贵州省红苕(甘薯)病害以贮藏期的软腐病最严重,可引致全窖腐烂变成粪坑,耕牛误食而死亡的事例常有发生,因此防治软腐病成为农村急待解决的问题。其次是黑斑病和青霉病也不可忽视。有些地方用高温大屋窖贮藏取得一定效果,但我省农村居住分散,分家分户贮藏等原因,推广困难;多菌灵、甲基托布津对黑斑病、青霉病有很高防 In Guizhou Province, the disease of soft-shelled sweet potato during storage period is the most serious, which can lead to decay of cellar in the whole cellar and the death of cattle due to eating by cattle. So it has become an urgent problem to be solved in rural areas. . Followed by black spot and penicillium can not be ignored. In some places, the use of high-temperature large house cellar storage to achieve some results, but scattered in rural areas in our province, separate household storage and other reasons, promotion difficulties; carbendazim, thiophanate-methyl, black spot, penicillin is very high