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Synergistic pesticide composition containing chlorfenapyr fluorobenzene bisamide and neonicotinoid insecticide

A technology of bromflubendiamide and a pesticide composition, which is applied in the field of pesticides and can solve problems such as pollution, pesticide residue environment, and pests' easy resistance to pesticides

Inactive Publication Date: 2019-07-30
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the widespread and extensive use of neonicotinoid insecticides, it has been found that many pests have developed resistance to neonicotinoid insecticides
[0005] In the actual process of agricultural production, the application of chemical pesticides is the most effective means of preventing and controlling plant diseases and insect pests. However, through chemical pesticides to control pests, pests are very easy to develop resistance, and long-term continuous high-dose application of a single chemical pesticide is likely to cause pesticide damage. A series of problems such as residues and environmental pollution

Method used

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  • Synergistic pesticide composition containing chlorfenapyr fluorobenzene bisamide and neonicotinoid insecticide
  • Synergistic pesticide composition containing chlorfenapyr fluorobenzene bisamide and neonicotinoid insecticide
  • Synergistic pesticide composition containing chlorfenapyr fluorobenzene bisamide and neonicotinoid insecticide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1: Combined toxicity test of different ratios of bromflubendiamide and dinotefuran on cotton aphids.

[0031] 1. Prepare the pesticide raw material with organic solvent DMF or DMSO to make a 1%-5% mother solution, and then dilute the pesticide mother solution with an aqueous solution containing 0.1%-Tween to form 5-7 serial determination solutions;

[0032] 2. Immerse the cotton leaf with cotton aphid directly in the liquid to be tested for 5 seconds, take it out and put it into a clean petri dish, dry and seal it; repeat 3 times for each liquid. Check the mortality after keeping in the light incubator at (27±1)°C for 24 hours;

[0033] 3. Criterion for judging death: lightly touch the worm body with a needle and no response or uncoordinated response is considered dead;

[0034] 4. Statistically analyze the test results with the probability value method to obtain the toxicity regression line and LC 50 value etc. The co-toxicity coefficient (CTC value) of the ...

Embodiment 2

[0047] Example 2: Combined toxicity test of different ratios of bromflubendiamide and clothianidin against green peach aphid.

[0048] 1. Prepare the pesticide raw material with organic solvent DMF or DMSO to make a 1%-5% mother solution, and then dilute the pesticide mother solution with 0.1% Tween aqueous solution to form 5-7 series of concentration determination solutions;

[0049] 2. Immerse the leaves of cabbage with peach aphid directly in the liquid to be tested for 5 seconds, take it out and put it into a clean petri dish, dry and seal it; repeat 3 times for each liquid. Check the mortality after keeping in the light incubator at (27±1)°C for 24 hours;

[0050] 3. Criterion for judging death: lightly touch the worm body with a needle and no response or uncoordinated response is considered dead;

[0051] 4. Statistically analyze the test results with the probability value method to obtain the toxicity regression line and LC 50 value etc. The co-toxicity coefficient (...

Embodiment 3

[0064] Example 3: The joint toxicity test of different ratios of bromflubendiamide and imidacloprid on citrus psyllids.

[0065] 1. Prepare 2% mother liquor by using organic solvent DMF or DMSO as the original pesticide, and then prepare 5 assay liquids with the aqueous solution of 0.05% Triton X-100, a universal emulsifier;

[0066] 2. Collect tender branches with citrus psyllid nymphs from the field, remove excess leaves, and wrap the base of the branches with wet cotton to keep them moisturized. The shoots and leaves with nymphs were dipped in the prepared liquid for 10 seconds, dried, and the number of nymphs was counted. The base of the branches soaked in the medicinal solution is plunged into the finger tube water to keep the branches fresh for a long time. About 30 heads were treated and repeated 3 times. After treatment, put them in a light incubator at 27°C±1°C for recovery. Mortality was counted 3 days after administration. ;

[0067] 4. Statistically analyze th...

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Abstract

The invention relates to a synergistic pesticide composition containing chlorfenapyr fluorobenzamide bisamide and neonicotinoid insecticide. The active ingredient is a binary compound of the chlorfenapyr fluorobenzene bisamide and the neonicotinoid insecticide. The mass ratio of the chlorfenapyr fluorobenzene bisamide to the neonicotinoid insecticide is 1:50-50:1, the mass ratio of the active ingredient chlorfenapyr fluorobenzene bisamide to the flunicarbamide is 1%-80%, and the rest is an auxiliary component; the dosage form of an insecticidal composition is a water-dispersible granule, wettable powder, a suspending agent, an emulsifiable concentrate, a microemulsion or an an aqueous emulsion, and the composition is mainly used for controlling hemiptera, lepidoptera and coleoptera such ashibiscus, planthopper, whiteflies, spider mites, mites, blind mites, scale insects, mites, cotton bollworm, diamondback moth, grass worms, leaf roller moths, heartworm, potato beetles and the like. The composition expands the insecticidal spectrum of a single agent, and has a significant synergistic effect, and the insecticidal activity is obviously enhanced than the single agent, which reduces the dosage of a pesticide and reduces the environmental pollution.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to an insecticide compounded with bromflubendiamide and neonicotinoid insecticides. Background technique [0002] Broflanilide is a new bisamide structure insecticide jointly developed by Mitsui Agrochemical Co., Ltd. and BASF. It is mainly used to control Lepidoptera and Coleoptera in vegetables, rice, soybeans, cotton, and corn. Pests and sanitation pests such as termites, mosquitoes, and cockroaches. It is believed that desmethyl-bromflubendiamide produced by the metabolism of bromflubendiamide has non-competitive resistance to GABA receptor antagonists, and the action site of demethyl-bromflubendiamide is related to that of sulffluben. On the other hand, although the action sites of desmethyl-bromflubendiamide and macrolide insecticides overlap, but the mechanism of action of the two is completely different, so this agent can control p-cyclopentadiene Pests resistant to alk...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N37/46A01N51/00A01N43/40A01P7/04
CPCA01N37/46A01N43/40A01N51/00
Inventor 崔丽王立芮昌辉王奇渊
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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