Eucalypts are highly favoured plantation species as they are fast growing and easy to cultivate. The timber is an important source of fibre to the international pulp and paper industry. Plantation forestry in China is rapidly expanding, and now exceeds more than 1.3 million ha, mostly Eucalyptus urophylla, E. grandis and their hybrids (Minsheng 2003, Qi 2003). A number of foliar plant pathogens...