How to prevent ginseng blight?

How to prevent ginseng blight? please brief us on Ginseng blight occurs at the base of seedling stem, mostly in the alternate dry and wet soil 3-5 cm below ground. Control methods: 1,"seed" disinfection: with 25% fludioxonil suspension seed coating agent 5-20 times solution mixed seeds or 50-100 times solution dipped in "seed" to kill seeds carrying bacteria. 2. Soil disinfection: treat the soil with 95% hymexyl original powder 1g/m2 + carbendazim 8g/m2; or 30% methylfrost·hymexyl aqueous solution 1- 2g/m2; or use 10g 50% carbendazim wettable powder per mu, mix well with the soil of seeding layer, and the control effect is very good. 3. Bedding disinfection: Before the ginseng seedlings are unearthed, 95% hymexiline original powder 1000 times solution, 25% metalaxone·propamocarb wettable powder 500 times solution or 30% metalaxone·hymexiline aqueous solution 2500 times solution can be sprayed on the bed surface. Also available 50% dixon 1000-1500 times liquid spray bed surface, spray after washing seedlings with water 1-2 times, so as to avoid phytotoxicity. 4. Treatment of disease area: The diseased leaves of diseased plants should be removed and buried deeply in the field. 95% hymexyl original powder 3000 times solution and 72% agricultural streptomycin soluble powder 1000 times solution or 25% metalaxyl·propamocarb wettable powder 500 times solution or 30% metalaxyl·hymexyl aqueous solution 2500 times solution can be sprayed alternately to the affected areas. 2-3 times in a row, 5-7 days apart. 3 kg of the above liquid medicine is sprayed per square meter. Click for more ginseng cultivation techniques Click for more herb cultivation techniques