Photosynthesis and growth of seedlings of two tree species: Polyscias fulva and Warburgia ugandensis under different light regimes
1999
Theuri, Patrick Wang'ombe | Dr. Konuche (Director, KEFRI) | Omenda, Tom | Prof. Kinyamario (Supervisor)
In Kenya, forest destruction is occurring at an alarming rate and this is mainly attributed to increase in human population. The impact is felt not only in natural forests but also in plantation forests. This means afforestation and re-forestation programmes are vital if what is remaining of our natural heritage is to be saved. This is possible if suitable seedlings for planting either in plantation or in the natural forest are produced. For the study in this thesis, seedlings of two indigenous tree species were grown for five months at four different light regimes. The aim of this experiment was to determine the responses of seedlings of the two tree species to these different levels of light in terms of photosynthetic rates, growth and morphogenetic characteristics. The two species are important for various tree-planting activities in Kenya. The present study was intended as a contribution on the autecology of the two economically important tree species of Kenya.
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