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要想甘薯不“烂窖”,必须采取如下的措施: 1 收获关。甘薯收获最佳温度为旬平均温度14℃～15℃。收过早,产量低,病害多,收过晚,气温低,易遭冻。 2 入窖关。①归窖消毒。窖四周及底、顶部刮去一层见新土后,用40％多菌灵胶悬剂300～500倍液喷洒一遍。②选薯、消毒。去掉带病、伤残、受冻、霜打鲜薯,选无病变,光滑新鲜薯入窖;将选好的甘薯入窖前用40％多菌灵胶悬剂800～1000倍液或50％甲基托布津1000倍液浸种5分钟,有效防治黑斑病和软腐病发生。 3 管理关。加强甘薯贮藏期间管理,
To sweet potato is not “bad cellar,” we must take the following measures: 1 harvest off. Sweet potato harvest the best temperature is ten days average temperature of 14 ℃ ~ 15 ℃. Income too early, low yield, disease and more, too late, the temperature is low, vulnerable to freezing. 2 into the cellar off. ① kiln disinfection. Cellar around and at the end, the top scraping to see a new layer of soil, with 40% carbendazim 300-300 times the suspension spray again. ② choose potato, disinfection. Remove the diseased, disabled, frozen, frost hit fresh potato, choose no disease, smooth fresh potato into the pit; the selected sweet potato into the pit with 40% carbendazim 800 ~ 1000 times the liquid or 50% Thiophanate-methyl 1000 times soaking seeds for 5 minutes, the effective prevention and treatment of black spot disease and soft rot disease. 3 management clearance. Strengthen the management of sweet potato during storage,