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Cydia pomonella sex pheromone microcapsule embedding method

A technology of codling moth and microcapsules is applied in the fields of botanical equipment and methods, animal repellents, devices for capturing or killing insects, etc., to achieve the effects of easy acquisition, reduction of insect population density, and no environmental pollution

Inactive Publication Date: 2017-08-18
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims at the problems of pest resistance caused by chemical pesticide control codling moth, killing natural enemies and environmental pollution, etc., and provides a method with simple preparation process, prolonged drug effect time, convenient implementation, strong specificity, no pollution and no harm to natural enemies. Sex pheromone microcapsule embedding method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Preparation: at a temperature of 25-35°C, add 1 part of gum arabic powder in a ratio of 1:100 of gum arabic powder to purified water, stir with a magnetic stirrer until completely dissolved; let stand and cool to room temperature, add Tween 20 and 0.05 parts of Tween 80, stir well and add 1 part of codling moth sex pheromone; homogenize at 20Mpa for 30 minutes, add 3 parts of maltodextrin, 5 parts of sodium starch octenyl succinate, homogenize to the surface of the emulsion No oil; add 0.1 part of silicon dioxide; spray-dry the prepared microcapsule emulsion under the conditions of an air intake of 700L / h, a feed rate of 360mL / h, and an intake air temperature of 170°C to obtain Codling moth sex pheromone microencapsulated powder.

[0021] Use: Place codling moth sex pheromone microcapsules combined with sticky boards in orchards and other places where codling moths often appear and cause harm.

[0022] Attraction effect: We conducted an experiment in an orchard A in Ko...

Embodiment 2

[0024] Preparation: at a temperature of 25-35°C, add 1 part of gum arabic powder in a ratio of 1:100 of gum arabic powder to purified water, stir with a magnetic stirrer until completely dissolved; let stand and cool to room temperature, add Tween 20 and 0.05 parts of Tween 80, stir well and add 1 part of codling moth sex pheromone; homogenize at 20Mpa for 30 minutes, add 2 parts of maltodextrin, 5 parts of sodium starch octenyl succinate, homogenize to the surface of the emulsion No oil; add 0.1 part of silicon dioxide; spray-dry the prepared microcapsule emulsion under the conditions of an air intake of 700L / h, a feed rate of 360mL / h, and an intake air temperature of 170°C to obtain Codling moth sex pheromone microencapsulated powder.

[0025] Use: Place codling moth sex pheromone microcapsules combined with sticky boards in orchards and other places where codling moths often appear and cause harm.

[0026] Attraction effect: We conducted an experiment in the orchard B of K...

Embodiment 3

[0028] Preparation: at a temperature of 25-35°C, add 1 part of gum arabic powder in a ratio of 1:100 of gum arabic powder to purified water, stir with a magnetic stirrer until completely dissolved; let stand and cool to room temperature, add Tween 20 and 0.05 parts of Tween 80, stir well and add 1 part of codling moth sex pheromone; homogenize at 20Mpa for 30 minutes, add 3 parts of maltodextrin, 4 parts of sodium starch octenyl succinate, homogenize to the surface of the emulsion No oil; add 0.1 part of silicon dioxide; spray-dry the prepared microcapsule emulsion under the conditions of an air intake of 700L / h, a feed rate of 360mL / h, and an intake air temperature of 170°C to obtain Codling moth sex pheromone microencapsulated powder.

[0029] Use: Place codling moth sex pheromone microcapsules combined with sticky boards in orchards and other places where codling moths often appear and cause harm.

[0030] Attraction effect: We conducted an experiment in orchard C in Korla...

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PUM

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Abstract

The invention discloses a cydia pomonella sex pheromone microcapsule embedding method. According to the method, Arabic gum, maltodextrin and starch sodium octenylsuccinate are taken as the wall material of a microcapsule, and the raw material proportions of the composite wall material are as follows: 1-2 parts of Arabic gum, 2-3 parts of maltodextrin and 3-5 parts of starch sodium octenylsuccinate. The ratio of a core material and the wall material is as follows: the ratio of cydia pomonella sex pheromone to the wall material is 1:10-1:30. Tween 20 and Tween 80 are used to prepare a composite emulsifier and the ratio of Tween 20 to Tween 80 is 1:1-1:2. The ratio of the composite emulsifier to the core material is 1:5-1:10. The high-pressure homogenization pressure is 10-20 MPa. The spray drying conditions for the microcapsule are as follows: the air inlet volume is 500-900 L / h, the material charging speed is 180-540 mL / h and the air inlet temperature is 130-170 DEG C.

Description

technical field [0001] The invention relates to the technical field of a codling moth sex pheromone microcapsule embedding method. Microcapsules are used to embed the codling moth sex pheromone to prolong the medicinal effect time of the codling moth sex pheromone and strengthen the mating effect of the codling moth. purpose of interference. Background technique [0002] Codling moth is a major pest that harms apples, and it is also the most serious fruit tree pest in Xinjiang Autonomous Region. In recent years, codling moth has become a frequent and important pest in many fruit areas in my country, seriously harming nut fruit trees, and the area of ​​the disaster is increasing, with a tendency of increasing year by year and developing from west to east. [0003] At present, the control of codling moth mainly depends on chemical pesticides, but because the moth has the habit of boring, the larvae soon bore into the fruit after hatching, chemical pesticides can not play a go...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/28A01N31/02A01P19/00A01M1/02A01M1/14
CPCA01M1/02A01M1/14A01N25/28A01N31/02A01N2300/00
Inventor 温秀军茅裕婷杨兴翠孙朝辉易思雨马涛王偲
Owner SOUTH CHINA AGRI UNIV
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