| 种植密度和EDTA对短季棉活性氧代谢及铃重的影响 |
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| 引用本文： | 邬飞波,刘根松,洪彩霞,许馥华.种植密度和EDTA对短季棉活性氧代谢及铃重的影响[J].棉花学报,1997(4). |
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| 作者姓名： | 邬飞波 刘根松 洪彩霞 许馥华 |
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| 作者单位： | 浙江农业大学农学系，浙江龙游县种子公司 |
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| 摘 要： | 采用裂区设计，研究了种植密度和ＥＤＴＡ对短季棉活性氧代谢和铃重的影响。结果表明，随密度上升，短季棉功能叶中ＳＯＤ活性、ＭＤＡ含量分别呈显著下降和增高趋势，幼蕾、花中ＳＯＤ、ＰＯＤ活性呈下降趋势。但密度在６万～９万株·ｈｍ－２范围内，随密度增加并不会导致幼蕾、花中ＳＯＤ、ＰＯＤ活性的显著下降。ＥＤＴＡ减缓了功能叶中ＳＯＤ活性下降和脂质过氧化产物的积累，提高叶绿素和蛋白质含量，延缓叶片衰老；增强幼蕾、花中ＳＯＤ和ＰＯＤ活性，具增铃增铃重的效果。同时，密度在９万株·ｈｍ－２时，ＥＤＴＡ的增铃重效应较佳，且总铃数和伏桃比例也高
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| 关 键 词： | 短季棉 乙二胺四乙酸二钠 洗性氧 丙二醛 超氧物歧化酶 过氧化物酶 铃重 |
Effect of Plant Density and EDTA on the Metabolism of Active Oxygen and Boll Weight of Short-season Cotton |
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| Wu Feibo Liu Gensong Hong Caixia Xu Fuhua Dept. of Agronomy,Zhejiang Agricultural University,Hangzhou Longyou Seed company,Longyou,Zhejiang.Effect of Plant Density and EDTA on the Metabolism of Active Oxygen and Boll Weight of Short-season Cotton[J].Cotton Science,1997(4). |
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| Authors: | Wu Feibo Liu Gensong Hong Caixia Xu Fuhua Dept of Agronomy Zhejiang Agricultural University Hangzhou Longyou Seed company Longyou Zhejiang |
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| Institution: | Wu Feibo 1 Liu Gensong 2 Hong Caixia 1 Xu Fuhua 1 1 Dept. of Agronomy,Zhejiang Agricultural University,Hangzhou 310029 2 Longyou Seed company,Longyou,Zhejiang 324400 |
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| Abstract: | |
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| Keywords: | Short-season cotton (Gossypium hirsutum L ) EDTA active oxygen malondialdehyde superoxide dismutase peroxidase boll weight |
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