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Natural enemy attractant for controlling population quantity of rice planthoppers

A rice planthopper and attractant technology, applied in the directions of attracting pests, chemicals for biological control, biocides, etc., can solve the problems of the development and application of attractants without natural enemies, and achieve broad industrialization prospects, The effect of reducing harm and simple preparation method

Inactive Publication Date: 2013-06-05
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For rice planthoppers, there is no development and application of attractants to enhance the role of natural enemies

Method used

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  • Natural enemy attractant for controlling population quantity of rice planthoppers
  • Natural enemy attractant for controlling population quantity of rice planthoppers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1 Preparation of Attractant for the Natural Enemy of Rice Planthopper, Oryza spp. (parts by weight)

[0020] Prepare 0.01 part of linalool, 0.01 part of cis-3-hexenal, 0.01 part of cis-3-hexenyl acetate, 0.2 part of liquid paraffin, 0.01 part of 2,6-di-tert-butyl-p-cresol, 2-hydroxy - 0.01 part of 4-methoxybenzophenone, mixed evenly to prepare the attractant of the natural enemy of rice planthopper, Oryza japonica.

Embodiment 2

[0021] Embodiment 2: the preparation (weight part)

[0022] Prepare 0.10 parts of linalool, 0.10 parts of cis-3-hexenal, 0.10 parts of cis-3-hexenyl acetate, 2 parts of liquid paraffin, 0.10 parts of 2,6-di-tert-butyl-p-cresol, 2-hydroxy - 0.10 part of 4-methoxybenzophenone, mixed evenly to prepare the attractant of the natural enemy of rice planthopper, Oryza japonica.

Embodiment 3

[0023] Example 3: Preparation of the attractant of the rice planthopper's natural enemy, the rice hopper wasp (parts by weight)

[0024] Prepare 0.02 part of linalool, 0.02 part of cis-3-hexenal, 0.02 part of cis-3-hexenyl acetate, 0.4 part of liquid paraffin, 0.02 part of 2,6-di-tert-butyl-p-cresol, 2-hydroxy - 0.02 part of 4-methoxybenzophenone, mixed evenly to prepare the attractant of the natural enemy of rice planthopper, Oryza japonica.

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Abstract

The invention discloses a natural enemy attractant for controlling the population quantity of rice planthoppers. The natural enemy attractant comprises the following components: linalool, cis-3-hexenoicaldehyde, cis-acetate-3-hexenyl ester, liquid paraffin, 2,6-di-tert-butyl-p-cresol, 2-hydroxyl-4-methoxybenzophenone at a weight ratio of (0.01-0.10): (0.01-0.10): (0.01-0.10): (0.2-2): (0.01-0.1):(0.01-0.1). The natural enemy attractant disclosed by the invention attracts the female adults of anagrus nilaparvatae which is an important natural enemy of rice planthoppers in an egg stage, thus reducing the population quantity of rice planthoppers and reducing harm to the rice plants. The attractant is low in cost, high in efficiency, friendly to environment, safe to people and livestock and the like. The attractant for anagrus nilaparvatae which is the natural enemy of rice planthoppers has a broad industrial prospect, and due to the simple preparation method, is particularly suitable for the harmless production of rice, and has high economic, social and ecological benefits.

Description

technical field [0001] The invention relates to a natural enemy attractant capable of effectively controlling the adult population of rice planthopper, in particular to a natural enemy attractant for controlling the population quantity of rice planthopper by utilizing volatile matter of host plants induced by insect pests. Background technique [0002] Rice planthopper is one of the most important pests on rice, the main food crop in my country, among which the white-backed planthopper Sogatella furcifera and brown planthopper Nilaparvata lugens (St?l) is the most harmful. If it is not prevented and controlled in time, it will cause extremely serious losses to rice production in my country when the outbreak is severe. In 2005, a large outbreak of rice planthoppers occurred in most of the rice producing areas south of the Yangtze River in my country, which brought huge losses to the national rice production. The lesson is very profound. At present, the control of rice pl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N61/02A01N37/02A01N35/04A01N35/02A01N31/08A01N31/02A01P19/00
Inventor 娄永根汪鹏
Owner ZHEJIANG UNIV
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