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Method for preventing and treating bactrocera dorsalis in disorientation manner, disorientation diffuser, disorientation preparation and application

A technology of Bactrocera dorsalis and dispensers, applied in the field of preparations and applications, in the field of Bactrocera dorsalis prevention and control, can solve the problem of poor effect of Bactrocera dorsalis, inability to effectively control Bactrocera dorsalis reproduction, fruit tree damage, etc. problem, to achieve rapid and long-term control effect

Pending Publication Date: 2021-02-26
ZHENGZHOU FRUIT RES INST CHINESE ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (1) The effect of preventing and controlling Bactrocera dorsalis in the direction of prior art is poor
[0006] (2) Can not effectively control the reproduction of Bactrocera dorsalis, causing harm to fruit trees

Method used

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  • Method for preventing and treating bactrocera dorsalis in disorientation manner, disorientation diffuser, disorientation preparation and application
  • Method for preventing and treating bactrocera dorsalis in disorientation manner, disorientation diffuser, disorientation preparation and application

Examples

Experimental program
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Effect test

preparation example Construction

[0049]Preparation of reference substance solution: take an appropriate amount of eugenol reference substance, weigh it accurately, add n-hexane to make a solution containing 3mg per 2ml, and obtain it;

[0050] Preparation of the test solution: take 0.6 g of sample powder, sieve, accurately weigh, accurately add 40 ml of n-hexane, weigh it, ultrasonically treat it for 15-25 minutes, place it at room temperature, weigh it again, and make up for it with n-hexane Subtract the lost weight, shake well, filter, and take the continued filtrate, that is.

[0051] Determination method: Precisely draw 2 μl each of the reference substance solution and the test solution, inject it into the gas chromatograph, and measure it.

[0052] The present invention also provides a labyrinth dispenser of a labyrinth preparation, said labyrinth dispenser comprising:

[0053] A diffuser housing, in which a cylinder of waterproof and oil-absorbing material is placed;

[0054] The rods on both sides of...

Embodiment

[0072] Design a cylindrical container made of aluminum foil paper, control the cylindrical diameter to 0.2-2.5cm, and the length to 5-20cm;

[0073] 2) Add waterproof and oil-absorbing materials of corresponding size to the cylindrical container made of aluminum foil;

[0074] 3) Add 0.2-4g Bactrocera dorsalis pheromone to the waterproof and oil-absorbing material;

[0075] 4) The two ends of the device are fixed with thin iron wires for hanging the diffuser and fruit trees;

[0076] 5) Hang 600-1200 per hectare at the initial stage of Bactrocera dorsalis occurrence, and the hanging height is at 2 / 3 of the height of the fruit tree.

[0077] The present invention confuses Bactrocera dorsalis through misdirecting preparations, so that male Bactrocera dorsalis cannot distinguish the sex hormones emitted by female Bactrocera dorsalis, and male Bactrocera dorsalis cannot distinguish female Bactrocera dorsalis. Female Bactrocera dorsalis cannot combine to reproduce offspring, and ...

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Abstract

The invention belongs to the technical field of prevention and control of bactrocera dorsalis, and discloses a method for preventing and controlling bactrocera dorsalis in a disorientation manner, a disorientation diffuser, a disorientation preparation and an application thereof. The disorientation preparation is bactrocera dorsalis pheromone methyl eugenol. The application dosage of the bactrocera dorsalis pheromone methyl eugenol is 0.2-4 g. The disorientation diffuser comprises andisorientation diffuser shell, and a waterproof oil absorption material cylinder is arranged in the disorientation diffuser shell; iron wires used for being hung on a tree are arranged on the two sides of the disorientation diffuser shell. A cover is adopted to cover the top of the disorientation diffuser shell; and a plurality of fine holes are formed in the cover. The bactrocera dorsali are puzzled through the disorientation preparation, so that male bactrocera dorsali cannot distinguish sex hormones leftby female bactrocera dorsali, male bactrocera dorsali cannot distinguish female bactrocera dorsali, then male and female bactrocera dorsali cannot mating to breed offspring, Thus, imagoes are killed,breeding of bactrocera dorsalis is prevented, and the rapid and long-term prevention and control effect is achieved.

Description

technical field [0001] The invention belongs to the technical field of Bactrocera dorsalis control, and in particular relates to a method for preventing and controlling Bactrocera dorsalis, a directional dispenser, a directional preparation and an application thereof. Background technique [0002] At present, Bactrocera dorsalis belongs to Diptera, Tephritidae, Oligochaetes subfamily. Generally, the adult body is 7-8 mm long, with transparent wings, yellowish-brown wing veins, and triangular wing moles. All dark black and yellow. Most of the back of the chest is black, but the yellow "U"-shaped markings are very obvious. The abdomen is yellow, with a black horizontal band on the back of the first and second segments, and a black longitudinal band in the center from the third segment to the abdomen, forming a distinct "T"-shaped marking. The ovipositor of the female is well developed and consists of 3 segments. Oval fusiform, about 1 mm long, 0.1 mm wide, milky white. La...

Claims

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Application Information

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IPC IPC(8): A01N31/16A01N25/18A01N65/38A01N45/00A01N43/08A01N43/32A01N37/02A01N31/02A01N35/02A01P19/00A01P7/04G01N30/02A01M1/02A01M1/20C09J163/00C09J11/08C09J11/06
CPCA01M1/02A01M1/20A01M2200/012A01N25/18A01N31/02A01N31/16A01N35/02A01N37/02A01N43/08A01N43/32A01N45/00A01N65/00A01N65/385C08L2205/025C08L2205/03C09J11/06C09J11/08C09J163/00G01N30/02C08L91/00C08K5/12A01N65/24A01N65/14Y02A50/30
Inventor 涂洪涛陈汉杰张金勇黄天祥
Owner ZHENGZHOU FRUIT RES INST CHINESE ACADEMY OF AGRI SCI
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