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1983•Journal of Experimental BotanyRequires access

Net CO2Exchange Rate and Shoot Growth of Young Poplar (Populus) Clones

R. Ceulemans, I. Impens

Open publisher page 27 citations

Abstract

Eighteen poplar (Populus) clones, varying in growth capacity were grown in plastic containers under outdoor conditions. During the first year of growth their net CO2 exchange rate (NCER) was studied by infra-red gas analysis as a function of photosynthetic photon flux density (PPFD) under controlled environment conditions. Maximal NCER (under saturating PPFD) and the PPFD compensation point were significantly correlated with the first year's shoot length and hence with the above ground biomass production of the various clones.

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What this paper is about

Eighteen poplar (Populus) clones, varying in growth capacity were grown in plastic containers under outdoor conditions. During the first year of growth their net CO2 exchange rate (NCER) was studied by infra-red gas analysis as a function of photosynthetic photon flux density (PPFD) under controlled environment conditions. Maximal NCER (under saturating PPFD) and the PPFD compensation point were significantly correlated with the first year's shoot length and hence with the above ground biomass production of the various clones.

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Available abstract

Eighteen poplar (Populus) clones, varying in growth capacity were grown in plastic containers under outdoor conditions. During the first year of growth their net CO2 exchange rate (NCER) was studied by infra-red gas analysis as a function of photosynthetic photon flux density (PPFD) under controlled environment conditions. Maximal NCER (under saturating PPFD) and the PPFD compensation point were significantly correlated with the first year's shoot length and hence with the above ground biomass production of the various clones.

Key concepts: Shoot, Photosynthesis, Biomass (ecology), Salicaceae, Horticulture, Botany, Environmental science, Chemistry

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