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Compound pesticidal composition containing thiacloprid and methoxyfenozide and application thereof

A technology of methoxyfenozide and an insecticidal composition, which is applied in the field of pesticides and can solve the problems such as the insecticidal composition of thiacloprid and methoxyfenozide that has not yet been found, the decrease in pest control effect, and the increase in resistance, and the like, Achieve the effect of overcoming pest resistance, delaying pest resistance, and reducing production and use costs

Active Publication Date: 2014-02-12
NANJING HUAZHOU PHARMA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, the resistance of whiteflies, planthoppers, leafhoppers, aphids, diamondback moths, cotton bollworms and thrips gradually increases under the current long-term medication conditions, and the effect of single-dose pesticides on pest control gradually decreases.
The inventors have found through research that synergistic compounding of pesticides is an effective measure to expand the control spectrum and improve control efficiency. So far, no insecticidal composition related to thiacloprid and methoxyfenozide has been found.

Method used

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  • Compound pesticidal composition containing thiacloprid and methoxyfenozide and application thereof
  • Compound pesticidal composition containing thiacloprid and methoxyfenozide and application thereof
  • Compound pesticidal composition containing thiacloprid and methoxyfenozide and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weigh thiacloprid and methoxyfenozide and prepare thiacloprid-methoxyfenozide emulsifiable concentrate with 30% weight percentage of the main active ingredient by conventional preparation methods in different proportions. See Tables 1 and 2 for specific ratios.

[0024] The indoor synergistic bioassay was carried out by the leaf dipping method, and the resistant Plutella xylostella was selected as the target pest. Each treatment was repeated 3 times, and 60 heads were treated at each concentration. The toxicological regression equation and lethality of the resistant Plutella xylostella were calculated by the probability value method Medium 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:

[0025] Table 1 Toxicity determination of thiacloprid and methoxyfenozide compound and single agent against resistant Plutella xylostella

[0026]

[0027] It can be seen from Table 1...

Embodiment 2

[0033] Weigh 5g thiacloprid, 50g methoxyfenozide, 3g phenethylphenol polyoxyethylene ether phosphate, agricultural milk 33 ＃ 2g, Nongru 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 thiacloprid-methoxyfenozide water-based emulsion with a main active ingredient of 55% by weight.

Embodiment 3

[0035] Weigh 2g of thiacloprid, 18g of methoxyfenozide, 6g of calcium dodecylbenzenesulfonate, 3g of phenethylphenol polyoxyethylene ether phosphate, and 33 grams of agricultural milk ＃ 2g, Nongru 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 thiacloprid·methoxyfenozide microemulsion with a main active ingredient of 20% by weight.

[0036] Example 3 is carried out to prevent and control vegetables Plutella xylostella drug efficacy test, according to the amount of medication in Table 3, 20g, 30g per mu of land, the contrast agent is 40% methoxyfenozide EC (emulsifiable concentrate) 30g / mu and 15% thiophene Clocloprid EC30g / mu, use clear water as blank control, check the results of 3 days, 7 days, 14 days and 28 days after the medicine, the treatment results are shown in Table 3:

[0037] Table 3: Field test results of the combination of thia...

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Abstract

The invention discloses a compound pesticidal composition containing thiacloprid and methoxyfenozide and application thereof. The pesticidal composition uses thiacloprid and methoxyfenozide as main effective components, wherein the weight ratio of the thiacloprid to the methoxyfenozide is (0.1-80):(0.5-80). The pesticidal composition can generate higher synergic effect, overcomes and postpones the drug resistance of pests, has the advantages of high pesticidal speed and long duration time, lowers the pesticide cost, and has obviously higher preventing and treating effects than a single agent. The pesticidal composition can be used for preventing and treating Homoptera, Lepidoptera, Hemiptera, Coleoptera, Hymenoptera, Diptera, Thysanoptera and acarid pests on crops, especially has specially good effect on preventing and treating planthoppers, aleyrodids, leafhoppers and aphids in Homoptera, cabbage moths, cotton bollworms and asparagus caterpillars in Lepidoptera, thrips in Thysanoptera, acarids and other pests, and has obviously higher effect than a single agent.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a compound insecticidal composition containing thiacloprid and methoxyfenozide and its application. Background technique [0002] Thiacloprid, chemical name: (3-((6-chloro-3-pyridyl)methyl)-1,3-thiazoline-2-ylidene) cyanamide, structural formula: [0003] [0004] Thiacloprid is a new type of chloronicotinoid insecticide developed jointly by Bayer Agrochemical Company of Germany and Bayer Agrochemical Company of Japan. Its mechanism of action is different from other traditional insecticides. It mainly acts on the post-junction membrane of insect nerves. By combining with nicotinic acetylcholine receptors, it interferes with the normal conduction of the insect nervous system, causing blockage of nerve channels, resulting in a large accumulation of acetylcholine, which makes insects extremely excited, body convulsions, paralysis and death. . It has strong systemic, contact and stoma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/40A01N37/40A01P7/04
Inventor 齐武陈文明杨瑞成高瑞花苑志军
Owner NANJING HUAZHOU PHARMA
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