How to use yellow plates to trap locusts and whiteflies
2023-11-03 06:23:10
A: Aphids, whiteflies, etc. have a strong phototaxis to yellow and yellow traps can be set to kill adults. The method is: cut the fiberboard or cardboard into a long strip of 10.2, painted orange-yellow, and then coated with a layer of viscous oil (add a little oil with a small amount of oil on the 10th oil), 32 to 34 pieces per acre, placed between the rows, Make the bottom of the yellow plate flat or slightly higher than the top of the plant. When maggots, whitefly, etc. stick to the board surface, it is necessary to re-stick the sticky oil in time, generally 7 to 10 days re-painted once.
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