How to control Cercospora cornuta?

Agricultural control. Disinfect seedlings, scions and rootstocks; Cut off the branches of insects or brush off their bodies.

Physical prevention. When there is ice or rime on the branches in winter, beat the branches with a wooden stick, and the insects can fall with the ice.

Biological control. Protect and release natural enemies. Natural enemies include parasitic bees, rodents and birds.

Chemical control. Spraying diesel oil emulsion with oil content of 10% just before defoliation or germination, such as mixed chemicals, has better effect. Spraying 400 ~ 600 times of 30% bromophenyl phosphorus emulsifiable concentrate or using mineral oil emulsion in the initial incubation period, the oil content is 0.5% in summer and autumn, 3% ~ 5% in winter or 8 ~/kloc-0 ~ 20 times of turpentine mixture in summer and autumn, and 0 ~10 times in winter.