[1]闻婧,李倩中,李淑顺,等.不同 LED 光源对铁皮石斛生长和叶绿素荧光参数的影响[J].江苏农业学报,2016,(04):910-916.[doi:10.3969/j.issn.100-4440.2016.04.031]
 WEN Jing,LI Qian-zhong,LI Shu-shun,et al.Growth and chlorophyll fluorescence parameters of Dendrobium officinale exposed to different LED light qualities[J].,2016,(04):910-916.[doi:10.3969/j.issn.100-4440.2016.04.031]
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不同 LED 光源对铁皮石斛生长和叶绿素荧光参数的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2016年04期
页码:
910-916
栏目:
园艺
出版日期:
2016-10-31

文章信息/Info

Title:
Growth and chlorophyll fluorescence parameters of Dendrobium officinale exposed to different LED light qualities
作者:
闻婧李倩中李淑顺荣立苹唐玲黎瑞
江苏省农业科学院园艺研究所/江苏省高效园艺作物遗传改良重点实验室,江苏 南京 210014
Author(s):
WEN JingLI Qian-zhongLI Shu-shunRONG Li-pingTANG LingLI Rui
Institute of Horticulture,Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing 210014,China
关键词:
LED光源光质铁皮石斛叶绿素荧光参数
Keywords:
LEDlight qualityD. officinalechlorophyll fluorescence parameter
分类号:
S567.23+
DOI:
10.3969/j.issn.100-4440.2016.04.031
文献标志码:
A
摘要:
利用LED光源,设红光、蓝光、黄光、红蓝组合光和红蓝黄组合光5个处理,以荧光灯为对照,测定铁皮石斛干质量、鲜质量、株高、茎粗、多糖、叶绿素和叶绿素荧光参数,研究不同光质处理对铁皮石斛生长及叶绿素荧光参数的影响。结果表明:在鲜质量等量增加的情况下,红蓝组合光利于植株干物质的积累,红蓝黄组合光有利于植株干质量和鲜质量的提高;红蓝组合光和红蓝黄组合光2个处理的叶片PSⅡ反应中心从光能的吸收、转化、传递、分配和耗散整个过程都优于其他处理;单色红光在处理20 d时,其叶绿素a含量达到最大,且φP0、φE0、Ψ0、PIABS和PItotal值均与2个组合光无显著差异。单色红光在短期(20 d左右)内可以有效促进多糖累积,红蓝黄组合光则更有利于铁皮石斛盆栽苗的生长、干物质积累和多糖的积累。
Abstract:
Taking Dendrobium officinale as material, red light, blue light, yellow light, red-blue light, red-blue-yellow light by light emitting diode (LED) was applied to study the effects of LED light qualities on growth and chlorophyll characteristics by measuring the dry weight,fresh weight, plant height, stem diameter, polysaccharide content, chlorophyll content and chlorophyll fluorescence parameters. Fluorescent lamp was set as control. The red-blue light was beneficial for the accumulation of dry matter, and red-blue-yellow light was 〖JP3〗favorable for the increase of fresh weight and dry weight. Under red-blue light and red-blue-yellow light, the ability of energy absorption, energy transformation, energy transmission, energy distribution and energy dissipation in PS Ⅱ reaction center increased significantly. In the red light treatment for 20 d, the content of chlorophyll attained the maximum, and φP0w , φE0,Ψ0, PIABS values showed no difference with those in red-blue light and red-blue-yellow light treatments. The short-term (around 20 d) red light illumination could promote the accumulation of polysaccharide. Red-blue-yellow light was conducive to the growth,accumulation of dry matter and polysaccharide content in D. officinale.

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备注/Memo

备注/Memo:
收稿日期:2015-11-18基金项目:江苏省农业科技自主创新基金项目[CX(13)5067]作者简介:闻婧(1983-),女,内蒙古呼和浩特人,硕士,助理研究员,从事园艺栽培研究工作。(Tel)025-84392681;(E-mail)wenjing123006@sina.com通讯作者:李倩中,(Tel)025-84392651
更新日期/Last Update: 2016-11-01