Summer Orchid Pest and Disease Management Methods and Key Control Points

Summerorchidpest and diseasecontrol. Summer is a period of high incidence for insect pests and diseases. Forpests and diseases, prevention should be the main approach, with integrated control. Grasp the patterns of disease occurrence, seize the most effective period for control, and treat the specific problem with the right remedy - this is the principle for controllingorchidpests and diseases.Orchidcommon diseases include: fungal, bacterial, and viral diseases and parasitic pests. Commonly used sterilizing agents include: carbendazim, thiophanate, chlorothalonil, zineb, agricultural streptomycin, etc. Two or three of these can be selected and used alternately, sprayed twice a month. Commonly used insecticides include: dimethoate, decis, insecticidal bacteria, carbofuran, etc. One or two of these can be selected and sprayed once a month. The dilution ratio of each pesticide must be precise; too dilute is ineffective, too concentrated causes phytotoxicity. When spraying, be sure to spray the front and back of orchid leaves, as well as the entireorchid-growingsite. To avoid phytotoxicity, spraying should be done in the evening.