玉米育种家在确定育种目标时,选育自交系考虑的特征和特性首要的是配合力,组配杂交种考虑的是产量、品质、根强、抗病性以及制种产量等,但在田间目测评价主要依据是形态指标。作者长期从事玉米高产栽培研究,特别是经常应邀参加各地新品种的田 Maize breeders in the determination of breeding objectives, the characteristics and characteristics of the selection of inbred lines to consider the first is the combining ability, grouping hybrids to consider the yield, quality, root strength, disease resistance and seed production, etc., but in Field visual evaluation of the main basis for the morphological indicators. The author has long been engaged in high-yield cultivation of corn, especially the often invited to participate in new varieties of fields around