【摘要】 玉米粗缩病（ＭＲＤＶ）已成为我国玉米产区的主要病害之一，对玉米生产构成极大威胁。通过对玉米粗缩病（ＭＲＤＶ）症状特点、发病规律、寄主范围等分析以及玉米抗性鉴定研究，提出了以农业措施为主，化学防治为辅的综合防治策略。更多还原

【Abstract】 Maize rough dwarf virus cause serious damage on maize production in China.We analyzed the symptom,the occurrence regularity and the host range of MRDV,and presented the comprehensive control,which based mainly on the rearrangement of planting measures and chemical control.更多还原