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Codling moth pheromone microcapsule embedding technology

A technology of codling moth and microcapsules is applied in the directions of animal repellents, botanical equipment and methods, devices for catching or killing insects, etc., so as to achieve the effects of not polluting the environment, prolonging the duration of drug efficacy, and being easy to obtain.

Inactive Publication Date: 2014-07-02
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 technology

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: Codling moth sex pheromone microcapsules combined with sticky boards are placed in orchards and other places where codling moths often appear and cause harm.

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

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: Codling moth sex pheromone microcapsules combined with sticky boards are placed in orchards and other places where codling moths often appear and cause harm.

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

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: Codling moth sex pheromone microcapsules combined with sticky boards are placed in orchards and other places where codling moths often appear and cause harm.

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

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Abstract

The invention discloses a codling moth pheromone microcapsule embedding technology. Arabic gum, maltodextrin and starch sodium octenylsuccinate serve as a microcapsule wall material; the composite wall material comprises the raw materials in parts by weight: 1-2 parts of Arabic gum, 2-3 parts of maltodextrin and 3-5 parts of starch sodium octenylsuccinate; the proportion of codling moth pheromone serving as a core material to the wall material is (1:10)-(1:30); tween 20 and tween 80 form a composite emulsifying agent according to the ratio of (1:1)-(1:2); the ratio of the emulsifying agent to the core material is (1:5)-(1:10); the high-pressure homogenization pressure is 10-20Mpa; the microcapsule spray drying conditions are that the air inlet amount is 500-900L / h, the material feeding speed is 180-540mL / h, and the air inlet temperature is 130-170 DEG C.

Description

technical field [0001] The invention relates to the technical field of codling moth sex pheromone microcapsule embedding technology. Microcapsules are used to embed sex pheromone to achieve the purpose of prolonging the medicinal effect time of codling moth sex pheromone and enhancing mating interference of codling moth. 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 endangering fruit trees, and the area of ​​the disaster is increasing, and there is a trend of increasing year by year. [0003] At present, we mainly rely on chemical pesticides to control codling moth, but because the moth has the habit of boring, once the larvae get into the young shoots or fruits, chemical pesticides cannot play a very good effect. This undoubtedly increases the diffic...

Claims

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Application Information

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IPC IPC(8): A01N25/28A01N31/02A01P19/00A01M1/02A01M1/14
Inventor 朱雪姣温秀军杨兴翠曹庸
Owner SOUTH CHINA AGRI UNIV
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