Basal canker on Eucalyptus due to Chr. austroafricana
Bruce Abear alongside E. grandis clone girdled at base by Chr. austroafricana . First outbreak in SA
Pycnidia and conidial tendrils of Chr. austroafricana
Pycnidia of Chr. austroafricana on bark above stem canker on E. grandis .
Section through E. grandis clone after inoculation with Chr. austroafricana .
Six week old lesion associated with inoculation of E. grandis clone stem using Chr. austroafricana .
Asci and ascospores of Chr. austroafricana .
