Let's dance the back of the grape square dance

Hello, it should be a leaf curl virus disease, which is spread by insect pests through inhalers. Acetamiprid, imidacloprid, pymetrozine, thiamethoxam, spirotetramat, carbofuran, etc. In turn, it is used to control piercing-sucking mouthparts pests. For viral diseases, morpholine hydrochloride, amino oligosaccharide, lentinan and octylamine can be sprayed in turn, or the virus can be washed away at one time. Personal views are for reference only.