小麦丛矮病是由灰飞虱(图一)传染的一种病毒病,在我省各地发生较普遍;一般零星发生于田边、地角、渠埂近旁地势低洼之地;但有的年份成片发生,对小麦生产影响很大。如一九六五年景太县五佛公社发病面积五百五十七亩,占小麦面积的9.3％, Wheat clumsy dwarf disease is a virus disease transmitted by Laodelphax striatellus (Figure 1), which occurs more commonly in various parts of our province. It generally occurs sporadically in the low lying land near the fields, land corners and channels. However, some years Into a film, a great impact on wheat production. For instance, in 1965, the incidence of the Five Buddha Commune in Jingtai County was 557 mu, accounting for 9.3% of the total area of ​​wheat.