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Bemisia tabaci oviposition repellent

A repellent and a technology for Bemisia tabaci are applied in the field of repellents for preventing and controlling the egg laying of Bemisia tabaci, can solve the problems of difficulty in controlling insecticides, threaten food safety, etc., achieve human and animal safety, simple preparation method and low price Effect

Active Publication Date: 2020-05-29
BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the control of whitefly is still based on chemical pesticides. In view of the rapid development of whitefly resistance to pesticides, it has been difficult to control with insecticides.
Moreover, the extensive use of pesticides also threatens the food safety of the people

Method used

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  • Bemisia tabaci oviposition repellent

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Embodiment 1

[0017] The reagent concentrations used were:

[0018] 1) 0.1ng / μL DMNT solution, the solvent required for dilution is water.

[0019] 2) 0.5ng / μL DMNT solution, the solvent required for dilution is water.

[0020] The preparation method of the above solution: first prepare 100mg / mL DMNT / DMSO solution, mix DMNT and DMSO, oscillate to mix evenly, dissolve DMNT powder, configure it into a liquid solution, and then dilute the solution with water to the above concentrations , thereby making the whitefly oviposition repellant of the present invention.

[0021] 1. Bemisia tabaci MED is raised on tomato plants in the greenhouse. The tomato variety used is Cyclamen No. 8. The whole plant is placed in a cage (60cm×60cm×60cm), the temperature is 25±2°C, and the humidity is 65± 5%, light rhythm 16L:8D. The source of MED insects was collected from a greenhouse in Beijing, and identified as MED by mitochondrial cytochrome oxidase I (mtCOI) gene. A pair of newly emerged adults was select...

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Abstract

The invention discloses a bemisia tabaci oviposition repellent, which has a functional component of DMNT, and can be prepared into an aqueous solution of DMNT for use, preferably 0.1 ng / [mu]L and 0.5ng / [mu]L of DMNT solutions. The bemisia tabaci oviposition repellent provided by the invention has the advantages that the components are stable, the preparation method is simple, the obvious repelling effect on bemisia tabaci oviposition is realized, and the bemisia tabaci oviposition repellent is expected to be used for preventing and treating bemisia tabaci. The repellent can prevent harm of bemisia tabaci, the compound is an industrial raw material, the preparation method is simple, the price is low, the repellent is safe to people and livestock and does not pollute the environment, and therefore the repellent has wide application prospects.

Description

technical field [0001] The invention relates to an insect repellent, in particular to a repellent for preventing and controlling whitefly (Bemisia tabaci) laying eggs. Background technique [0002] Bemisia tabaci belongs to the family Amiptera, which mainly damages vegetables such as Solanaceae, Leguminosae, Cucurbitaceae, and Cruciferae, as well as fruit trees, flowers, garden crops, and economic crops. Bemisia tabaci and the viruses it transmits can cause devastating losses to crop production, seriously restricting crop yield and quality. At present, Bemisia tabaci has become an important pest of economic crops such as garden flowers, vegetables, and cotton in my country, and has broken out into disasters in some areas, posing a huge threat to my country's agricultural production and economic development. However, at present, the control of Bemisia tabaci is still based on chemical pesticides. In view of the rapid development of Bemisia tabaci resistance to pesticides, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N27/00A01P17/00
CPCA01N27/00
Inventor 李峰奇渠成罗晨王然
Owner BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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