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Synergistic insecticidal composition containing tolfenpyrad and chlorantraniliprole and application

A technology of chlorantraniliprole and insecticidal composition, which is applied in the field of synergistic insecticidal composition, can solve the problems of farmers' high cost of drug use, easy generation of drug resistance, and inability to protect crops, so as to reduce the amount of drug used in the field and reduce the Environmental pollution and pesticide residues, and the effect of reducing labor costs for prevention and control

Active Publication Date: 2013-04-24
NANJING HUAZHOU PHARMA +1
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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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  • Synergistic insecticidal composition containing tolfenpyrad and chlorantraniliprole and application
  • Synergistic insecticidal composition containing tolfenpyrad and chlorantraniliprole and application
  • Synergistic insecticidal composition containing tolfenpyrad and chlorantraniliprole and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Weighing tonamiprole and chlorantraniliprole were prepared in different proportions by conventional preparation methods to prepare tonamiprole·chlorantraniliprole emulsifiable concentrate with a main active ingredient weight percentage of 30%. See Table 1 for specific proportions.

[0023] The toxicity of tonamiprole, chlorantraniliprole and their compound samples to rice stem borer was determined by the feed poisoning method. 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:

[0024] Table 1 Toxicity determination and co-toxicity coefficient of toxinpyran, chlorantraniliprole and their compound samples to rice stem borer

[0025]

[0026] The data in the table shows that the mixture of tonamirad and chlorantraniliprole has a synergistic effect on rice stem borer, and the co-toxicity coefficients of the four ratios listed in the table are all far greater t...

Embodiment 2

[0028] Weighing tonamiprole and chlorantraniliprole were prepared in different proportions by conventional preparation methods to prepare tonamiprole·chlorantraniliprole emulsifiable concentrate with a main active ingredient weight percentage of 30%. See Table 2 for specific proportions.

[0029] The rice stem dipping method was used to determine the toxicity of tolfenpyrad, chlorantraniliprole and their compound samples to rice leaf rollers, each treatment was repeated 3 times, and the LC 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:

[0030] Table 2 Toxicity determination and co-toxicity coefficient of tolfenpyrad, chlorantraniliprole and their compound samples to rice leaf roller

[0031]

[0032] The data in the table shows that the mixture of tonamiprole and chlorantraniliprole has a synergistic effect on the rice leaf roller, and the co-toxicity coefficients of the four ratios listed in the table are all far greater than 120. The mixture...

Embodiment 3

[0034] Weigh 5g of fenpyran, 20g of chlorantraniliprole, 4g of calcium dodecylbenzenesulfonate, 3g of phenethylphenol polyoxyethylene ether, add xylene to 100g, and put the above raw materials into Mixing in a mixing tank to form tonamiprole·chlorantraniliprole emulsifiable concentrate whose main active ingredient is 25% by weight.

[0035] The sample prepared in Example 3 was used to carry out the field test of controlling rice leaf roller in the field, and the contrast agent was 15% chlorantraniliprole EC (emulsifiable concentrate) and 22% chlorantraniliprole SC (suspension concentrate), and the specific dosages are shown in the table 3. The water consumption per mu is 30kg, and the results will be checked in 3 days, 7 days, 14 days, and 28 days after treatment. Use clear water as a blank control, and the test results are shown in Table 3:

[0036] Table 3 example 3 sample is to the field test result of paddy rice leaf roller

[0037]

[0038]

[0039] It can be seen...

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Abstract

The invention discloses a synergistic insecticidal composition containing tolfenpyrad and chlorantraniliprole and an application, the synergistic insecticidal composition takes tolfenpyrad and chlorantraniliprole as main effective components, wherein the weight ratio of tolfenpyrad to chlorantraniliprole is 0.1-80:0.5-80. The insecticidal composition has effects for enlarging the prevention and cure scope and synergia, and the medication cost is reduced, and the synergistic insecticidal composition can be prepared to a missible oil, a wettable powder, a microemulsion, an emulsion in water, a suspending agent and a water dispersible granule, and the synergistic insecticidal composition can be used for preventing and treating various pests such as Lepidoptera, Homoptera, Hymenoptera, thysanoptera and coleopteran.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a synergistic insecticidal composition containing tolfenpyrad and chlorantraniliprole and an application thereof. 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 LD50 for rats 102 (male), 83 (female) mg / kg; oral LD50 for mice 104 (male), 108 (female) mg / kg. 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/56A01P7/04
Inventor 彭永强刘奎涛朱有智齐武赵广福
Owner NANJING HUAZHOU PHARMA
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