玉米出现白苗花叶通称为白苗花叶病或花叶条纹病。有些玉米出苗１０天左右即可发病，其症状一般为新生幼叶呈淡黄至白色，尤其在叶基部更为明显。继而在幼苗老龄叶上出现细小白色斑点，并迅速扩大形成局部的白色区域或坏死组织，叶面半透明似白绸，风吹易撕裂。随着玉米的生长 Emergence of white seedlings of corn commonly known as white Mosaic Mosaic or stripe disease. Some corn emerges about 10 days to onset, the symptoms are generally fresh yellow leaves to white, especially in the leaf base more obvious. Then the seedling leaves on the emergence of small white spots, and rapidly expanded to form a local white area or necrotic tissue, translucent white silk, wind and easy to tear. With the growth of corn