Sclerotinia sclerotiorum is the major disease in rapeseed production, it posed a serious threat to the security. 摘要油菜菌核病是油菜生產上的主要病害，對油菜生產安全構成嚴重威脅。
According to our results,the effect of sowing date on the occurrence of Sclerotinia sclerotiorum is highly significant,and those of sowing density and nitrogen fertitlizer are not. 結果表明，播種期對諸葛菜菌核病的發生影響極為顯著，三個播期間諸葛菜菌核病病情指數差異均達極顯著水平，播種越早，發病越嚴重。
