How to trap and kill pests with yellow board

Hanging yellow boards in the vegetable garden can not only monitor the occurrence dynamics of aphids, leaf miner, whitefly and other pests, but also effectively control vegetable aphids and other pests, and also control whitefly and other pests to spread viral diseases and other diseases. Compared with other control methods, it contains no toxic substances, is pollution-free, safe and environmentally friendly, and has the characteristics of convenient use, good control effect, moderate cost and great potential for popularization and application.

For different pests, the height of trapping and killing with yellow board is different. The suitable height of aphid is 32 ~ 40 cm, and that of flea beetle and liriomyza sativae is 4 ~ 20 cm. In order to protect natural enemies in vegetable garden and reduce the influence of yellow board on parasitic bees, it is suggested that the height of yellow board should be 12 ~ 28 cm.

Suspension method: the suspension height should be kept at the same level as the top of the crop and adjusted with the growth height of the crop. Generally, 20 ~ 30 yellow boards are inserted every 667㎡.