对于小麦田间抽出的“白穗”，有些农民朋友弄不清是怎么回事，往往叫苦不迭。正确地认识“白穗”症状是由哪种病害所致，方能帮助农民朋友“对症下药”。一、小麦根腐病：小麦根腐病可形成不实或只长秕瘦粒的“白穗”。小麦感病叶，其茎基部叶鞘上可见褐色病斑，初为棱形... For the wheat field out of the “white spike”, some peasant friends can not figure out what is going on, often complain. Correct understanding of “white spike” symptoms caused by what kind of disease, can only help farmers friends, “the right remedy.” First, the wheat root rot: wheat root rot can form false or only long thin grain of “white spike.” Wheat leaf disease, the stalk base of the sheath visible brown lesions, the first prism ...