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玉米粗缩病是由玉米粗缩病毒(MRDV)引起的一种玉米病毒病。MRDV属于植物呼肠弧病毒组,是一种具双层衣壳的双链RNA球形病毒,由灰飞虱以持久性方式传播。玉米粗缩病是我国北方玉米生产区流行的重要病害。曲阜市常年玉米种植面积37.5万亩,粗缩病发生比较普遍,重病田病株率高达30%,
Corn maize is a corn virus disease caused by maize rough virus (MRDV). MRDV belongs to the group of plant reoviruses and is a double-stranded double-stranded RNA Helicobacter pylori virus that is transmitted by the SBPH in a persistent manner. Maize is one of the most prevalent diseases in maize production area in northern China. Qufu City, perennial corn planting area of 37.5 hectares, the occurrence of coarse-grained disease is more common, severe disease rate of diseased plants as high as 30%