河北省近年审定常规棉品种主要性状分析

以河北省2001~2009年审定常规抗虫棉品种结果为依据,分析评价了河北省抗虫棉品种的产量、纤维品质和抗病性等性状。结果表明:参试品种的产量水平有较大提高;枯萎病抗性保持在较高水平,黄萎病抗性育种有了一定进展;品种生育期明显缩短;单铃重增加明显,单株铃数和衣分略有上升;纤维长度变化不大,比强度偏低,麦克隆值基本达标。

Analysis on the Major Characteristics of Conventional Cotton Varieties Approved by Hebei Province in Recent Years

The yield,fiber quality and disease resistance of conventional cotton varieties approved by Hebei Province from 2001 to 2009 were analyzed.The results showed that the yield of tested varieties increased significantly.The resistance to Fusarium wilt remained at a high level,and the breeding of resistance to Verticillium wilt had made some progress.The growth period shortened obviously,the single boll weight increased obviously,the boll number per plant and lint percentage slightly increased,the fiber length changed little,the specific strength was lower,and the micronaire value reached the standard.