Nine index of main characters of 19 corn varieties participated in Huanghai and Huaihai corn regional trial were analyzed by the way of the grey relational grade.

• 摘要采用灰色关联度分析方法，对2006年国家黄淮海鲜食糯玉米区域试验的19个品种9个主要性状指标进行了综合分析和评价。