摘要
以７个显性无腺体陆地棉品系和４个常规品种为材料，按ＮＣⅡ设计，对２８个组合的Ｆ_１及亲本进行了通径分析。结果表明：杂种一代的产量构成与亲本明显不同，其产量构成因素中对皮棉产量贡献的大小依次是单株铃数＞铃重＞衣分；而亲本中为衣分＞铃重＞单株铃数。
dominant glandless strains as femde and 4 commerical varieties as male were usedin this study to conduct a path analysis on some characters related to lint yield.The re-sults showed that the yielding component of F1 hybrids to the lint yield was much differ-ent from that of their parents, Of the three components, boll size was more importantthan lint percentage,while was lessimportant than boll number per plant in F1 hybrids,but it was just the opposite in the parents.
关键词
陆地棉
显性无腺体品系
杂种一代
杂种优势
upland cotton
dominant glandless
hybrids Fi
yielding component
path analysis
