油菜菌核病,又称茎腐病,俗称“白秆”、“麻秆”、“霉蔸”、“烂秆病”、“搭叶烂”等,是对油菜危害最大的一种真菌性病害,在我国分布十分广泛,只要是种植油菜的地方都会出现这种病,而且每年发生的情况不一样,轻重不一样。尤其在长江流域以及南方经常发生,油菜菌核病是由一种真菌引起,从苗期到 Sclerotinia sclerotiorum, also known as stalk rot, commonly known as “white stalk ”, “stalk ”, “mold stinky ”, “stalk disease ”, " Is the most harmful to rapeseed a fungal disease, is widely distributed in our country, as long as it is a place where rape will grow this disease, but the situation is not the same every year, the severity is not the same. Especially in the Yangtze River and southern China often occur, sclerotinia sclerotiorum is caused by a fungus, from the seedling to