田間識別 幼苗發病、莖jing基ji部bu水shui浸jin狀zhuang，爛lan根gen，倒dao伏fu，呈cheng猝cu倒dao狀zhuang。成cheng株zhu發fa病bing，多duo先xian是shi外wai葉ye白bai天tian萎wei蔫nian，夜ye間jian恢hui複fu，繼ji而er漸jian由you外wai葉ye開kai始shi枯ku死si。根gen部bu變bian褐he腐fu爛lan，根gen部bu中zhong間jian縊yi縮suo，下xia部bu消xiao失shi，隻zhi留liu上shang半ban部bu。

    防治要點 yishixuanzedishigaozaohuopingtandizhongzhi。ershibimianshizihuakeshucailianzuo。sanshifabingdizuihaogaizhiboweiyumiaoyizai。sishiyanfangdashuimanguanheguanshuihoujiyuhoutianjianjishui。wushifabingchuqijishiyongyaojifangzhi
，keyong72%克露1000倍液，或72.2%普力克800倍液
，或15%惡黴靈400倍液灌根
，或噴淋植株莖基部及周圍土壤。