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Synergic insecticide composition

A technology of insecticidal composition and active substance, applied in the direction of insecticide, biocide, animal repellent, etc., can solve the problems of slow action speed and limited use, so as to prolong the service life, delay the development of resistance, improve long-lasting effect

Active Publication Date: 2010-03-17
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of benzoylurea pesticide active substances is that they act slowly, and generally reach the peak of death 3 to 7 days after application, which limits their use to a certain extent.

Method used

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  • Synergic insecticide composition
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Example 1: 6% pyridalef-lufenuron microemulsion

[0068] 95% pyridalyl technical 3.16g

[0069] 96% Lufenuron Technical 3.13g

[0070] N-Methylpyrrolidone (solvent) 10g

[0071] Tristyrylphenol polyoxyethylene polyoxypropylene ether (emulsifier) ​​5g

[0072] Calcium dodecylbenzenesulfonate (emulsifier) ​​5g

[0073] Water to make up to 100g.

[0074] The original drug, solvent and emulsifier are added together to dissolve into a uniform oil phase; under high-speed stirring, the oil phase is mixed with water to prepare a 6% pyridalef-lufenuron microemulsion.

[0075] The compound agent of this embodiment is sprayed at the following concentrations to prevent and control tomato bollworm (this population shows a moderate level of resistance to lambda-cyhalothrin), and the control effect is shown in Table 5. It can be seen from Table 5 that the control effect of the compound agent after 1 day is much higher than that of a single agent of lufenuron, indicating that the ...

Embodiment 2

[0078] Example 2: 21% pyridalef-lufenuron emulsifiable concentrate

[0079] 95% Pyridalyl Technical 1.05g

[0080] 96% lufenuron technical 20.41g

[0081] Calcium dodecylbenzenesulfonate (emulsifier) ​​5g

[0082] Tristyrylphenol polyoxyethylene polyoxypropylene ether (emulsifier) ​​5g

[0083] Xylene (solvent) was made up to 100 g.

[0084] Add the active ingredient, emulsifier and solubilizer into the mixing kettle according to the formula, and stir evenly to prepare 21% pyridalef-lufenuron emulsifiable concentrate.

[0085] The compound agent of this implementation is applied to the prevention and treatment of tea inchworm. 21% acetamiprop-lufenuron EC was diluted and sprayed at 4200 times, and the control effects were 80.3% and 98.1% at 1 day and 3 days after drug application respectively; 15% acetamiprop EC was diluted and sprayed at 4500 times, The control effects of 1 day and 3 days after application were 74.1% and 88.9% respectively; 5% lufenuron EC was diluted an...

Embodiment 3

[0086] Example 3: 33% Pyridalyl Lufenuron EC

[0087] 95% Pyridalyl Technical 31.58g

[0088] 96% Lufenuron Technical 3.13g

[0089] Tween-80 (emulsifier) ​​10g

[0090] Xylene (solvent) was made up to 100 g.

[0091] Add the active ingredient, emulsifier and solvent into the mixing kettle according to the formula, and stir evenly to prepare 33% pyridalef-lufenuron emulsifiable concentrate.

[0092] The compound agent of this example is used in the control of Plutella xylostella in Shenzhen Longgang vegetable farm (in this area, Plutella xylostella has produced a moderate level of resistance to hexaflumuron). 33% acetamiprop · lufenuron EC was sprayed according to the dosage of 30 g / ha of active ingredients, and the control effects were 94.14% and 85.3% after 3 days and 15 days after spraying; 75 g / ha spray dilution spray, 3 days after the drug, 15 days after the drug, the control effect was 85.6.3% and 60.3% respectively; Days and 15 days after treatment, the control eff...

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Abstract

The invention relates to an insecticide composition which is characterized by comprising effective ingredients such as pyridalyl (A) and a benzoyl urea pesticide active ingredient (B), wherein, B is lufenuron, hexaflumuron, chlorfluazuron, flufenoxuron or chlorbenzuron. The insecticide composition of the invention has obvious synergic effect on lepidoptera pests in agriculture, especially has excellent control effect on diamond back moth, and can postpone generation and developemnt of drug resistance of the pests.

Description

technical field [0001] The invention relates to an insecticidal composition, especially an insecticidal composition containing pyridalyl. Background technique [0002] The vast majority of Lepidoptera pests harm plants with their larvae feeding on leaves, stamens, buds, fruits, and branches of plants. Most of these pests are gluttonous. In addition, they have strong reproductive ability and high population density. Once a large number of pests occur, they will often cause devastating disasters to crops. [0003] Benzoylurea pesticide active substances can inhibit the activity of insect chitin synthase, hinder the synthesis of chitin, hinder the molt and pupation of insects, slow down their activities, reduce their feeding, and eventually die. Benzoylurea pesticide active substances are highly effective against Lepidoptera larvae, have a long duration of action, and are safe to higher animals. They are in line with the development trend of green pesticides and have broad app...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N47/34A01P7/04
Inventor 文伯健曹明章朱卫锋孙华英孔建王芳
Owner SHENZHEN NOPOSION AGROCHEM
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