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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Photosynthesis in coffea arabica: I. Effects of light and temperature
Experimental Agriculture, Volume 16, No. 1, Year 1980
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Description
Photosynthetic rates of coffee plants grown under the full sun and shade were compared. The saturating irradiance of 300 μE−1 m s−1 of shade plants shifted to near 600 μE in sungrown plants, but shade plants possessed substantially higher photosynthetic rates. Photosynthetic rates decreased above 25°C, which was apparently due to a decline in the mesophyll conductance, as stomatal conductance remained more or less unchanged between 25° and 35°C. Most of these measurements were made on seedlings in plastic bags. It is concluded that coffee is more suited to high density plantings where mutual shading, resulting in low light intensities and lower leaf temperatures, are likely to produce a favourable environment for efficient photosynthesis and growth. © 1980, Cambridge University Press. All rights reserved.
Authors & Co-Authors
Kumar, D.
Kenya
Coffee Research Station
Tieszen, Larry L.
Kenya, Nairobi
University of Nairobi
Statistics
Citations: 107
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1017/S0014479700010656
ISSN:
00144797
e-ISSN:
14694441