Insecticidal composition containing bifenthrin and celangulin

An insecticidal composition and a technology of picolin, which are applied in the field of pesticide application, can solve the problems of increased resistance to bifenthrin, decreased drug efficacy, etc., and achieve the improvement of control effect, reduction of application amount, reduction of usage amount and the like. The effect of the number of uses

Inactive Publication Date: 2017-02-22
JIANGSU SANSHAN PESTICIDE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an insecticidal composition containing bifenthrin and picrodine to solve the problem of increased resistance and reduced efficacy of bifenthrin due to single and frequent use

Method used

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  • Insecticidal composition containing bifenthrin and celangulin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: Indoor Toxicity Determination of Bifenthrin, Phyllanthrin and Their Mixtures to Tea Tree False-eyed Leafhopper

[0018] Test object: tea leafhopper (Empoasca flavescens) was collected from Nanjing County, Zhangzhou City, Fujian Province, cultivated on tea trees, and the same 3rd instar nymphs were picked for the test.

[0019] Test drug: 97% bifenthrin technical material (Jiangsu Huifeng Agrochemical Co., Ltd.), 6% picroderm parent drug (Dongfeng Chemical Factory, Xinxiang City, Henan Province).

[0020] Test method: refer to (Zhuang Jiaxiang et al., 2009, Regional Differences of Insecticide Resistance of Leafhopper in Fujian Province) and Indoor Bioassay Test Guidelines for Pesticides Insecticides NY / T 1154.11-2008), using tip dipping method.

[0021] Sun Yunpei’s co-toxicity coefficient method (CTC) was used to evaluate the synergistic effect of drug mixture. When the co-toxicity coefficient (CTC) ≥ 120, the composition exhibited a synergistic effect; when ...

Embodiment 2

[0029] Example 2: 5.5% Bifenthrin·Picterillin Suspension Concentrate (Bifenthrin:Pictorialin=10:1)

[0030] Take by weighing 5.0% of bifenthrin, 0.5% of picrodine, 2.5% of alkylaryl polyoxypropylene polyoxyethylene ether (dispersant), 5.0% of sodium polynaphthaldehyde sulfonate (wetting agent), Ethylene glycol 2.5% (antifreeze), xanthan gum 0.8%, organic silicon (defoamer) 0.3%, deionized water to make up to 100%.

[0031] The preparation method of Example 1-2 is as follows: mix each component uniformly according to the ratio of the formula, grind and high-speed shear to obtain an insecticidal composition containing bifenthrin·picrodine, and the dosage form is a suspension concentrate.

Embodiment 3

[0032] Example 3: 11% bifenthrin·picillin emulsifiable concentrate (bifenthrin:picralin=10:1)

[0033] Take by weighing 10.0% of bifenthrin, 1.0% of picrodine, 3% of sodium dodecylbenzenesulfonate (dispersant), 2.0% of octylphenol polyoxyethylene ether (emulsifier), dimethyl ethylene Sulfone 5% (solvent), turpentine oil to make up to 100%.

[0034] The preparation method of Example 3 is: add bifenthrin and picrodine original drug, emulsifier and co-solvent, etc., according to the formula ratio, into the mixing tank in sequence, and stir evenly to obtain 11% bifenthrin·piculata Rattan cream.

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Abstract

The invention relates to an insecticidal composition containing bifenthrin and celangulin. Active ingredients include bifenthrin and celangulin, wherein the weight ratio of bifenthrin to celangulin is (5-25):(1-2). The insecticidal composition has a synergistic effect, is suitable for prevention and treatment of Empoasca pirisuga Matumura, and can retard the development of insect resistance, reduce the application dose of single components and improve the prevention and treatment effect.

Description

technical field [0001] The invention relates to the technical field of pesticide application, in particular to an insecticidal composition containing bifenthrin and picroderm. Background technique [0002] The green leafhopper is a major pest that occurs commonly in tea areas in my country, is more harmful, and is a key control pest. Among them, the green leafhopper with false eyes is the most serious hazard. At present, bifenthrin is mainly used in the market to prevent and control tea leafhoppers, but due to long-term single and frequent medication, the resistance of tea leafhoppers increases, and the control effect is not ideal. [0003] Phyllostachys chinensis is a perennial vine of the family Euonymus, which is widely distributed in the hills and mountainous areas of the Yellow River and Yangtze River basins in my country. Both the root bark and the stem bark of Phyllostachys chinensis contain a variety of powerful insecticidal components. Dozens of new compounds have ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N53/06A01N43/12A01P7/04
CPCA01N43/12A01N53/00A01N2300/00
Inventor 韦锦思韦敏杨业喜
Owner JIANGSU SANSHAN PESTICIDE CO LTD
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