, Research Papers

Comparative study of photosynthesis in several Hevea brasiliensis clones and Hevea species under tropical field conditions

Research Papers
R. Ceulemans
Department of Biology, University of Antwerpen, U.I.A., Universiteitsplem 1, 8-2610-Wilrijk, Belgium
R. Gabriels
Department of Biology, University of Antwerpen, U.I.A., Universiteitsplem 1, 8-2610-Wilrijk, Belgium
I. Impens
Department of Biology, University of Antwerpen, U.I.A., Universiteitsplem 1, 8-2610-Wilrijk, Belgium
P.K. Yoon
Plant Science Division, The Rubber Research Institute of Malaysia, PO Box 150, Kuala Lumpur 01-02. Malaysia
W. Leong
Plant Science Division, The Rubber Research Institute of Malaysia, PO Box 150, Kuala Lumpur 01-02. Malaysia
A.P. Ng
Plant Science Division, The Rubber Research Institute of Malaysia, PO Box 150, Kuala Lumpur 01-02. Malaysia
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Keywords

Rubber
photosynthesis
Instrumental methods of analysis

How to Cite

Comparative study of photosynthesis in several Hevea brasiliensis clones and Hevea species under tropical field conditions. (1984). Tropical Agriculture, 61(4). https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/2339
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Abstract

Net photosynthesis in 20 different Hevea brasiliensis clones and six Hevea species (native to Brazil) were measured under tropical field conditions in West-Malaysia using infrared gas analysis technique. Photosynthetic photon flux density (PPFD) response curves of net photosynthesis were studied and PPFD-compensation point photosynthetic quantum yield (PQY), dark respiration rate (ORR) and maximum net photosynthesis (PMAX) values were derived. Differences among clones and species are reported and discussed.
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