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分析了1992~1996年参加湖北省小麦良种试验的24个品种的产量性状,结果表明:在高产品种(350kg/666.7m2以上)产量构成要素中,各性状对产量贡献顺序为穗粒数(X1)>千粒重(X2)>有效穗(X3),株高,生育期对产量也有影响。提出了湖北省小麦高产育种途径应以多粒型品种为主,具体要求:有效穗25.7万/666.7m2,穗粒数36.7粒,千粒重39.1g,株高94cm,生育期199d,同时注意多抗性与广适性。
The yield traits of 24 cultivars participating in wheat testing in Hubei Province from 1992 to 1996 were analyzed. The results showed that in the yield components of high yielding varieties (above 350kg / 666.7m2), the order of their contribution to the yield was the number of grains per spike X1)> 1000-grain weight (X2)> effective panicle (X3), plant height and growth period also affected yield. It is suggested that the breeding ways of high-yielding wheat in Hubei Province should be mainly multi-grain varieties. The specific requirements are as follows: effective ear 257000 / 666.7m2, grain number 36.7, grain weight 39.1g, plant height 94cm, 199d, while paying attention to multi-resistance and wide compatibility.