Disease and insect Pest Management of Orchid in Summer

Prevention and control of orchid diseases and insect pests in summer. Summer is the period of high incidence of insect pests and diseases. It is necessary to give priority to the prevention of diseases and insect pests, comprehensive control, grasp the law of disease, grasp the most effective period of prevention and control, the right medicine is the principle of prevention and control of orchid diseases and insect pests. The common diseases of orchids are fungal, bacterial, viral diseases and parasitic pests, and the commonly used fungicides Lu are: carbendazim, thiophanate, chlorothalonil, Dysen zinc, agricultural streptomycin and so on. Two or three of these drugs can be used alternately. Sprayed twice a month, commonly used pesticides are: omethoate, dimethoate, insecticide, carbofuran, etc., one or two of which can be sprayed once a month. The use of each drug dilution ratio should be accurate, too light and ineffective, too strong to produce drug damage, spray the front and back of the orchid leaves, as well as the entire orchid site, in order to avoid drug damage, the time should be sprayed in the evening.