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Inhibition of Phytophthora cinnamomi chlamydospore by Acacia pulchella

Jayasekera, A.U., McComb, J.A., Hardy, G.E.St.J. and Shearer, B.L. (2005) Inhibition of Phytophthora cinnamomi chlamydospore by Acacia pulchella. In: 15th Australasian Plant Pathology Society Conference, 26-29 September 2005, Geelong, Vic..

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The main survival structures of P. cinnamomi in the soil are chlamydospores and oospores (1). However, only the A2 mating type is present in the jarrah forest of Western Australia, therefore chlamydospores are considered the common survival structures for P. cinnamomi (2).

Previous studies have shown that Acacia pulchella, a common understorey species in the jarrah forest, A. pulchella can reduce sporangial production of P. cinnamomi in the soil (3). However, no information is available regarding its effects on chlamydospores.

If A. pulchella was to be used as a biological control tool in controlling P. cinnamomi it is important to determine if chlamydospore production and viability are influenced by A. pulchella. We report here on the effect of root exudates of A. pulchella on P. cinnamomi chlamydosporese.

Item Type: Conference Item
Murdoch Affiliation(s): School of Biological Sciences and Biotechnology
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