Biomass allocation and transpiration of the Picea abies and Fagus sylvatica cultivated under ambient and elevated [CO2] concentration

0426675 - ÚVGZ 2015 RIV BE eng J - Journal Article
Bužková, Romana - Pokorný, Radek
Biomass allocation and transpiration of the Picea abies and Fagus sylvatica cultivated under ambient and elevated [CO2] concentration.
Acta Horticulturae. Roč. 991, ISHS 2013 (2013), s. 157-162. ISSN 0567-7572
R&D Projects: GA MŠMT(CZ) ED1.1.00/02.0073; GA MŠMT(CZ) EE2.4.31.0056; GA MŽP(CZ) SP/2D1/70/08; GA AV ČR(CZ) IAA600870701
Institutional support: RVO:67179843
Keywords : sap flux density * Norway spruce * European beech * semi-opened glassdomes
Subject RIV: EH - Ecology, Behaviour

Elevated [CO2] affects physiological, anatomical and morphological properties of plants, both directly and indirectly. Higher carbon gain corresponds with higher transpiration demands. Juvenile trees of Picea abies and Fagus sylvatica were planted under ambient (385 μmol [CO2] mol-1) and elevated (700 μmol [CO2] mol-1) concentration in semi-opened glass domes with adjustable windows. We have evaluated biomass allocation and transpiration of the studied species. No effect of elevated [CO2] on Norway spruce was observed. European beech showed remarkable increase of root biomass and transpiration in elevated [CO2]. Reduction of the transpiration caused by the elevated [CO2] was not observed.
Permanent Link: http://hdl.handle.net/11104/0232371