4SMITH H,KEMP G H J,WINGFIELD M J. Canker and die-back of Eucalyptus in South Africa caused by Botrya- sphaeria dothidea[ J ]. Plant Pathology, 1994,43 (6) :1031 -1034.
5SMITH H, WINGFIELD M J, COUTINHO T A. Eucalyptus die-back in South Africa associated with Colletotrichum gloeosporioides [ J ]. South African Journal of Botany, 1998,64 ( 3 ) :226-228.