余阳;刘帅;李春霞;辛守鹏;王小青;陶建敏;

• 1:南京农业大学园艺学院

摘要(Abstract)：

【目的】在遮光条件下,研究不同的LED光质对葡萄叶片光合特性和生理指标的影响。【方法】以嫁接的‘夏黑’葡萄为实验材料,对葡萄叶片进行不同光质处理,测定分析了光质对葡萄叶片净光合速率、气孔导度、胞间CO2浓度、蒸腾速率、光合色素含量与酶活性的影响。【结果】与对照(CK)相比,不同的LED光质均显著提高了‘夏黑’葡萄叶片的净光合速率(Pn)、气孔导度(Gs)、胞间CO2浓度(Ci)以及蒸腾速率(Tr),并且有利于叶片的光合积累。红光R630处理有利于提高‘夏黑’葡萄的叶绿素含量。蓝光处理提高了‘夏黑’葡萄的SOD酶的活性,而红光处理提高了POD酶的活性;红蓝光RRB440处理下的MDA含量最大。【结论】光质对‘夏黑’葡萄的生长有明显地促进作用。

关键词(KeyWords)： ‘夏黑’葡萄;LED光质;光合特性;生理指标

Abstract:

Keywords:

基金项目(Foundation): 国家948重点项目(2011-G28);; 怀安科技局葡萄新品种引进及设施栽培技术研究与应用项目(HAC2014019);; 国家科技支撑(2013BAD20B05);; 江苏省三新工程(SXGC(2014)004);; 江苏省科技厅设施条件下葡萄高效栽培新技术研究与应用项目(SBE2014030811)

作者(Authors): 余阳;刘帅;李春霞;辛守鹏;王小青;陶建敏;

DOI: 10.13925/j.cnki.gsxb.20150036

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