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Synergistic pesticide composition containing lambda-cyhalothrin and hexaflumuron

A technology of lambda-cyhalothrin and pesticide composition, which is applied in the field of pesticides to achieve obvious synergistic effects, reduce production costs and use costs, and delay the effects of pest resistance

Inactive Publication Date: 2017-05-31
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

On the basis of indoor screening and field experiments, we found that the combination of lambda-cyhalothrin and hexaflumuron has obvious synergistic effect, and the insecticidal composition of the compound of lambda-cyhalothrin and hexaflumuron and applications are currently unreported

Method used

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  • Synergistic pesticide composition containing lambda-cyhalothrin and hexaflumuron
  • Synergistic pesticide composition containing lambda-cyhalothrin and hexaflumuron
  • Synergistic pesticide composition containing lambda-cyhalothrin and hexaflumuron

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1: Combined toxicity test of different ratios of lambda-cyhalothrin and hexaflumuron on cotton bollworm.

[0031] The test takes cotton bollworm as the test object, and adopts the method of measuring the toxicity of leaf dipping inoculation, and the specific method is as follows:

[0032] 1. Prepare the pesticide raw material with organic solvent DMF or DMSO to make 2%-5% mother liquor, then dilute the pesticide mother liquor with an aqueous solution containing 0.05%-Triton X-100 to form 5-7 serial determination liquids;

[0033] 2. Rinse the leaves (non-transgenic insect-resistant cotton leaves) with clear water, dry them, and punch them into small discs with a punch (the diameter of the small discs depends on the aperture size of the test box, such as the aperture of a 10-well culture box is 15 mm, the diameter of the small disc is 15 mm), dipped in the liquid medicine for 10 seconds, dried, and then put it in the test box, one per hole, for use;

[0034] 3. ...

Embodiment 2

[0049] Embodiment 2: Field control effect of compound pesticide preparation of the present invention on cotton bollworm

[0050] The experiment was carried out in the cotton fields of Langfang City, Hebei Province. Cotton fields with good water and fertilizer conditions and serious occurrence of cotton bollworm were selected. Spray with water according to the design concentration of each treatment, every 667m 2 Use 45kg of water to spray evenly on the front and back of the cotton leaves with a Gongnong-16 sprayer. Each treatment was repeated 4 times, and the area of ​​each plot was 50 square meters, arranged in random blocks. Investigate the insect population base before spraying, adopt 5-point sampling method, select about 5 cotton plants with cotton bollworm eggs and larvae at each point (depending on the insect population density), count the number of cotton bollworm larvae on the fixed plant, and use this as the pre-spraying method. Insect population base. The survivin...

Embodiment 3

[0056] Embodiment 3: Field control effect of compound pesticide preparation of the present invention on beet armyworm

[0057] The experiment was carried out at the vegetable planting base in Daxing District, Beijing. Choose a cabbage field with good water and fertilizer conditions and heavy beet armyworm occurrence. Spray with water according to the dosage of each agent, every 667m 2 Use 45kg of water and spray evenly with a Gongnong-16 sprayer. Each treatment was repeated 4 times, and the area of ​​each plot was 50 square meters, arranged in random blocks. Investigate the base number of insect population before spraying, take 5-point sampling method, select about 3-5 cabbage strains (depending on the population density) of beet armyworm ovum and larvae at each point, and count the number of beet armyworm larvae heads on the fixed plants, as This is used as the base number of insect population before application. The surviving beet armyworm on the fixed plants was investi...

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Abstract

The invention relates to a synergistic pesticide composition containing lambda-cyhalothrin and hexaflumuron. The effective ingredient of the synergistic pesticide composition is a binary combination of the lambda-cyhalothrin and the hexaflumuron, wherein the mass ratio of the lambda-cyhalothrin to the hexaflumuron is (1:50) to (50:1), and the mass ratio of the effective ingredients, namely the lambda-cyhalothrin and the hexaflumuron in a preparation is 1-80%, and the balance is an auxiliary ingredient. The dosage form of the pesticide composition is water dispersible granules, wettable powder, a suspending agent, missible oil,a microemulsion or an emulsion in water. The synergistic pesticide composition is mainly used for preventing and controlling lepidoptera pests, such as helicoverpa armigera, heliothis virescens, tobacco hornworm, diamond back moth, armyworm, beet armyworm, spodoptera frugiperda, cabbage argyrogramma agnate, imported cabbageworm, flowering cabbage, cabbage strip moth, manduca quinquemaculata, rice-stem borer, rice leaf folder and ostrinia nubilalis. The synergistic pesticide composition has a significant synergistic effect, the insecticidal activity is obviously strengthened in comparison with that of a single dosage, the dose of a pesticide is reduced and the environmental pollution is reduced.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a synergistic pesticide composition containing lambda-cyhalothrin and hexaflumuron. Background technique [0002] Lambda-cyhalothrin (Lambda-cyhalothrin) is also known as cyhalothrin and kungfuthrin, chemical name: α-cyano-3-phenoxybenzyl-3-(2-chloro-3, 3,3-Trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate, molecular formula: C23H19ClF3NO3, is a contact and stomach poisoning pyrethroid insecticide. It has a good control effect on various pests and harmful mites such as Lepidoptera, Coleoptera and Hemiptera. It can inhibit the conduction of insect nerves in the axon, and has contact killing, stomach poisoning, avoiding and knocking down insects. It has a wide insecticidal spectrum, high activity, rapid drug effect, and is resistant to rain after spraying, but it is easy to develop resistance to it after long-term use. Lambda-cyhalothrin has relatively low toxicity to ...

Claims

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Application Information

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IPC IPC(8): A01N53/08A01N47/34A01P7/04
CPCA01N47/34A01N53/00A01N2300/00
Inventor 芮昌辉崔丽王芹芹
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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