-80. The composite insecticidal composition can produce good synergism, overcomes and delays insect resistance to pesticides, has a fast insecticidal rate and a long persistent period, reduces a pesticide cost and has prevention and control effects obviously higher than that of a single-ingredient pesticide. The composite insecticidal composition can prevent and control lepidoptera pests of crops, especially can be used for preventing and controlling cotton bollworm and stem borers and has effects obviously higher than that of a single-ingredient pesticide.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a pesticide with trifluramine and rotenone as main active ingredients. [0002] Insect compositions and applications thereof. Background technique [0003] Pyridalyl, chemical name: 2-{3-[2.3-dichloro-4-(3,3-dichloro-2-propenyloxy)phenoxy]propoxy}-5 -(trifluoromethyl)pyrimidine, structural formula: [0004] [0005] 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. [0006] Rotenone (rotenone), structural formula:...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01P7/04A01N43/40
Inventor 石振龙黄娟张宝俊邢刚彭永强
Owner NANJING HUAZHOU PHARMA
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