摘要： 以5个高强纤维材料为母本,6个抗棉铃虫品系为父本,采用NCⅡ交配设计,对30个组合的杂种F₁的产量性状进行分析。结果表明,杂种F₁竞争优势明显,4个性状具有竞争优势,其中子、皮棉产量优势最大,其次为铃重和单株铃数。通径分析表明,单株铃数对皮棉产量效应最大。在配合力上,高强纤维材料亲本以9208007Ⅲ_长16952和9208007Ⅲ_长22的GCA较好,抗棉铃虫亲本以中R₃、中R₄棉的GCA较好。杂交组合9208007Ⅰ_长5×中R₃和9208007Ⅲ_长22×中R₃是较理想的高产优质组合。

关键词: 陆地棉, 高强纤维材料, 杂种优势, 配合力

Abstract: Thirty F ₁ were made using five high fiber strength strains and six insect resistant strains with NCⅡ mating method.Their yield properties were analyzed.The result showed that the hybrid heterosis of the F ₁ were obvious.Of the 4 characters,the heterosis of the seed cotton yield and lint yield were the most obvious and the boll weight and bolls/plant were the second.Path analysis indicated that bolls/plant countributed the most to lint yield.In general combining ability(GCA),9208007Ⅲ_{long 16952} and 9208007Ⅲ_{long 22} were high in the high fiber strength strains,while CCR ₃ and CCR ₄ were high in the insect resistant strains.9208007Ⅰ_{>long 5} ×CCR ₃ and 9208007Ⅲ_{long 22} ×CCR ₃ were good combinations with high lint yield and fiber qualities.

Key words: Upland cotton, High fiber strength strains, Hererosis, Combining ability

中图分类号: 

• S562