Scientific paper

The Response of Ocotea bullata (Lauraceae) to Flooded Conditions

Published in: South African Forestry Journal
Volume 157, issue 1, 1991 , pages: 32–37
DOI: 10.1080/00382167.1991.9629097
Author(s): W.A. LübbeSaasveld Forestry Research Centre, Division of Forest Science and Technology,

Abstract

The response of Ocotea bullata (Lauraceae), stinkwood, grown under a range of flooded conditions, was studied. Flooding results in chlorosis and shedding of leaves and may end in death if continued for prolonged periods. Die-back is the result of several changes taking place within the flooded plant causing a lowering or complete standstill of the photosynthetic and transpiration rates, a decrease in water potential and root: shoot ratio, an imbalance in the mineral relationships, and an increase in the incidence of the root rot fungus Phytophthora cinnamomi from flooded plants.

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