中国航天员科研训练中心;
目的研究红蓝单色光对植物生长的影响,探索其作为植物生长光源的可行性。方法采用白、红和蓝发光二极管的光照条件培养油麦菜,分析和比较油麦菜植株在不同光质下的生长状态、生理特性和养分含量的差异。结果红光促进油麦菜茎叶径向生长,蓝光利于其茎叶横向生长和光合色素合成;油麦菜在全红光下不能正常生长,5%~20%蓝光比例能提高其光合和蒸腾速率、光合色素含量、生物量和大量元素含量,改善其荧光特性。25%~50%蓝光比例使光合色素含量进一步增加,但地上生物量明显下降,根冠比显著增加;红蓝单色光增加了单位面积或功率的生物产量。结论红蓝发光二极管可用于培养油麦菜,且蓝光比例为10%的光照条件最有利于油麦菜生长。
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基本信息:
DOI：10.16289/j.cnki.1002-0837.2010.03.001
中图分类号:S636.2
引用信息:
[1]唐永康,郭双生,艾为党等.不同比例红蓝LED光照对油麦菜生长发育的影响[J].航天医学与医学工程,2010,23(03):206-212.DOI:10.16289/j.cnki.1002-0837.2010.03.001.
基金信息:
“863”基金资助(2008AA12A219)