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玉米粗缩病是严重为害玉米的一种暴发流行性病毒病害,由玉米粗缩病毒(Maize rough dwarf virus简称MRDV)引起,该病主要靠灰飞虱(Laodelphax
Maize roughing disease is an outbreak of severe maize virus epidemic virus disease, caused by the maize rough dwarf virus (Mady rough dwarf virus referred to as MRDV), the disease mainly by Laodelphax