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陆地棉主要经济性状在棉株上的位置效应分析
引用本文:李俊兰,翟学军.陆地棉主要经济性状在棉株上的位置效应分析[J].华北农学报,1998,13(1):86-89.
作者姓名:李俊兰  翟学军
作者单位:河北省农林科学院棉花研究所
摘    要:对四个陆地棉品种(系)的铃重,衣分子,子指和纤维长度在棉株不同节位表现的研究表明,各性状的低值有国明显的分布规律一般出现在下部1~3果枝节位,上部果枝节位和中部果枝的外围节位上,高值和中值多出现在中部果枝的1~2节位,5~9果枝的第一节位很少的出现低值。

关 键 词:陆地棉  经济性状  位置效应  棉花

Analysis on Effects of Main Economic Traits at Different Boll Positions on Upland Cotton Plant
Li Junlan,Zhai Xunjun,Li Zhishu.Analysis on Effects of Main Economic Traits at Different Boll Positions on Upland Cotton Plant[J].Acta Agriculturae Boreali-Sinica,1998,13(1):86-89.
Authors:Li Junlan  Zhai Xunjun  Li Zhishu
Abstract:The experimental results from four upland cotton varieties(lines)indicated that the different positions of cotton bolls on the same plant differently affected the main economic traits such as boll weitht,lint percentage,seed index,and fiber length.A rule was found for the distribution of the lower values of the traits.They were distributed on the first to third joints on the lower branches and the outer joints on the upper and middle branches.The higher and middle values appeared mainly at the first and second joints on the middle branches.The lower values seldom appeared at the first joints on the fifth to ninth branches.
Keywords:Upland cotton  Economic traits  Effect of position
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