Seedling and bud stages: Spraying 0.02-0.04mg/L (10-20kg of water per grain) solution once each can increase the number of bolls per plant and the weight of each boll.

        Initial flowering stage: spray with 0.3 ～ 1.8mg/L (1.3 ～ 0.2kg water for each granule) solution, the stem is thick and the leaf is thick, but the leaf area does not increase. The control effect on Verticillium wilt reached 21.2% to 54.5%, with an increase of 20.6%.