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蔬菜根部出现异常肥大的肉质根或块根,有的长满颗粒状的瘤状根,地上部分有的叶片枯黄生长受抑制甚至死亡,而有的则生长正常,这到底是什么原因呢?请看-一、根肿,即根肿病为害十字花科蔬菜(除大白菜以外),还为害甘兰、芥菜等。受害植株主根上部增粗变大,表面光滑或呈瘤状,侧根及须根的肿瘤小而多。
Vegetable roots appear abnormal hypertrophy fleshy roots or tubers, and some covered with granular tumorous roots, some of the leaves on the ground brown growth inhibition or death, while others grow normally, what is the reason? In the end what is the reason? - First, swollen, that clubroot disease Cruciferous vegetables (except cabbage), but also to harm the sweet orchid, mustard and so on. The root of the affected plant increased thickening of the upper part of the surface smooth or tumor-like, lateral and fibrous roots and small tumors.