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Compound pesticidal composition containing methoxyfenozide and profenofos and application thereof

A technology containing methoxyfenozide and an insecticidal composition, which is applied in the field of pesticides, can solve the problems that no methoxyfenozide insecticidal composition has been found, and the decline has achieved the goal of overcoming pest resistance, expanding the control spectrum, and resisting insecticides. Sexual Enhancement Effects

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

AI Technical Summary

Problems solved by technology

However, the resistance of diamondback moth, cotton bollworm and thrips is gradually increasing under the current long-term application conditions, and the effect of single-dose pesticides on pest control is gradually decreasing.
The inventors have found through research that the synergistic compounding of pesticides is an effective measure to expand the control spectrum and improve the control effect. So far, no insecticidal composition related to methoxyfenozide and profenofos has been found.

Method used

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Weighing methoxyfenozide and profenofos were prepared in different proportions by conventional preparation methods to prepare methoxyfenozide profenofos emulsifiable concentrate with a main active ingredient weight percentage of 30%. See Tables 1 and 2 for specific ratios.

[0023] 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:

[0024] Table 1 Toxicity determination of methoxyfenozide and profenofos compound and single dose against resistant Plutella xylostella

[0025]

[0026] It can be seen fr...

Embodiment 2

[0032] Weigh 5g methoxyfenozide, 50g profenofos, 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 emulsion, and mix at high speed to form a methoxyfenozide profenofos water emulsion with a main active ingredient weight percentage of 55%.

Embodiment 3

[0034] Weigh 2g of methoxyfenozide, 18g of profenofos, 6g of calcium dodecylbenzenesulfonate, 3g of phenethylphenol polyoxyethylene ether phosphate, 33g 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 methoxyfenozide profenofos microemulsion with a main active ingredient of 20% by weight.

[0035] Example 3 is carried out to prevent and control vegetables Plutella xylostella drug effect test, according to the consumption medication in table 3, every mu land uses 20g, 30g, contrast agent is 40% profenofos EC (emulsifiable concentrate) 30g / mu and 15% methoxyfen Hydrazide 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:

[0036] Table 3: Field test results of the combination of methoxyfenozide and...

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Abstract

The invention discloses a compound pesticidal composition containing methoxyfenozide and profenofos and application thereof. The pesticidal composition uses methoxyfenozide and profenofos as main effective components, wherein the weight ratio of the methoxyfenozide to the profenofos 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 rice fulgorids 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, and in particular relates to a compound insecticidal composition containing methoxyfenozide and profenofos and its application. Background technique [0002] Methoxyfenozide, chemical name: N-tert-butyl-N'-(3-methoxy-2-methylbenzoyl)-3,5-dimethylbenzoylhydrazide. The structural formula is: [0003] [0004] The pure product is a white powder with a melting point of 202-205°C. Water solubility at 20°C <1mg / L. Solubility in other solvents: dimethyl sulfoxide 11g / L, cyclohexanone 9.9g / L, acetone 9g / L. Stable in storage at 25°C, hydrolyzed at 25°C, PH=5, 7, 9. [0005] Low toxicity of methoxyfenozide preparation, acute oral LD ​​in rats 50 5000mg / kg, acute percutaneous LD 50 >2000mg / kg. [0006] Methoxyfenozide is a kind of insect growth regulator, which mainly interferes with the normal growth and development of insects, even if the insects molt and die, and can inhibit feeding. This produ...

Claims

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Application Information

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IPC IPC(8): A01N57/14A01N37/40A01P7/02A01P7/04
Inventor 齐武陈文明杨瑞成高瑞花苑志军
Owner NANJING HUAZHOU PHARMA
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