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Insecticidal composition containing tolfenpxrad and pyridalyl and application thereof

The technology of an insecticidal composition and acetamiprid, which is applied in the field of pesticides, can solve the problems of high drug cost for farmers, easy generation of drug resistance, and inability to protect crops, and achieves reduction of field drug dosage, pesticide residues, and prevention and control labor. cost effect

Inactive Publication Date: 2013-04-17
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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  • Insecticidal composition containing tolfenpxrad and pyridalyl and application thereof
  • Insecticidal composition containing tolfenpxrad and pyridalyl and application thereof
  • Insecticidal composition containing tolfenpxrad and pyridalyl and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weighing tonamiprole and acetamiprop were prepared in different proportions by conventional preparation methods to prepare tonamiprole and acetamiprop emulsifiable concentrate with a main active ingredient weight percentage of 30%. See Table 1 for specific proportions.

[0024] The poisoning method of feed was used to measure the toxicity of tonamiprole, pyridalendr and their compound samples to cotton bollworm. Each treatment was repeated 3 times, and each concentration was treated with 30 heads. 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:

[0025] Table 1 Toxicity determination and co-toxicity coefficient of toxinpyrad, pyridalem and their compound samples to cotton bollworm

[0026]

[0027] The data in the table shows that the mixture of tolfenpyrad and acetamiprop has a synergistic effect on cotton bollworm, and the co-toxicity coefficients of the four ratios listed in the table are all far greater than 120. Ether mixing has a si...

Embodiment 2

[0029] Weighing tonamiprole and acetamiprop were prepared in different proportions by conventional preparation methods to prepare tonamiprole and acetamiprop emulsifiable concentrate with a main active ingredient weight percentage of 30%. See Table 2 for specific proportions.

[0030] The rice stem dipping method was used to determine the toxicity of tonamiprole, pyridalipr and their compound samples to Thrips tabaci, each treatment was repeated 3 times, and LC 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:

[0031] Table 2 Toxicity determination and co-toxicity coefficient of toxinpyrad, pyridalem and their compound samples to Thrips tabaci

[0032]

[0033]

[0034] The data in the table shows that the mixture of Fenpyran and Acetamiprop has a synergistic effect on Thrips tabaci, and the co-toxicity coefficients of the four ratios listed in the table are all far greater than 120. Therefore, Fenpyran and Acetamipro Ether mixing has a signif...

Embodiment 3

[0036] Weigh 5g of tonamiprole, 20g of pyridalendr, 4g of calcium dodecylbenzenesulfonate, 3g of phenethylphenol polyoxyethylene ether, and xylene to 100g, and put the above raw materials into the mixing tank according to the conventional method of preparing emulsifiable concentrate and mixed in the middle to form the tonamiprole-pyridalyl emulsifiable concentrate whose main active ingredient is 25% by weight.

[0037] Adopt the sample that this embodiment is equipped with and carry out the field experiment of preventing and treating cotton bollworm in field, contrast agent is 15% tolfenpyrad EC and 30% acetamiprop WDG, and concrete consumption is shown in Table 3, and the water consumption per mu is 30kg, after the medicine Check the results of 3 days, 7 days, 14 days, and 28 days. The test results are shown in Table 3:

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Abstract

The invention belongs to the field of agricultural chemicals and discloses an insecticidal composition containing tolfenpxrad and pyridalyl and an application thereof. The insecticidal composition takes the tolfenpxrad and the pyridalyl as main active ingredients, wherein the weight ratio of the tolfenpxrad to the pyridalyl is (0.1-80):(0.5-80). The insecticidal composition has the effects of expanding a control spectrum and realizing synergy, can reduce the cost of medication, can be prepared into missible oil, wettable powder, micro-emulsion, aqueous emulsion, suspension and water dispersible granules, and can be used for controlling lepidoptera, homoptera, hymenoptera, coleoptera and other various pests.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to an insecticidal composition containing tolfenpyrad and pyridalem and its application. Background technique [0002] Tolfenpyrad (Tolfenpyrad), chemical name: 4-chloro-3-ethyl-1-methyl-N-{[4-(4-methylphenoxy)phenyl]-methyl}-1H pyrazole -5-Carboxamide, off-white solid powder, density (25°C): 1.18g / cm, vapor pressure (25°C): <5×10Pa. Solubility (25°C): water 0.037mg / L, n-hexane 7.41g / L, toluene 366g / L, methanol 59.6g / L. Partition coefficient (n-octanol / water) (25°C): log Pow 5.61. The structural formula is: [0003] [0004] The acute toxicity of the tonfenpyrad preparation is: oral LD50102 (male), 83 (female) mg / kg for rats; oral LD50104 (male), 108 (female) mg / kg for mice. The acute percutaneous toxicity is relatively low, with LD50>2000mg / kg for rats and mice. Moderately irritating to rabbit eyes and skin. [0005] Fenpyramid is a new type of pyrazole heterocy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/56A01N43/40A01P7/04
Inventor 陈文明王红明郭崇友沈海峰乔璐曼
Owner NANJING HUAZHOU PHARMA
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