本文描述了一种提高种子量的方法,适用于改良穗行选择的半同胞入选家系。以家系间和家系内选出的家系作母本行,种植第二去雄区,父本为家系间入选家系的剩余种子等量混合。假如该区内各家系进行选择,则会产生高于原程序50%的附加增益。各家系内入选果穗混合脱粒,即为该家系的种子增量。 This article describes a method to increase the amount of seeds that is suitable for improving half-sibling selected pedigree for ear selection. Families selected from families and families as the parent line, planting a second male region, the male parent selected for the rest of the family line between the same amount of mixing. If families in the area make the choice, they will have an additional gain of 50% over the original procedure. Selected within each family mix ear threshing, that is, the family’s seed increment.