Abstract
The relative susceptibility of 1 mo. old seedlings of 29 Banksia spp. to P. cinnamomi was compared in 2 greenhouse pot studies. Eight species, B. asplenifolia, B. collina, B. ericifolia, B. integrifolia, B. paludosa, B. robur, B. serrata and B. serratifolia, were resistant to P. cinnamomi. All 8 spp. are native to the coastal regions of eastern Australia. Nine species, B. ashbyi, B. baxterii, B. candolleana, B. hookerana, B. laricina, B. lindeleyana, B. prionotes, B. sceptrum and B. speciosa, were highly susceptible to the fungus. In a separate experiment, no difference in susceptibility between cuttings and seedlings of the same species was detected.

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