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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2022.04.020
|2 doi
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|a pubmed24n1134.xml
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|a (DE-627)NLM34029289X
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|a (NLM)35500525
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|a (PII)S0981-9428(22)00198-X
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Sanchez, Federico
|e verfasserin
|4 aut
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|a Spectral light distribution affects photosynthesis, leaf reflective indices, antioxidant activity and growth of Vanillaplanifolia
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 18.05.2022
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|a Date Revised 18.05.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier Masson SAS. All rights reserved.
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|a Vanilla planifolia is an obligate sciophyte (shade plant) with crassulacean acid metabolism (CAM) photosynthesis. Plants were grown for 12 months under black, blue, green, or red photoselective shade netting (PSN) to alter the spectral light distribution impacting the plants. Light wavelengths were measured in each treatment and plants were assessed for photosynthetic characteristics, leaf chlorophyll index (LCI), maximum quantum yield of photosystem II, leaf reflectance indices, leaf area, growth, antioxidant enzymes, lipid peroxidation, reactive oxygen species (ROS), and osmolyte content. Plants grown under red PSN had a higher quantity of red and far-red light and had greater nocturnal net CO2 assimilation (NocA), leaf area and leaf dry weight than plants in the other treatments. Plants grown under blue PSN had a higher quantity of blue light, resulting in a higher LCI and maximum quantum yield than plants in the other treatments. Plants grown under the red and blue PSN had increased leaf spectral reflectance indices compared to plants in the other treatments, which resulted in the highest levels of antioxidant scavenging enzymes, ascorbic acid (AsA), proline, and glycine betaine, and the lowest levels of H2O2. These findings demonstrate that increasing light in the red and far-red or blue portions of the spectrum by using PSN alters the photosynthetic and/or antioxidant responses of V. planifolia and increasing red and far-red light by using red PSN can also accelerate plant growth, possibly due to higher photosynthesis
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|a Journal Article
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|a Leaf gas exchange
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|a Leaf spectral reflective indices
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|a Nocturnal net CO(2) assimilation
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|a Photoselective shade netting
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|a Reactive oxygen species
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|a Vanilla planifolia
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|a Antioxidants
|2 NLM
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|a Chlorophyll
|2 NLM
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| 650 |
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|a 1406-65-1
|2 NLM
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| 650 |
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|a Hydrogen Peroxide
|2 NLM
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| 650 |
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|a BBX060AN9V
|2 NLM
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| 700 |
1 |
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|a Bassil, Elias
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Crane, Jonathan H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shahid, Muhammad A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vincent, Christopher I
|e verfasserin
|4 aut
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| 700 |
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|a Schaffer, Bruce
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 182(2022) vom: 01. Juli, Seite 145-153
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:182
|g year:2022
|g day:01
|g month:07
|g pages:145-153
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|u http://dx.doi.org/10.1016/j.plaphy.2022.04.020
|3 Volltext
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