小麦全蚀病是一种毁灭性病害，小麦受害后分蘖减少，成穗率低，千粒重下降，一般发病地块减产 10％～ 20％，重者减产 50％以上。 1田间症状 　　小麦全蚀病是典型的根部病害，整个生育期间都有不同症状。 　　分蘖期：发病轻者症状不明显，发病重者病株稍矮，叶色浅，根及地下 Total eclipse of wheat is a devastating disease. After the wheat is harmed, the number of tillers decreases, the percentage of ear to ear becomes lower and the weight of thousand kernels decreases. The mass loss of common land is reduced by 10% to 20% and the weight is reduced by more than 50%. 1 Field Symptoms Wheat ecliposis is a typical root disease that has different symptoms throughout the childbirth. Tillering stage: the incidence of mild symptoms is not obvious, the incidence of sick plants slightly shorter, leaf color shallow, root and underground