Home > Publications database > Blue light dose-responses of leaf photosynthesis, morphology, and chemical composition of Cucumis sativus grown under different combinations of red and blue light > print

001     9587
005     20200423202730.0
024 7 _ |2 pmid
|a pmid:20504875
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|a pmc:PMC2892149
024 7 _ |2 DOI
|a 10.1093/jxb/erq132
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|a 10.1093/jxb/erq132
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|a http://jxb.oxfordjournals.org/content/61/11/3107.full
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|a 2128/4394
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082 _ _ |a 580
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084 _ _ |2 WoS
|a Plant Sciences
100 1 _ |0 P:(DE-HGF)0
|a Hogewoning, S.W.
|b 0
245 _ _ |a Blue light dose-responses of leaf photosynthesis, morphology, and chemical composition of Cucumis sativus grown under different combinations of red and blue light
260 _ _ |a Oxford
|b Univ. Press
|c 2010
295 1 0 |a Journal of Experimental Botany, Vol. 61, No. 11, pp. 3107–3117, 2010
300 _ _ |a 3107 - 3117
336 7 _ |a Journal Article
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440 _ 0 |0 3318
|a Journal of Experimental Botany
|v 61
|x 0022-0957
|y 11
500 _ _ |a This research is supported by the Dutch Technology Foundation STW, Applied Science Division of the NWO, and the Technology Program of the Ministry of Economic Affairs, Philips, and Plant Dynamics BV. We are grateful to Joost Ruijsch, Evert Janssen, and Gradus Leenders (equipment development), Annie van Gelder and Joke Oosterkamp (stomata analysis), Arjen van de Peppel (biochemical analysis), and Hennie Halm C/N measurements).
500 _ _ |a This is an electronic version of an article published in: J. Exp. Bot. (2010) 61 (11): 3107-3117
500 _ _ |a Record converted from JUWEL: 18.07.2013
520 _ _ |a The blue part of the light spectrum has been associated with leaf characteristics which also develop under high irradiances. In this study blue light dose-response curves were made for the photosynthetic properties and related developmental characteristics of cucumber leaves that were grown at an equal irradiance under seven different combinations of red and blue light provided by light-emitting diodes. Only the leaves developed under red light alone (0% blue) displayed dysfunctional photosynthetic operation, characterized by a suboptimal and heterogeneously distributed dark-adapted F(v)/F(m), a stomatal conductance unresponsive to irradiance, and a relatively low light-limited quantum yield for CO(2) fixation. Only 7% blue light was sufficient to prevent any overt dysfunctional photosynthesis, which can be considered a qualitatively blue light effect. The photosynthetic capacity (A(max)) was twice as high for leaves grown at 7% blue compared with 0% blue, and continued to increase with increasing blue percentage during growth measured up to 50% blue. At 100% blue, A(max) was lower but photosynthetic functioning was normal. The increase in A(max) with blue percentage (0-50%) was associated with an increase in leaf mass per unit leaf area (LMA), nitrogen (N) content per area, chlorophyll (Chl) content per area, and stomatal conductance. Above 15% blue, the parameters A(max), LMA, Chl content, photosynthetic N use efficiency, and the Chl:N ratio had a comparable relationship as reported for leaf responses to irradiance intensity. It is concluded that blue light during growth is qualitatively required for normal photosynthetic functioning and quantitatively mediates leaf responses resembling those to irradiance intensity.
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588 _ _ |a Dataset connected to Web of Science, Pubmed
650 _ 2 |2 MeSH
|a Chlorophyll: analysis
650 _ 2 |2 MeSH
|a Chlorophyll: metabolism
650 _ 2 |2 MeSH
|a Cucumis sativus: chemistry
650 _ 2 |2 MeSH
|a Cucumis sativus: growth & development
650 _ 2 |2 MeSH
|a Cucumis sativus: metabolism
650 _ 2 |2 MeSH
|a Cucumis sativus: radiation effects
650 _ 2 |2 MeSH
|a Light
650 _ 2 |2 MeSH
|a Nitrogen: analysis
650 _ 2 |2 MeSH
|a Nitrogen: metabolism
650 _ 2 |2 MeSH
|a Photosynthesis: radiation effects
650 _ 2 |2 MeSH
|a Plant Leaves: chemistry
650 _ 2 |2 MeSH
|a Plant Leaves: growth & development
650 _ 2 |2 MeSH
|a Plant Leaves: metabolism
650 _ 2 |2 MeSH
|a Plant Leaves: radiation effects
650 _ 7 |0 1406-65-1
|2 NLM Chemicals
|a Chlorophyll
650 _ 7 |0 7727-37-9
|2 NLM Chemicals
|a Nitrogen
650 _ 7 |2 WoSType
|a J
650 _ 7 |a Blue light
650 _ 7 |a chlorophyll fluorescence imaging
650 _ 7 |a cucumber (Cucumis sativus)
650 _ 7 |a dose–response curves
650 _ 7 |a leaf mass per unit leaf area (LMA)
650 _ 7 |a light-emitting diodes (LEDs)
650 _ 7 |a photoinhibition
650 _ 7 |a photosynthetic capacity
650 _ 7 |a red light
650 _ 7 |a starch accumulation
653 2 0 |2 Author
|a Blue light
653 2 0 |2 Author
|a chlorophyll fluorescence imaging
653 2 0 |2 Author
|a cucumber (Cucumis sativus)
653 2 0 |2 Author
|a dose-response curves
653 2 0 |2 Author
|a leaf mass per unit leaf area (LMA)
653 2 0 |2 Author
|a light-emitting diodes (LEDs)
653 2 0 |2 Author
|a photoinhibition
653 2 0 |2 Author
|a photosynthetic capacity
653 2 0 |2 Author
|a red light
653 2 0 |2 Author
|a starch accumulation
700 1 _ |0 P:(DE-HGF)0
|a Trouwborst, G.
|b 1
700 1 _ |0 P:(DE-HGF)0
|a Maljaars, H.
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700 1 _ |0 P:(DE-Juel1)129384
|a Poorter, H.
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700 1 _ |0 P:(DE-HGF)0
|a van Ieperen, W.
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700 1 _ |0 P:(DE-HGF)0
|a Harbinson, J.
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