“九五”期间黄淮南片小麦冬水组参试品种主要性状的灰色关联度分析

Grey Relational Analysis on Key Characteristics of the Tested Wheat Varieties from 1995 to 2000 in the South of Yellow River and Huai River Valley

笔者根据 1991～ 2 0 0 0年国家黄淮南片小麦良种联合区域试验资料 ,采用灰色点关联度分析方法 ,对该麦区“八五”和“九五”期间冬水组小麦 5个主要性状进行了分析。结果表明 ,此期该区小麦冬水组育种在产量潜力的提高上有一定进展 ,增产幅度为 6 3%。“十五”期间黄淮南片小麦冬水组新品种选育的策略应当是产量、品质并重 ,同步提高 ,在保持千粒重不变 (40g左右 ) ,稳定或略增穗数 (6 0 0万 /hm2 )的基础上 ,主攻穗粒数。并在此基础上 ,提出了“十五”期间黄淮南片冬水组小麦新品种选育的具体参考目标。

Using grey point relational analysis 5 key characteristics of the tested winter wheat varieties were analysized in this paper. Data of the South of Yellow River and Huai river Valley wheat regional test during 1991～2000 wasused.The result showed that wheat breeding in the yield potential had made progress duing the stage.The yield increased 6.3%.Breeding strategy of winter wheat varieties in the South of Yellow River and Huai River Valley in 2001～2005 should concern both yield and quality.Based on keeping 1000-grain weight still,stabilizing or increasing slightly ear number (600×10 4hm 2) the key strategy is to attack mainly kernels per spike.The concrete breeding strategy of new wheat variety is put forward in the South of Yellow River and Huai River Valley in 2001～2005.