Acclimation of Lolium temulentum to enhanced carbon dioxide concentration

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Acclimation of Lolium temulentum to enhanced carbon dioxide concentration. / Gay, Alan; Hauck, Barbara.

Yn: Journal of Experimental Botany, Cyfrol 45, Rhif 8, 1994, t. 1133-1141.

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Gay, Alan ; Hauck, Barbara. / Acclimation of Lolium temulentum to enhanced carbon dioxide concentration. Yn: Journal of Experimental Botany. 1994 ; Cyfrol 45, Rhif 8. tt. 1133-1141.

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@article{1e2c4808c87841c68ddfc274290bd089,
title = "Acclimation of Lolium temulentum to enhanced carbon dioxide concentration",
abstract = "Acclimation of single plants of Lolium temulentum to changing [CO2] was studied on plants grown in controlled environments at 20°C with an 8 h photoperiod. In the first experiment plants were grown at 135 μ;mol m−2 s−1 photosynthetic photon flux density (PPFD) at 415μl l−1 or 550μl l−1 [CO2] with some plants transferred from the lower to the higher [CO2] at emergence of leaf 4. In the second experiment plants were grown at 135 and 500 μmol m−2 s−1 PPFD at 345 and 575 μl l−1 [CO2].High [CO2] during growth had little effect on stomatal density, total soluble proteins, chlorophyll a content, amount of Rubisco or cytochrome f. However, increasing [CO2] during measurement increased photosynthetic rates, particularly in high light. Plants grown in the higher [CO2] had greater leaf extension, leaf and plant growth rates in low but not in high light. The results are discussed in relation to the limitation of growth by sink capacity and the modifications in the plant which allow the storage of extra assimilates at high [CO2]",
keywords = "Lolium, carbon dioxide, photosynthesis, growth, stomatal density",
author = "Alan Gay and Barbara Hauck",
year = "1994",
doi = "10.1093/jxb/45.8.1133",
language = "English",
volume = "45",
pages = "1133--1141",
journal = "Journal of Experimental Botany",
issn = "0022-0957",
publisher = "Oxford University Press",
number = "8",

}

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TY - JOUR

T1 - Acclimation of Lolium temulentum to enhanced carbon dioxide concentration

AU - Gay, Alan

AU - Hauck, Barbara

PY - 1994

Y1 - 1994

N2 - Acclimation of single plants of Lolium temulentum to changing [CO2] was studied on plants grown in controlled environments at 20°C with an 8 h photoperiod. In the first experiment plants were grown at 135 μ;mol m−2 s−1 photosynthetic photon flux density (PPFD) at 415μl l−1 or 550μl l−1 [CO2] with some plants transferred from the lower to the higher [CO2] at emergence of leaf 4. In the second experiment plants were grown at 135 and 500 μmol m−2 s−1 PPFD at 345 and 575 μl l−1 [CO2].High [CO2] during growth had little effect on stomatal density, total soluble proteins, chlorophyll a content, amount of Rubisco or cytochrome f. However, increasing [CO2] during measurement increased photosynthetic rates, particularly in high light. Plants grown in the higher [CO2] had greater leaf extension, leaf and plant growth rates in low but not in high light. The results are discussed in relation to the limitation of growth by sink capacity and the modifications in the plant which allow the storage of extra assimilates at high [CO2]

AB - Acclimation of single plants of Lolium temulentum to changing [CO2] was studied on plants grown in controlled environments at 20°C with an 8 h photoperiod. In the first experiment plants were grown at 135 μ;mol m−2 s−1 photosynthetic photon flux density (PPFD) at 415μl l−1 or 550μl l−1 [CO2] with some plants transferred from the lower to the higher [CO2] at emergence of leaf 4. In the second experiment plants were grown at 135 and 500 μmol m−2 s−1 PPFD at 345 and 575 μl l−1 [CO2].High [CO2] during growth had little effect on stomatal density, total soluble proteins, chlorophyll a content, amount of Rubisco or cytochrome f. However, increasing [CO2] during measurement increased photosynthetic rates, particularly in high light. Plants grown in the higher [CO2] had greater leaf extension, leaf and plant growth rates in low but not in high light. The results are discussed in relation to the limitation of growth by sink capacity and the modifications in the plant which allow the storage of extra assimilates at high [CO2]

KW - Lolium

KW - carbon dioxide

KW - photosynthesis

KW - growth

KW - stomatal density

UR - http://hdl.handle.net/2160/43164

U2 - 10.1093/jxb/45.8.1133

DO - 10.1093/jxb/45.8.1133

M3 - Article

VL - 45

SP - 1133

EP - 1141

JO - Journal of Experimental Botany

JF - Journal of Experimental Botany

SN - 0022-0957

IS - 8

ER -

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