What are the symptoms and control methods of bacterial leaf spot in cucumber?
Symptoms: The main damage to the leaves, the seedling stage to the adult can be affected, the cotyledons infected, the initial was water-immersed near the pit-shaped depression, the rear microstrip yellow-brown, true leaf disease, occurs in the bottom of the leaf, the back of the leaf appears flooded The lesions showed polygonal, light brown patches (limited by veins). The lesions were free of black mold, transparent, thin, and easily perforated.
Control methods: use sprayable or streomycin-water spray. Spray once every 7-10 days, continuous prevention and treatment 2-3 times.
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