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Synergistic insecticidal composition containing clothianidin and pyridalyl and applications thereof

The technology of an insecticidal composition and acetamiprid, which is applied to the field of pesticides containing heterocyclic compounds, can solve the problems of high cost of drugs for farmers, inability to protect crops, and easy generation of drug resistance, so as to reduce the amount of drugs in the field and reduce the environmental impact. Effects of pollution and pesticide residues, reducing labor costs for prevention and control

Inactive Publication Date: 2014-03-12
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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  • Synergistic insecticidal composition containing clothianidin and pyridalyl and applications thereof
  • Synergistic insecticidal composition containing clothianidin and pyridalyl and applications thereof
  • Synergistic insecticidal composition containing clothianidin and pyridalyl and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Weigh 30 g of clothianidin, 4 g of pyridalyl calcium dodecylbenzenesulfonate, 3 g of phenethylphenol polyoxyethylene ether, and 100 g of vegetable oil. Put the above raw materials into a mixing tank according to the conventional method for preparing emulsifiable concentrate, and mix them to prepare clothianidin·pyridalipr emulsifiable concentrate with a main active ingredient of 30% by weight. The specific ratio of clothianidin and pyridalyl is shown in Table 1.

[0025] The toxicity of clothianidin, pyridalyl and their compound samples to cotton bollworm was determined by feed poisoning method, each treatment was repeated 3 times, and 30 heads were treated at each concentration, and the LC 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:

[0026] Table 1 Toxicity determination and co-toxicity coefficient of clothianidin, pyridalyl and their compound samples to cotton bollworm

[0027]

[0028] The data in the table shows that clothianidin...

Embodiment 2

[0030] Weigh clothianidin and pyridalk and use conventional preparation methods to prepare clothianidin-pyridalyl emulsifiable concentrate in different proportions with a main active ingredient of 30% by weight. See Table 2 for specific proportions.

[0031] The rice stem dipping method was used to determine the toxicity of clothianidin, pyridalyl and their compound samples to rice brown planthopper, each treatment was repeated 3 times, and LC 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:

[0032] Table 2 Toxicity determination and co-toxicity coefficient of tonfafen, pyridalem and their compound samples to rice brown planthopper

[0033]

[0034] The data in the table shows that clothianidin and acetamiprop have a synergistic effect on rice brown planthopper after mixing, and the co-toxicity coefficients of the four ratios listed in the table are all far greater than 120, so clothianidin and acetamiprop Mixing has a significant synergistic ef...

Embodiment 3

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

[0037] Adopt the sample of embodiment 3 to carry out the field test of field control cotton bollworm in field, contrast agent is 15% clothianidin EC and 30% acetamiprop WDG, and concrete consumption is shown in Table 3, and water consumption per mu is 30kg, after 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 discloses a synergistic insecticidal composition containing clothianidin and pyridalyl and applications thereof. The synergistic insecticidal composition employs clothianidin and pyridalyl as main effective components, wherein, the weight ratio of clothianidin to pyridalyl is 0.1-80:0.5-80. The insecticidal composition can enlarge the control spectrum, has synergistic effects, and can lower drug cost. The composition can be prepared into missible oil, wettable powder, microemulsion, emulsion in water, suspending agents and water dispersion granules, and is used for control of various insects of lepidoptera, hemiptera, hymenoptera, coleopteran and the like.

Description

technical field [0001] The invention belongs to the field of pesticides containing heterocyclic compounds, and in particular relates to an insecticidal composition with clothianidin and pyridalyl as main active ingredients and an application thereof. Background technique [0002] Clothianidin, chemical name: E)-1-(2-chloro-1,3-thiazol-5-ylmethyl)-3-methyl-2-nitroguanidine; chemical formula: C 6 h 8 ClN 5 o 2 S; pure product is white crystal, melting point 176.8°C, vapor pressure (20°C) 3.8×10-11Pa, solubility (g / L, 25°C): 0.327 in water (20°C), 2.03 in ethyl acetate, n-heptyl <0.00104 in alkane, 0.0128 in xylene, 1.32 in dichloromethane, 0.938 in octanol, 15.2 in acetone, and 6.26 in methanol. Structural formula: [0003] [0004] Clothianidin acute oral toxicity, male and female rats: LD50>5000mg / kg, acute dermal toxicity: male and female rats: LD50>2000mg / kg, human inhalation toxicity: male and female rats, 6.1mg / L. [0005] Clothianidin is a neonicotinoi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N51/00A01N43/40A01P7/04
Inventor 陈文明袁竹青彭永强吴敏沈海峰
Owner NANJING HUAZHOU PHARMA
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