Profile of weak podsol in fine sand over a silt loam; after fire 50 yrs ago; cf slide # 240 for landscape; Truax Twp. Plonski Forest.

Podsol profile in a deep medium/fine sand; Dunmore Twp. Plonski Forest near Swastika; under jack pine & poplar; n.b. shallowness of the profile.

Bisequum of sandly loam/silty clay/silt loam; n.b. Bt of a gray-wdedluvisol; Truax Twp. Plonski Forest near Swastika

World wide distribution of Phytophthora cinnamomi

Disturbed podsol in the Plonski Forest due to windthrow after fire.

Photo of Zanthoraceae pressii which is susceptible to Phytophthora cinnamomi and therefore spreads the disease.

Eucalyptus marginata killed by P. cinnamomi, n.b. Zanthoraceae pressii, dead & alive in centre of photo.

Mycelium of Phytophthora cinnamomi (x100).

Mycelium and sporangia of Phytopphthora cinnamomi (x400).

Oospore of Phytophthora cinnamomi in Banksia grandis.