Full TGIF Record # 38963
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Web URL(s):https://academic.oup.com/aob/article/78/4/489/2587522/
    Last checked: 03/01/2017
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Publication Type:
i
Refereed
Author(s):Ferris, Rachel; Nijs, I.; Behaeghe, T.; Impens, I.
Author Affiliation:Department of Biology, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk. For correspondence at: Plant Environment Laboratory, Department of Agriculture, The University of Reading, Cutbush Lane, Shinfield, Reading, RG2 9AD UK. Behaeghe, T.: Faculty of Agricultural and Applied Biological Sciences, University of Ghent, Coupre Links 653, B-9000 Ghent, Belgium.
Title:Elevated CO₂ and temperature have different effects on leaf anatomy of perennial ryegrass in spring and summer
Source:Annals of Botany. Vol. 78, No. 4, October 1996, p. 489-497.
Publishing Information:London, Oxford University Press
# of Pages:9
Keywords:TIC Keywords: Lolium perenne; Carbon dioxide; Temperatures; Stomatal density; Cell size; Stomata
Cultivar Names:Vigor
Abstract/Contents:"Mature second leaves of Lolium perenne L. c. Vigor, were sampled in a spring and summer regrowth period. Effects of CO₂ enrichment and increased air temperature on stomatal density, stomatal index, guard cell length, epidermal cell density, epidermal cell length and mesophyll cell area were examined for different positions on the leaf and seasons of growth. Leaf stomatal density was smaller in spring but greater in summer in elavated CO₂ and higher in both seasons in elavated temperature and in elavated CO₂ x temperature relative to the respective controls. In spring, leaf stomatal index was reduced in elavated CO₂ but in summer it varied with position on the leaf. In elavated temperature, stomatal index in both seasons was lower at he tip / middle of the leaf but slightly higher at the base. In elavated CO₂ x temperature, stomatal index varied with position on the leaf and between seasons. Leaf epidermal cell density was higher in all treatments relative to controls except in elavated CO₂ (spring) and elavated CO₂ x temperature (summer), it was reduced at the leaf base. In all treatments, stomatal density and epidermal cell density declined from leaf tip to base, whilst guard cell length showed an inverse relationship, increasing towards the base. Leaf epidermal cell length and mesophyll cell area increased in elavated CO₂ in spring and decreased in summer. In elavated CO₂ x temperature leaf epidermal cell legth remained unaltered in spring compared to the control but decreased in summer. Stomatal conductance was lower in all treatments except in summer in elavated CO₂ it was higher than in the ambient CO₂. These contrasting responses in anatomy to elavated CO₂ and temperature provide information that might account for differences in seasonal leaf area development observed in L. perenne under the same conditions."
Language:English
References:49
Note:Figures
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ferris, R., I. Nijs, T. Behaeghe, and I. Impens. 1996. Elevated CO₂ and temperature have different effects on leaf anatomy of perennial ryegrass in spring and summer. Ann. Bot. 78(4):p. 489-497.
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https://academic.oup.com/aob/article/78/4/489/2587522/
    Last checked: 03/01/2017
    Requires: PDF Reader
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