Job Recruitment Website - Immigration policy - Cowpea in greenhouse, is this festival too long? Why is it too long? What should we do now? thank you

Cowpea in greenhouse, is this festival too long? Why is it too long? What should we do now? thank you

Cowpea is seriously flourishing and the pitch is too long. Generally, it is controlled at a node of ten to twenty centimeters. Spraying with 25% propiconazole 5ml or 30% benzoxazole10ml 30kg water can control the disease. The key point is to spray on the core leaves of the growing point. A few days after spraying, the core leaves may shed slightly, but it's nothing.

Irregular white scratches on the surface of leaves are harmful to liriomyza sativae, commonly known as ghost paintings. Avermectin, mirex or mirex, monosultap, etc. It can be used for prevention and control, and it is recommended to use silica gel spray. The recommended drugs are avermectin, mirex and silicone, and the effect is good.