Insecticidal composition with azadirachtin and salix myrtillacea total saponins as active ingredients and usage thereof

A technology of insecticidal composition and active ingredients, which is applied in the field of pest control, can solve the problems affecting the yield and quality of vegetables, and achieve the effects of broadening the scope of use, reducing the cost of pesticides, and enhancing the efficacy of pesticides

Inactive Publication Date: 2018-10-12
YUNNAN AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The 3rd to 4th instar larvae can eat the leaves into holes and notches, and in severe cases, the leaves will be eaten into a net shape, which seriously affects the yield and quality of vegetables
[0007] So far, there has been no literature report on the strong synergistic effect of azadirachtin combined with total saponins of willow

Method used

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  • Insecticidal composition with azadirachtin and salix myrtillacea total saponins as active ingredients and usage thereof
  • Insecticidal composition with azadirachtin and salix myrtillacea total saponins as active ingredients and usage thereof
  • Insecticidal composition with azadirachtin and salix myrtillacea total saponins as active ingredients and usage thereof

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[0015] 1. Materials and methods

[0016] 1.1 Material

[0017] Test agent: 50% azadirachtin original drug: provided by Yunnan Zhongke Biological Industry Co., Ltd.; Pollus saponins: prepared by the Botanical Pesticide Laboratory of Yunnan Agricultural University according to the patent ZL201310075529.5 method.

[0018] Tested insect source: Plutella xylostella.L, collect the mature pupae of Plutella xylostella from the cabbage that is self-supported in the laboratory, put them into the triangular flask, and insert the cabbage juice coated into the bottle after emergence Self-made blow-molded paper spawning board, and feed the adults with 10% honey water, replace the spawning board and honey water every day, and put the spawning board in a 26±1℃ incubator for moisturizing and hatching. Place the hatched spawning board on fresh vegetable leaves, the eggs hatch into larvae, and then feed on the vegetable leaves autonomously, replace the vegetable leaves according to the situation, and ...

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Abstract

The present invention discloses an insecticidal composition with azadirachtin and salix myrtillacea total saponins as active ingredients and a usage thereof, and belongs to the field of pest control in process of crop planting. The composition comprises the active ingredients of the azadirachtin and salix myrtillacea total saponins; the weight ratio of the azadirachtin to the salix myrtillacea total saponins is 1:(0.1-10); and most preferably, the weight ratio of the azadirachtin to the salix myrtillacea total saponins is 1:6.38. The composition is used for the pest control in agricultural production, and preferably used for controlling lepidopteran pests, particular for controlling plutella xylostella L. The salix myrtillacea total saponins and azadirachtin have extremely strong enhancingfunctions on drug effects each other, can greatly improve the control effects on agricultural pests, and have the effect far superior to that of the single use of the salix myrtillacea total saponinsor azadirachtin, can significantly reduce cost of pesticides and broadens the scope of the use.

Description

Technical field [0001] The invention belongs to the field of pest control during crop planting, and specifically relates to an insecticidal composition using azadirachtin and total saponin as active ingredients and its usage. Background technique [0002] Azadirachtin (Azadirachtin) is a class of highly active compounds isolated from Neem, which belongs to the tetracyclic triterpenes. The fruits, seeds, seed cores, branches, leaves, bark and sap of Neem all contain active substances. So far, more than 100 compounds have been found in Neem, and at least 70 compounds have biological activity, mainly from India. Azadirachtin, neemtriol and azadirachtin, etc., these extracts have anti-feeding effects on insects, interfere with oviposition, interfere with insect mutation, make them unable to metamorphose into adults, repel larvae and inhibit their growth to achieve insecticidal purposes. [0003] Azadirachtin has become a commonly used biological pesticide at this stage, and has been w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/08A01N43/90A01P7/04
CPCA01N43/90A01N65/00A01N65/08
Inventor 秦小萍李丰超代玉玲吴国星
Owner YUNNAN AGRICULTURAL UNIVERSITY
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