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北方园艺  2014 

不同光质对生菜幼苗生长的影响

, PP. 53-56

Keywords: 光质,LED光源,生菜,生长,壮苗指数

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Abstract:

以四季油麦菜为试材,以日光灯(白光)为对照,研究了LED蓝光(B)和红蓝组合光(RB,R∶B=1∶1)对生菜幼苗生长的影响。结果表明红蓝组合光有利于培育壮苗;红蓝组合光处理的生菜幼苗株高、主根长、茎粗、鲜重、干重和叶面积均显著的高于对照;蓝光处理的株高显著的低于对照;蓝光和红蓝组合光均提高了壮苗指数,且红蓝组合光与对照的差异达显著水平。

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