对河南省大面积推广的优质面包小麦品种进行系谱追溯和亲本组配技术分析 ,结果表明 ,主要优质面包小麦品种本身均具有广泛的基因容量和遗传背景 ,但现有优质小麦之间却亲缘关系相近 ,指出今后优质小麦选育应重视优异种质资源的系谱研究 ,避免近亲组配 The analysis of pedigree traceability and parental assemblage of high-quality bread wheat varieties popularized in large area in Henan Province showed that the main high-quality bread wheat cultivars all had a wide range of gene capacity and genetic background, but the existing high-quality wheat was related Similar, pointed out that future high-quality wheat breeding should pay attention to the genealogy of excellent germplasm resources to avoid inbreeding