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Insecticidal composition containing tenvermectin

An insecticidal composition and technology of asvermectin, applied in the field of pesticides, to achieve the effect of expanding the application target, delaying the development of resistance, and prolonging the service life

Inactive Publication Date: 2018-01-12
ZHEJIANG HISUN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Insecticides composed of macrolides, such as abamectin, spinosad, emamectin benzoate (hereinafter referred to as emamectin benzoate), ivermectin, etc. The rice leaf roller, beet armyworm, litura and other pests are highly effective, safe for the environment, and low in toxicity to mammals. However, the pests have also developed certain resistance to these pesticides.

Method used

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  • Insecticidal composition containing tenvermectin
  • Insecticidal composition containing tenvermectin
  • Insecticidal composition containing tenvermectin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1 The toxicity determination of insecticidal composition of the present invention to Plutella xylostella

[0038] Drugs for testing:

[0039] 95% Chlorfenapyr (Hunan Haili Chemical Co., Ltd.);

[0040] 95% Chlorfenapyr (BASF);

[0041] 95% Tenvermectin A (Zhejiang Hisun Pharmaceutical Co., Ltd.).

[0042] Dissolve each original drug in DMF respectively, and prepare a 10000 mg / L solution for later use.

[0043] Prepare a single agent of asvermectin, a single agent of chlorfenapyr, a single agent of chlorfenapyr, an insecticidal composition of asvermectin and chlorfenapyr, an insecticidal composition of asvermectin and chlorfenapyr, using Leaf dipping method, cut the cabbage leaves cleaned and removed from the main veins into discs with a diameter of 6cm, and dilute various agents to 0.625 mg / L, 1.25 mg / L, 2.5 mg / L, 5.0 mg / L and 10 mg / L L liquid medicine, set water control, repeated 3 times. Immerse the leaves in the liquid medicine for 10 seconds, take th...

Embodiment 1

[0048] Comparative Example 1 Ivermectin Toxicity Measurement of Plutella xylostella

[0049] Drugs for testing:

[0050] 96% Ivermectin (Zhejiang Hisun Pharmaceutical Co., Ltd.);

[0051] 95% Tenvermectin A (Zhejiang Hisun Pharmaceutical Co., Ltd.).

[0052] Prepare a single agent of asvermectin, a single agent of ivermectin, and the insecticidal composition of asvermectin and ivermectin, adopt the leaf soaking method, and cut the cabbage leaves that have been cleaned and removed from the main veins of the leaves into 6cm diameter Disc, dilute various agents into 0.625 mg / L, 1.25 mg / L, 2.5 mg / L, 5 mg / L and 10 mg / L liquid medicine, set water as control, repeat 3 times. Immerse the leaves in the liquid medicine for 10 seconds, take them out and dry them naturally; place the dried leaves in a petri dish with a diameter of 7 cm, and insert 3rd instar larvae of the same size, and place them in the insect culture room for 48 hours to check the death of the test insects Condition....

Embodiment 2

[0057] Example 2 Determination of the toxicity of the insecticidal composition of the present invention to Pieris rapae

[0058] Drugs for testing:

[0059] 95% Flubendiamide (Bayer);

[0060] 94% Cyantraniliprole (DuPont);

[0061] 95% Tenvermectin A (Zhejiang Hisun Pharmaceutical Co., Ltd.).

[0062] Preparation of a single agent of asvermectin, a single agent of flubendiamide, a single agent of cyantraniliprole, and an insecticidal combination of asvermectin and flubendiamide, an insecticidal combination of asvermectin and cyantraniliprole , using the spray method to measure, insert the 3rd instar larvae of the tested cabbage worm into a 10cm×2cm petri dish, 20 larvae in each dish, put the petri dish on the spray table, specifically, a single dose of astamectin A single agent and cyantraniliprole diluted to 0.125 mg / L, 0.25 mg / L, 0.5 mg / L, 1 mg / L and 2 mg / L; flubendiamide single agent diluted to 0.625 mg / L, 1.25 mg / L L, 2.5 mg / L, 5 mg / L and 10 mg / L; the insecticidal com...

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Abstract

The invention relates to an insecticidal composition containing tenvermectin. In the composition, tenvermectin and a component B are compounded according to a specific ratio, wherein the component B is selected from a group consisting of phenylpyrazoles, pyrethroids, anabasines, diamides, macrolides and organophosphoruses. The composition has excellent synergistic effect on prevention and treatment of a plurality of insects such as Tetranychus cinnabarinu, Tetrangchus urticae Koc, Plutella xylostella, Laphygma exigua, Spodoptera litura, Laodelphax striatellus, red spiders, Agrotis ipsilon, wireworms, armyworms, pine caterpillars, pine wilt diseases or rice stem borers.

Description

technical field [0001] The present invention relates to an insecticidal composition containing asvermectin, belonging to the field of pesticides, and the composition is used for controlling agricultural and forestry crop pests and sanitation pests. technical background [0002] CN201410208660.9 discloses the following asvermectin compound, formula (I): [0003] [0004] Wherein R is selected from CH3 or CH3CH2, and when R is CH3, it is asvermectin A, and when R is C2H5, it is asvermectin B (the asvermectin mentioned in the following examples is 95% asvermectin Element A). The patent application also discloses that the compound of formula (I) has the ability to prevent and control Tetranychus cinnabarinus, Tetranychus urticae, diamondback moth, beet armyworm, Spodoptera litura, cotton bollworm, cutworm, needleworm, armyworm, pine caterpillar, The role of pine wood nematode, rice borer and other agricultural and forestry crop pests and harmful mites. In addition, Tians...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N43/36A01N43/56A01N41/10A01N57/16A01N47/40A01N51/00A01N57/12A01N57/14A01N53/08A01N37/38A01N53/06A01P7/00A01P7/02A01P7/04
Inventor 王丽敏沈亮金旻琦蒋涛王振华
Owner ZHEJIANG HISUN CHEM
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