紅(hong)(hong)薯(shu)(shu)腐爛莖線蟲病是紅(hong)(hong)薯(shu)(shu)上的(de)主要(yao)病害,發病紅(hong)(hong)薯(shu)(shu)常整塊腐爛,造成(cheng)減產、甚至絕(jue)收。薯(shu)(shu)苗帶病是該病遠距離傳播和新茬紅(hong)(hong)薯(shu)(shu)地傳入的(de)主要(yao)途(tu)徑,搞(gao)好苗床防(fang)治,防(fang)止薯(shu)(shu)苗帶病是防(fang)治紅(hong)(hong)薯(shu)(shu)腐爛病的(de)關(guan)鍵(jian)。
防治(zhi)方法:藥(yao)液(ye)潑澆(jiao)苗床,育苗期間可用(yong)40%辛硫磷乳油1500倍(bei)藥(yao)液(ye)潑澆(jiao),進(jin)行預防,間隔20天左右再施藥(yao)一次。













