【作者】 张海芝； 王桂英； 刘德征；

【Author】 ZHANG Hai-zhi,WANG Gui-ying,LIU De-zheng (Zhoukou Institute of Agricultural Sciences, Zhoukou, He′nan 466001,China)

【机构】 河南省周口市农科所；

【摘要】 近年来,周口棉花生产出现徘徊和下滑局面,原因是多方面的,但缺乏突破性主栽品种是根本原因。自1998年以来,该区示范推广杂交棉,皮棉比常规棉99B增产18.6%~26.3%,纤维品质提高一级左右,杂交棉在当地的大面积应用,对稳定周口的棉花生产起到了重要作用。更多还原

【Abstract】 The Cotton production in Zhoukou, He′nan decreased dramatically in the recent years, the major fields and approaches of cotton improvement were reviewed. The results showed that hybrid cotton could emhance fiber quality,and incerase the lint yield by 18.6%～26.3% from 1998.The application of hybrid cotton on larger scale in the Zhoukou area is prospected.更多还原