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
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[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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