Natural enemy attractant for controlling population quantity of rice planthoppers
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A technology of rice planthopper and attractant, which is applied in the direction of attracting pests, chemicals for biological control, biocides, etc., can solve the problems of development and application of attractants without natural enemies, and achieve broad industrialization prospects, The effect of reducing the quantity and making the preparation method simple
Inactive Publication Date: 2011-08-31
ZHEJIANG UNIV
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[0004] For rice planthoppers, there is no development and app
Method used
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Embodiment 1
[0019] Example 1 Preparation of Attractant for Rice Planthopper Natural Enemy Rice Planthopper (Parts by Weight)
[0020] Prepared 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-hydroxyl -4-Methoxy benzophenone 0.01 part, mixed evenly to prepare rice planthopper natural enemy, rice planthopper, small bee attractant.
Embodiment 2
[0021] Example 2: Preparation of Attractant for Rice Planthopper, the Natural Enemy of Rice Planthopper (Parts by Weight)
[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-hydroxyl 0.10 part of 4-methoxybenzophenone, mixed evenly to prepare the attractant of rice planthopper, the natural enemy of rice planthopper.
Embodiment 3
[0023] Example 3: Preparation of Attractant for Rice Planthopper, the Natural Enemy of Rice Planthopper (Parts by Weight)
[0024] Prepare 0.02 parts of linalool, 0.02 parts of cis-3-hexenal, 0.02 parts of cis-3-hexenyl acetate, 0.4 parts of liquid paraffin, 0.02 parts of 2,6-di-tert-butyl-p-cresol, 2-hydroxyl 0.02 parts of 4-Methoxybenzophenone, mixed evenly to obtain the attractant of rice planthopper, the natural enemy of rice planthopper.
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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 that can effectively control the number of adult rice planthoppers, in particular to a natural enemy attractant that uses host plant volatiles induced by insect pests to control the population of rice planthoppers. Background technique [0002] The 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 Brown planthopper Nilaparvata lugens (St?l) The most harmful. If it is not controlled in time, severe outbreaks will cause extremely serious losses to my country's rice production. In 2005, a large outbreak of rice planthoppers occurred in most rice producing areas south of the Yangtze River in my country, which brought huge losses to rice production across the country, and the lessons were very profound. At this stage, the control of rice planthoppers in my country's rice production still mainly relies on...
Claims
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