行距配置对机采棉花冠层结构及光合特性的影响  

Effect of Different Row Spacing Patterns on Machine-harvested Cotton Canopy Structure and Photosynthetic Characteristics

作　　者：徐新霞[1,2] 雷建峰[1] 高丽丽[1] 郑慧[1] 李淦[1] 王立红[1] 锁忠程 张巨松[1] 

机构地区：[1]新疆农业大学农学院/教育部棉花工程研究中心,乌鲁木齐830052 [2]新疆巴州农业技术推广中心,新疆库尔勒841000

出　　处：《西北农业学报》2016年第10期1479-1485,共7页Acta Agriculturae Boreali-occidentalis Sinica

基　　金：机采棉高效生产关键技术研究与示范(2014BAD09B04)~~

摘　　要：在新疆自然生态环境下,以‘新陆早32号’为材料进行大田试验,对2种机采棉行距配置模式(66cm+10cm、72cm+4cm)下的冠层结构、光合特性及产量进行研究。结果表明:66cm+10cm模式下形成的冠层结构较72cm+4cm模式更有利于棉花生育后期通风透光,从而促使叶片净光合速率增强,持续时间长,使得66cm+10cm模式籽棉产量显著高于72cm+4cm模式,2模式间单铃数呈显著性差异。Taking ＇Xinluzao 32＇ as experimental material and under the treatments of two row spacing patterns （66 cm ＋10 cm,72 cm ＋4 cm）. The cotton yield, canopy structure and photosynthetic indexes were studied in Xinjiang. The results showed that canopy structure formed under the pattern of 66 cm＋10 cm was compared with that of 72 cm＋4 cm pattern, it was more conducive to the cotton ventilation and light transmission at late stage of growth, and it could promote cotton leaves to have strong and long-time net photosynthetic rate. The cotton yield under treatment of 66 cm＋10 cm pattern was significantly higher than that of 72 cm＋4 cm pattern, the boll number per plant showed sig- nificant difference.

关 键 词：机采棉花 行距配置 冠层结构 光合特性 产量 

分 类 号：S562[农业科学—作物学]