Abstract
Phenotypic, genotypic and environmental correlations between 10 growth and form characteristics of Eucalyptus camaldulensis Dehnh. grown at two locations within the Northern Guinea Savanna zone of Nigeria were investigated. These characteristics were tree height, diameter at breast height (dbh), number of branches and taper. Tree height and dbh were positively correlated with all the form characteristics except taper, which had positive correlations with tree height but negative correlations with dbh. Trees with better stem straightness tended to develop big-diameter branches that made relatively wide angles with the tree hole. Branch diameter had positive correlations with number of branches. Growth of E. camaldulensis can be improved simultaneously with its first fork height, stem form and branch angle. However, in the improvement programme, the selection pressure has to be maintained on the other characteristics because of the unfavourable correlations between them and the two growth characteristics.
Published Version
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