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Method for trapping, preventing and controlling adults of ectropis obliqua

A technology for tea inchworms and adults, which is applied in the direction of catching or killing insects, devices, applications, animal husbandry, etc., to achieve low cost, reduce the number of eggs of the next generation, and reduce the effects of chemical control

Inactive Publication Date: 2010-09-01
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no report of trapping or repelling this pest with plant odor

Method used

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  • Method for trapping, preventing and controlling adults of ectropis obliqua
  • Method for trapping, preventing and controlling adults of ectropis obliqua
  • Method for trapping, preventing and controlling adults of ectropis obliqua

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 1. In order to explore the influence of plant odors on the behavior of tea geometrid adults in the tea garden ecosystem, the fresh shoots of 7 common plants in the tea garden community were used as the smell source, and the doses were set at 1.5, 5.0, 7.5, 10.0, 15.0, 20.0 and 30.0g , the clean air is CK1, and the dose-response results of tea geometrid adults with Y-type olfactometer can be found in figure 1 . In the figure: ■: the number of adults of selected plants, □: the number of adults of selected clean air, A: mint, B: rosemary, C: tea, D: poisonous weed, E: marigold, F: pengpengxiang, G: Lavender, *There is a significant difference between the number of adults choosing plants and the number of adults choosing air (P<0.05).

[0021] The analysis of the test results is as follows: ①When the dose was 1.5g, the number of adults induced by mint was significantly different from that of CK1; as the dose increased, the number of adults induced by it decreased in a para...

Embodiment 2

[0060] Tea geometrid has 6 generations in one year in Anhui Province, and the occurrence period of each generation and age is slightly different from that in Zhejiang tea area. On August 5, 2009, at the larval stage of the fourth generation of tea geometrids, an organic tea garden with an area of ​​0.5 hectares was selected in Jingting Mountain Tea Farm, Anhui Province, and divided into two, one side was the trapping area, the other side was the control area, and the middle was set. 50 meters wide barrier. In the trapping area and the control area, 20 sample plots were randomly selected, each sample plot was 1 meter tea row, divided into two, and divided into two sides, each side was patted on the tea row to shake off the tea geometrid larvae and received it with a plastic sheet. The number of insects in the trapping area and the control area was found to be 215 and 205.

Embodiment 3

[0062] On August 20, 2009, the 4th generation tea geometrid adult eclosion peak period (16% pupa eclosion), in the trapping area, each mu (667m 2 ) place 20 traps (see figure 2 ), continuously trapping adults for 20 days, when more tea geometrid adults were trapped on the color board, the color board was replaced; the control area was not released. On September 5th, the number of insects in the trapping area and the control area were 115 and 222 in the same method as the larvae of the fifth generation tea geometrid; the population decline rates in the trapping area and the control area were 46.5% and -8.3% respectively, and the larvae The corrected decline rate of insect population is 50.6%.

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Abstract

The invention provides a method for trapping, preventing and controlling adults of ectropis obliqua by combining mint pheromone and colors. The method comprises the following steps of: authenticating 18 main components in mint odor qualitatively and quantitatively; performing biological test by using a wind tunnel instrument to screen out 3 components of menthol, menthone and linalool with highest trap effect to prepare an taste source substance at the concentration of between 10<-6> and 10<-1>g / ml; preparing the taste source substance into a trapping agent in a ratio of 1:0.1-15:0.1-15 and carrying the trapping agent on a trapping core; in the main eclosion period of the adults of the ectropis obliqua, screening khaki with highest trap effect out from 10 colors; and combining the trapping core with a khaki adhering plate to form a trapper to trap the adults of the ectropis obliqua in the main eclosion period of the adults of the ectropis obliqua so as to reduce the amount of eggs of the next generation and reduce chemical prevention and control. The method has the advantages of no pollution, accordance with a green preventing and controlling principle for insects and the requirement of construction of a standard ecological tea garden, convenient operation and low cost.

Description

technical field [0001] The invention belongs to a method for trapping and preventing adults of tea geometrids, and relates to a method for trapping and preventing adults of tea geometrids by combining plant informants and colored sticky boards. Background technique [0002] Plant volatiles guide herbivorous insects to feed, lay eggs, find mates, avoid predators, and find suitable habitats. When two or more host plants coexist, herbivorous insects tend to choose the smell of the preferred species. For example, Anoplophora glabripennis (Motschulsky) feeds on a variety of host plants, and can recognize the smell of the original host plant without a preference for the smell of the host plant; if there is a preference for the smell of the tree species, the glabripennis will no longer tend to the smell of the original host tree species. Batocerahorsfieldi (Hope) also has similar tendency behavior. Plant volatiles play an important role in guiding the behavior of Bemisiatabaci (Ge...

Claims

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Application Information

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IPC IPC(8): A01M1/02A01M1/14
Inventor 韩宝瑜崔林
Owner CHINA JILIANG UNIV
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