Prof. Teresa Coutinho
Dept of Microbiology and Plant Pathology
Forestry and Agricultural Biotechnology Institute (FABI)
University of Pretoria
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Pantoea ananatis is the causal agent of bacterial blight and die-back of young eucalypts in South Africa.  This bacterium causes spots on the leaves which often coalesce to form larger lesions.  Shoot tip die-back may also occur.  The disease is particularly problematic in nurseries and mainly on E. grandis x E. nitens clones.