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Synergistic insecticidal composition containing nitenpyram and acetamiprid, and application thereof

An insecticidal composition and technology containing nitenpyram, applied in the field of pesticides, can solve the problems of poor control effect of rice planthopper and no insecticidal drug composition has been found, so as to reduce the amount of pesticides used in the field, reduce environmental pollution and Pesticide residues and the effect of reducing the labor cost of prevention and control

Inactive Publication Date: 2011-04-20
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But acetamiprid is not effective against rice planthopper
[0008] Rice planthoppers and aphids have gradually increased their resistance under the current long-term medication conditions, and the effect of single-dose pesticides on pest control has gradually declined. The inventors have found through research that synergistic compounding of pesticides is the key to expanding the control spectrum and improving the control efficiency. Effective measures, so far no insecticidal composition related to the compounding of nitenpyram and acetamiprid has been found

Method used

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  • Synergistic insecticidal composition containing nitenpyram and acetamiprid, and application thereof
  • Synergistic insecticidal composition containing nitenpyram and acetamiprid, and application thereof
  • Synergistic insecticidal composition containing nitenpyram and acetamiprid, and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Nitenpyram and acetamiprid were weighed and prepared in different proportions by conventional preparation methods to prepare nitenpyram-acetamiprid emulsifiable concentrate with a main active ingredient mass percentage of 30%. The specific proportions are shown in Tables 1 and 2.

[0023] Indoor synergistic bioassay was carried out by rice stem dipping method, and the resistant rice planthopper was selected as the target pest. 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:

[0024] Table 1 Toxicity determination of Nitenpyram and acetamiprid compound and single dose against resistant rice planthopper.

[0025]

[0026] It can be seen from Table 1 that the combination of nitenpyram and acetamiprid has a co-toxicity coefficient greater than 120, showing a good synergistic effect.

[0027] The resistant wheat aphids were selected as the target pests by dipping insects and leaves, and each treatment was repeated 3 times. 50 Calculate the co-...

Embodiment 2

[0040] Weigh 0.5g of nitenpyram, 10g of acetamiprid, 4g of calcium dodecylbenzenesulfonate, 3g of phenethylphenol polyoxyethylene ether, and xylene to 100g, and mix the above raw materials according to the conventional method of preparing emulsifiable concentrate Mix in the kettle to form a preparation of 10.5% nitenpyram-acetamiprid emulsifiable concentrate.

Embodiment 3

[0042] Weigh 2g nitenpyram, 8g acetamiprid, emulsifier 1602 # 4g, emulsifier 500 # 2g, 4g of N-methylpyrrolidone, 6g of isopropanol, 3g of xylene, and the balance is water. Put the above raw materials into a mixing tank according to the conventional method for preparing microemulsions and mix them to form 10% nitenpyram acetamiprid Microemulsion.

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Abstract

The invention discloses a synergistic insecticidal composition containing nitenpyram and acetamiprid, and application thereof. The synergistic insecticidal composition takes the nitenpyram and the acetamiprid as main active ingredients, wherein the weight ratio of the nitenpyram to the acetamiprid is 0.1-80:0.1-70. The insecticidal composition can realize relatively higher synergy, overcome and retard the resistance of insects to pesticides, ensure high insecticidal rate and long effective duration, reduce the application cost and prevent and control hemiptera insects, and is particularly used for preventing and controlling nilaparvata lugens and wheat aphids with effects remarkably better than that in the independent use of the nitenpyram and the acetamiprid.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a synergistic insecticidal composition with nitenpyram and acetamiprid as main active ingredients and an application thereof. Background technique [0002] Nitenpyram is a neonicotinoid insecticide with the chemical name (E)-N-(6-chloro-3-pyridylmethyl)-N-ethyl-N′-methyl-2 - Nitroethylenediamine. The structural formula is as follows: [0003] [0004] The drug has a wide insecticidal spectrum, and is widely used in agriculture and horticulture to prevent and control aphids, leafhoppers, thrips, planthoppers and other pests. It has low dosage, low toxicity, long-lasting drug effect, no harm to crops, and is safe to use; Based on the nicotinic acetylcholine receptor, the method is unique, pests are not easy to develop resistance, and it has excellent systemic and osmotic effects. The market prospect is relatively broad, but the price of its commercially available raw drug...

Claims

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Application Information

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IPC IPC(8): A01N47/40A01N43/40A01P7/04
Inventor 卢玉刚齐武陈文明郭崇友张宝俊沈海峰
Owner NANJING HUAZHOU PHARMA
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