]*>","")" /> Development Relationships between Characteristics,Yield and Quality of High-yield Cotton

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Development Relationships between Characteristics,Yield and Quality of High-yield Cotton

LOU Shan-wei;GUO Ren-song;GAO Yun-guang;ZHAO Qiang;ZHANG Ju-song   

  • Received:2009-03-25 Revised:2009-03-25 Online:2009-03-25 Published:2009-03-25

高产棉花群体结构特征与产量品质形成关系的研究

娄善伟;郭仁松;高云光;赵强;张巨松   

  1. 新疆农业大学教育部棉花工程研究中心,乌鲁木齐,830052

摘要: 通过设置田间密度试验小区,对不同密度条件下棉花个体与群体的生长发育特性与产量、品质形成特点进行研究,研究表明:南疆地区棉花最适宜种植密度应在16.5×104~20×104株/hm2, "三桃"比例为:3∶5~5.5∶1.5~2,LAI高峰宜出现在盛铃期,其值3.5~3.6,盛花-盛铃棉田冠层的光截获率要维持在90;~95;,吐絮期干物质的积累量比重在50;左右,光合速率吐絮后保持在10 μmol/m2穝以上.