A leek maggot trap and its preparation method and application
A technology for leek maggots and a trap, which is applied in the field of leek maggots and its preparation, can solve the problems of difficulty in controlling leek maggots, pesticide residues, resistance problems, etc., and achieves the reduction of insect population base, reliable material guarantee, reduction of usage frequency and the like. effect of dosage
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Embodiment 1
[0030] Mix 3g of diallyl disulfide, 1g of diallyl trisulfide, 1g of valeric acid, and 10g of trichlorfon, add 20g of acetic acid, 5g of Tween-80, and 60g of ethanol respectively, stir and dissolve fully to obtain 100g of uniform and transparent Dilute the liquid preparation with water at a ratio of 1:100, put 20 ml of the diluted solution in a plastic small pot in the leek greenhouse, place a pot for every 4 square meters, add 20 ml of the diluted solution every week, and measure it after 60 days The harm rate of leek maggots is only 2.8%.
Embodiment 2
[0032] Mix valeric acid 0.1g, heptadecane 0.01g, tetramethylpyrazine 0.1g, deltamethrin 1g, add additives acetic acid 50g, Span-40 10g, ethylene glycol 20g, sucrose 50g, water 869g , stirred and fully dissolved to obtain 1000g of uniform and transparent liquid preparation, put 20ml of this liquid in a small plastic pot in the leek greenhouse, put a pot every 4 square meters, add 20ml of diluent every week, and measure the leek after 60 days The harm rate of maggots is only 3.6%.
Embodiment 3
[0034] Mix 0.1g of diallyl disulfide, 0.01g of diallyl tetrasulfide, 0.1g of tetramethylpyrazine, 2g of phenylethyl alcohol, and 5g of dimethoate, and add 10g of ethyl acetate and 3g of Tween-80 respectively , 80g of acetone, stir and dissolve fully to obtain 100g of uniform and transparent liquid preparation, dilute with water at a ratio of 1:100, put 20ml of the diluted solution in a small plastic pot in the leek greenhouse, put a pot for every 4 square meters, weekly After adding 20 milliliters of diluent, the harm rate of chive maggots measured after 60 days was only 3.3%.
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