油菜菌核病是油菜的重要病害,农民称之为“炸杆”病。在油菜生育后期,茎杆病部炸裂,茎内腐烂空心处有黑色鼠粪状菌核,春风一吹病株倒伏并牵动周围健壮株一起倒伏。油菜菌核病轻则减产1—2成,重则减产4—5成。(一)轮作:油菜菌核病以菌核 Sclerotinia sclerotiorum is an important disease of rapeseed, farmers call it “fried rod” disease. Late in the rape’s reproductive period, stalk disease burst, stem hollow rotten black rat feces-like sclerotia, blown spring breeze lodging and affect the surrounding robust strains together lodging. Sclerotinia sclerotiorum is reduced by 1-2 percent, while weight reduction by 4-5 percent. (A) rotation: rape sclerotiorin sclerotia