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平展叶型玉米在我国种植历史悠久,群众比较熟悉,而竖叶型玉米是最近几年发展起来的新品种。平展叶型玉米品种有丹玉13号、15号等;竖叶型玉米品种有豫玉1号、2号、3号、5号及掖单6号、9号等。生产中,有的人分不清什么是平展叶型,什么是竖叶型,把平展叶型玉米当成竖叶型玉米去种,致使玉米倒伏,影响产量。因此分清两者,针对各自的特点进行栽培管理,十分必要。
Flat-leafed corn has a long history of planting in our country, and people are more familiar with it. Vertical leaf corn is a new breed developed in recent years. Flat-leaf corn varieties Dan Yu 13, 15, etc .; vertical leaf corn varieties Yu Yu 1, 2, 3, 5 and Yedan 6, 9 and so on. Production, some people can not tell what is the flat leaf type, what is the vertical leaf type, the flat leaf corn as vertical leaf corn to seed, resulting in corn lodging, affecting the yield. So distinguish between the two, for their own characteristics of cultivation and management, it is necessary.