Method and device for preventing and treating leaf margin blight of walnuts

The invention relates to the technical field of plant physiological disease control, and provides a walnut leaf margin blight control method and device, the device comprises a control mechanism, the control device comprises a storage box, the outer side wall of the storage box is fixedly connected with a push handle, and the bottom end of the storage box is rotatably connected with a rotating wheel; the device comprises a sealing mechanism, the sealing mechanism comprises a fixed top block, a measuring sleeve, a connecting screw groove, a connecting screw rod, a rotating handle, a connecting rotating shaft and a sliding plate, the bottom end of the measuring sleeve can be conveniently sealed through sliding of the sliding plate, and the measuring sleeve can store a medicament; a sliding measuring rod can be driven to float in water through a floating ball, a worker can conveniently observe the internal water injection capacity, a soil conditioner and a growth regulator can be stored through a measuring sleeve