|Table of Contents|

The Effect of LED Light Qualities on Physiological and Biochemical Characteristics of the Orchid Hybrid (♀:Cymbidium lowianum;♂:Cymbidium eburneum Lindl) Tissue Culture Plantlets(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年16期
Page:
61-65,66
Research Field:
Publishing date:

Info

Title:
The Effect of LED Light Qualities on Physiological and Biochemical Characteristics of the Orchid Hybrid (♀:Cymbidium lowianum;♂:Cymbidium eburneum Lindl) Tissue Culture Plantlets
Author(s):
WANG Dan1; YANG Ai-kuan2; LI Guang-hong1; LI You1; ZHANG Xian-gui1; LI Zhi-lin1
1.College of Horticultural and Gardening,Yunnan Agriculture University,Kunming,Yunnan 650000；
2.Dali Languo Flower Industry Development Corporation,Dali,Yunnan 671000
Keywords:
light emitting diodes (LEDs); the orchid hybrid (♀：Cymbidium lowianum; ♂：Cymbidium eburneum Lindl)tissue culture plantlets; physiological and biochemical characteristics
PACS:
S682.31
DOI:
-
Abstract:
Taking the orchid hybrid (♀:Cymbidium lowianum;♂:Cymbidium eburneum Lindl) tissue culture plantlets as test materials,effects of the different light quality and ratio of light emitting diodes (LEDs) on the physiological and biochemical of plantlets were studied.The results showed that under red-blue-green light,the indexes comprehensive coefficient were higher.Red-blue-white light enhanced the contents of chlorophyll a,b and carotene.Under blue light,content of soluble sugar of the plantlets significantly increased.W1 and 1RB light treatments led to higher contents of soluble protein.Under red light,contents of MDA of the plantlets increased.Red-blue-green light enhanced activities of SOD；under fluorescent lamp (W2),activity of POD increased；red-blue-white light enhanced activities of CAT.And it concluded that RBG light could be used as the most suitable for growth of light quality of the orchid hybrid tissue culture plantlets;LED compound light supported chlorophyll a,b and carotene synthesis；the blue light was in favour of the accumulation of soluble sugar；1RB,W1 compound light supported protein synthesis；the red light had important effect on SOD,POD and CAT of the orchid hybrid,effectively eliminated the free radicals in cells,and helped alleviate the damage on the cytoplasm.

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Last Update: 2014-09-25