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Photosynthesis in Sitka spruce VIII. The effects of light flux density and direction on the rate of net photosynthesis and the stomatal conductance of needles.

Published online: 01 Jan 1982

Authors: Leverenz, J. W. & Jarvis, P. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

[See FA 38, 1151] Needles of Sitka spruce were illuminated on either the top or bottom surfaces or on both simultaneously, using parallel beam light. ...

Photosynthesis in Sitka spruce (Picea sitchensis (Bong.) Carr.) IX. The relative contribution made by needles at various positions on the shoot.

Published online: 01 Jan 1982

Authors: Leverenz, J. W. & Jarvis, P. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

The insertion angle of the needles, their position on the stem, and their width had large effects on the uptake of 14CO2 by detached 'sun' and 'shade'...