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A kind of general sex pheromone composition of gray tea inchworm and tea caterpillar, sex attractant and preparation method and application thereof

The technology of grey tea inchworm and pheromone is applied in the field of general sex pheromone composition of grey tea inchworm and tea caterpillar, which can solve the problems that the grey tea inchworm cannot be effectively controlled, the tea caterpillar cannot be effectively controlled, etc., and achieves strong trapping ability Effect

Active Publication Date: 2021-06-25
TEA RES INST CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In chemical control, the effect of confusing two kinds of inchworms is not great, and the control effect is basically close, but there are problems when using specific sex pheromones
When the tea caterpillar sex attractant is used alone, it has a good control effect on the tea caterpillar, but the tea caterpillar cannot be effectively controlled, and other measures still need to be taken; when the tea caterpillar sex attractant is used alone, it has a good effect on the tea caterpillar control effect, but the gray tea inchworm cannot be effectively controlled, and other measures need to be taken

Method used

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  • A kind of general sex pheromone composition of gray tea inchworm and tea caterpillar, sex attractant and preparation method and application thereof
  • A kind of general sex pheromone composition of gray tea inchworm and tea caterpillar, sex attractant and preparation method and application thereof
  • A kind of general sex pheromone composition of gray tea inchworm and tea caterpillar, sex attractant and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0028] The invention provides the preparation method of the general-purpose sex attractant, comprising the following steps: 1) making cis-3, cis-6, cis-9-octadecatriene, cis-3, cis-9-6,7-epoxy Octadecadiene, cis 3, cis 6-9,10-epoxy octadecadiene, cis 6, cis 9-3,4-epoxy octadecadiene, 10,14-dimethyl decadiene Pentaol isobutyrate and 14-methyl pentadecyl isobutyrate are mixed to prepare a sex attractant solution; 2) the carrier is soaked in absolute ethanol and dried to obtain a pretreatment carrier; 3) the sex attractant The agent solution is placed in the pretreatment carrier, and it is left to stand for 2-4 hours to obtain a general-purpose sex attractant; there is no time sequence limitation between steps 1) and 2).

[0029] In the present invention, cis 3, cis 6, cis 9-octadecatriene, cis 3, cis 9-6, 7-epoxy octadecadiene, cis 3, cis 6-9, 10-cyclo Oxyoctadecadiene, cis-6,cis-9-3,4-epoxyoctadecadiene, 10,14-dimethylpentadecanol isobutyrate and 14-methylpentadecanol isobutyr...

Embodiment 1

[0035] 1) Components: cis 3, cis 6, cis 9-octadecatriene, cis 3, cis 9-6,7-epoxy octadecadiene, cis 3, cis 6-9, 10-epoxy Octadecadiene, cis-6,cis-9-3,4-epoxyoctadecadiene, 10,14-dimethylpentadecanol isobutyrate and 14-methylpentadecanol isobutyrate , the active ingredient content of each lure is 3400μg.

[0036] 2) Carrier raw material requirements: the slow-release carrier is a rubber stopper; the height of the carrier is 14.0±0.5mm, the outer diameter of the sex pheromone addition port is 10.0±0.2mm; the inner diameter is 7.5±0.2mm; the rubber stopper is a commercially available polyisoprene clock shaped rubber stopper.

[0037] Preparation:

[0038] 1) Preparation of slow-release carrier: soak the rubber stopper in absolute ethanol for 24 hours for desulfurization, and put the removed rubber stopper in an oven at 40°C for 24 hours;

[0039] 2) Solution preparation of sex attractants: cis 3, cis 6, cis 9-octadecatriene, cis 3, cis 9-6, 7-epoxy octadecadiene, cis 3, cis 6-...

Embodiment 2

[0043] 1) Components: cis 3, cis 6, cis 9-octadecatriene, cis 3, cis 9-6,7-epoxy octadecadiene, cis 3, cis 6-9, 10-epoxy Octadecadiene, cis-6,cis-9-3,4-epoxyoctadecadiene, 10,14-dimethylpentadecanol isobutyrate and 14-methylpentadecanol isobutyrate , the active ingredient content of each lure is 3200μg.

[0044] 2) Carrier raw material requirements: the slow-release carrier is a rubber stopper; the height of the carrier is 14.0±0.5mm, the outer diameter of the sex pheromone addition port is 10.0±0.2mm; the inner diameter is 7.5±0.2mm; the rubber stopper is a commercially available polyisoprene clock shaped rubber stopper.

[0045] Preparation:

[0046] 1) Preparation of slow-release carrier: soak the rubber stopper in absolute ethanol for 24 hours for desulfurization, and put the removed rubber stopper in an oven at 40°C for 24 hours;

[0047] 2) Solution preparation of sex attractants: cis 3, cis 6, cis 9-octadecatriene, cis 3, cis 9-6, 7-epoxy octadecadiene, cis 3, cis 6-...

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Abstract

The invention provides a general-purpose sex pheromone composition for gray tea geometrids and tea caterpillars, a sex attractant and its preparation method and application, and belongs to the technical field of tea tree pest control. The general-purpose sex pheromone composition comprises a mass ratio of For (20~70):(30~80):(25~75):(25~75):(60~100):(5~30) of cis 3, cis 6, cis 9-octadecane cis 3, cis 9‑6,7‑epoxy octadecadiene, cis 3, cis 6‑9, 10‑epoxy octadecadiene, cis 6, cis 9‑3,4‑epoxy Octadecadiene, 10,14‑Dimethylpentadecanyl Isobutyrate and 14‑Methylpentadecanyl Isobutyrate. The general-purpose attractant of the present invention has a strong attractive force to both tea geometrids and tea caterpillars at the same time, and can effectively perform population monitoring, trapping and killing control on the gray tea geometrids and tea caterpillars.

Description

technical field [0001] The invention belongs to the technical field of tea tree pest control, and in particular relates to a general-purpose sex pheromone composition for tea geometrids and tea caterpillars, a sex attractant, and a preparation method and application thereof. Background technique [0002] Gray tea looper (Ectropis grisescens Warren) and tea caterpillar (Euproctispseudoconspersa Strand) are two serious pests of tea leaves. Gray tea geometrids are distributed in southern tea regions such as Hunan, Hubei, Jiangxi, Zhejiang, Guangdong, and Yunnan, especially in parts of Hunan. The larvae chew on leaves in large numbers, and when they break out, they eat tea bushes until they are bare. In addition to tea trees, tea caterpillars also harm a variety of crops such as camellia oleifera, citrus, camellia, tallow, corn, etc. They are mainly distributed in Shaanxi, Jiangsu, Anhui, Zhejiang, Fujian, Taiwan, Guangdong, Guangxi, Jiangxi, Hubei, Hunan, Sichuan and Guizhou a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N27/00A01N43/20A01N37/36A01P19/00
CPCA01N27/00A01N37/36A01N43/20
Inventor 罗宗秀李兆群蔡晓明边磊修春丽陈宗懋
Owner TEA RES INST CHINESE ACAD OF AGRI SCI