Fortune Telling Collection - Ziwei fortune-telling - How to control the harm of pear stinkbug and tea wing stinkbug

How to control the harm of pear stinkbug and tea wing stinkbug

(1) Scrape the skin before the nymph of pear tree lice emerges in early spring, and scrape it off.

Bend down

A considerable number of overwintering pear psyllid nymphs can be eliminated by centralized burning of warped skin.

(2) In summer, when pear psylla is clustered on the shady side of branches, it is captured or sprayed manually.

③ Comprehensive spray control. This is the most effective method to control the harm of Toona sinensis at present. The spraying period should be in the nymph period of two stinkbug species. When spraying, the whole garden should act together and make joint defense, including spraying the surrounding miscellaneous trees at the same time (especially the pear garden with many bedbugs and tea wings). 90% trichlorfon crystal, 20% pyrethroid emulsifiable concentrate or 2.5% Kung Fu emulsifiable concentrate are effective for the two insecticides in smelly bedbugs.