PESTS AND DISEASES OF FORESTRY IN NEW ZEALAND
Eucalyptus leaf spots

(See also Eucalyptus foliage diseases Forest Research Bulletin 220)
Eucalyptus Leaf Spots
Forest Pathology in New Zealand No. 1
Based on M. Dick and P.D. Gadgil (1983)
Causal organisms
1. Aulographina Leaf Spot of Eucalyptus
2. Pseudocercospora Leaf Spots of Eucalyptus
3. Sonderhenia Leaf Spots of Eucalyptus
4. Phaeothyriolum Leaf Spot of Eucalyptus
5 & 6. Mycosphaerella leaf spot of Eucalyptus
7. Septoria leaf blight of Eucalyptus
8 & 9. Trimmatostroma Leaf Spots of Eucalyptus spp
Type of injury
Leaves become disfigured but tree growth is not usually affected. However, heavy infestations
may cause premature leaf drop or affect photosynthesis.
Compiled: 1983, minor update 1990, Revised 2009
Based on M. Dick and P.D. Gadgil (1983)
Causal organisms
1. Aulographina Leaf Spot of Eucalyptus
2. Pseudocercospora Leaf Spots of Eucalyptus
3. Sonderhenia Leaf Spots of Eucalyptus
4. Phaeothyriolum Leaf Spot of Eucalyptus
5 & 6. Mycosphaerella leaf spot of Eucalyptus
7. Septoria leaf blight of Eucalyptus
8 & 9. Trimmatostroma Leaf Spots of Eucalyptus spp
Type of injury
Leaves become disfigured but tree growth is not usually affected. However, heavy infestations
may cause premature leaf drop or affect photosynthesis.
Compiled: 1983, minor update 1990, Revised 2009
Other Eucalyptus Leaf Spots
New eucalyptus leaf spots
Cladosporium sp.
Elsinoe sp.
Torula sp
Pachysacca pusilla
New Eucalyptus leaf spot disease Pseudocercospora and
Cercospora



