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Insecticidal composition of tea saponin and pleocidin

An insecticidal composition and spinosad technology, which is applied in the direction of insecticides, biocides, animal repellents, etc., can solve the problems that there are no technical reports on the technical scheme of the combined use of tea saponin and spinosad

Inactive Publication Date: 2010-06-09
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, there is no technical report on the technical scheme for the combined use of tea saponin and spinosyn

Method used

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  • Insecticidal composition of tea saponin and pleocidin
  • Insecticidal composition of tea saponin and pleocidin
  • Insecticidal composition of tea saponin and pleocidin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 13

[0074] The tea saponin is a crude extract of tea saponin, a pure tea saponin or a preparation containing tea saponin, which is commercially available or extracted by a conventional method; the spinosad is commercially available. Preparation of Example 13% Tea Saponin Spinosyn Microemulsion and Its Indoor Toxicity Test

[0075] The weight ratio of each component is: tea saponin: 1.5%, spinosad: 1.5%, methanol: 10%, cyclohexane: 9%, ethyl acetate: 8%, cyclohexanone: 25%, pesticide Milk 500: 4%, Nongru 700: 8%, AEO-7: 10%, GP330: 0.5%, glycerol: 0.5%, the balance water. Dissolving tea saponin and spinosad in methanol, cyclohexane and ethyl acetate according to the ratio, adding other components after mixing to prepare microemulsion.

[0076] Indoor toxicity and its compounding synergistic effect refer to conventional techniques, and the following method is used in this embodiment: fresh cabbage leaves collected from the net room without any pesticide application are washed with ...

Embodiment 2

[0087] Example 2 Preparation of 5% tea saponin spinosad EC and its indoor toxicity test

[0088]The weight ratio of each component is: tea saponin 4.5%; spinosad 0.5%; surfactant Nongru 500 is 10%, Nongru 700 is 10%; organic solvent cyclohexane 20%, ethyl acetate 10% %, DMF10%, dichloromethane 10%; co-solvent methanol 5%; stabilizer castor oil 5%; anti-photolysis agent epoxidized soybean oil 5%; penetrant lauroazepam 10%. Put each component into the preparation kettle and mix thoroughly.

[0089] Refer to Example 1 for indoor toxicity determination. 5% tea saponin spinosad emulsifiable concentrate prepared in the present embodiment is shown in Table 2 to the indoor toxicity test result of 2 instar diamondback moth larvae, the LC of formula 72h of the present invention 50 It is 2.54mg / L, and its co-toxicity coefficient reaches 1768, and the synergistic effect is obvious.

[0090] Table 2 indoor toxicity test result (LC of 72h) to 2 instar diamondback moth larvae 50 )

[00...

Embodiment 355

[0092] Example 3 Preparation of 5.5% Tea Saponin Spinosad EC and Its Indoor Toxicity Test

[0093] The weight ratio of each component is: tea saponin 0.5%; spinosad 5.0%; surfactant Nongru 500 is 10%, Nongru 700 is 10%; organic solvent cyclohexane 20%, ethyl acetate 10% %, DMF 10%, dichloromethane 10%; co-solvent methanol 4.5%; stabilizer castor oil 5%; anti-photolysis agent epoxidized soybean oil 5%; penetrant lauroazepam 10%. Put each component into the preparation kettle and mix thoroughly.

[0094] Refer to Example 1 for indoor toxicity determination. The indoor toxicity test result of 5.5% tea saponin spinosad emulsifiable concentrate prepared in the present embodiment is shown in Table 2 to the 2 instar larvae of Spodoptera litura, the LC of formula 72h of the present invention 50 It is 1.16mg / L, and its co-toxicity coefficient reaches 2694, and the synergistic effect is obvious.

[0095] Table 2 indoor toxicity test result (LC of 72h) to 2 instar Spodoptera litura la...

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Abstract

The invention discloses an insecticidal composition of tea saponin and pleocidin, which comprises the following components by weight percentage: 0.10-50% of tea saponin, 0.01-30% of pleocidin and 20-95% of auxiliary agents. The invention also discloses various formulations of the insecticidal composition and a preparation method thereof. In the invention, the composition can be applied to the prevention and control of common pests in the agricultural production and provides a safe and efficient new variety of pesticides for the productions of export-oriented agriculture, green foods and pollution-free fruits and vegetables.

Description

technical field [0001] The invention relates to an agricultural insecticide, in particular to an insecticidal composition containing tea saponin and spinosyn. Background technique [0002] Due to the long-term and large-scale irrational use of chemical pesticides, as well as the inherent shortcomings of some pesticides, the "3R" problem has been caused by pests. Therefore, looking for biologically active substances and researching and developing new biopesticides based on natural products have attracted much attention at home and abroad, among which botanical pesticides are the most eye-catching category. The development of botanical pesticides, the mixing of botanical pesticides and chemical pesticides, and the mixing of botanical pesticides and microbial pesticides are the frontiers and hotspots of pesticide research in the world. [0003] Tea saponin (Tea saponin) is a plant insecticide extracted from the seeds of Camellia plants such as tea seed cake and tea cake after ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/22A01N43/16A01P7/04
Inventor 胡美英翁群芳杨柳张彦博
Owner SOUTH CHINA AGRI UNIV
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