茴香病毒病在秦皇岛市茴香生产中为害严重。苗期极易造成大面积死苗 ,造成毁灭性灾害。茴香病毒病需在早期防治 ,由于茴香病毒病发生初期症状不明显 ,菜农较难识别 ,常贻误了防治适期 ,到发病中后期难于防治 ,成为茴香生产中的难题。笔者用 0 .1 %芸薹内酯可溶性粉剂植物生长调 Anise virus disease in Qinhuangdao City fennel production in the worst. Seedling can easily cause large areas of dead seedlings, causing devastating disasters. Anise virus diseases need early prevention and treatment, due to the initial symptoms of fennel virus disease is not obvious, vegetable farmers more difficult to identify, often delaying the prevention and treatment of the right period, difficult to control the disease in the late, a fennel production problems. I use 0.1% Brassica lactone soluble powder plant growth regulation