The role of mycorrhizal associations in the growth and survival of the native hills daisy, Ixodia achillaeoides: interactions with root-pathogenic nematodes

Although mycorrhizal associations are widespread in Australian ecosystems (McGee 1986; Logan et al. 1989; Bellgard 1991; Brundrett 1991) and some studies have shown an improved growth of native plants due to the presence of the symbiosis (Barrow 1977; Jasper & Davy 1993), there is scant information on the ecological significance of the symbiosis in these systems. However, there is consensus that mycorrhizas not only play an important role in the nutrient acquisition of native plants but also may increase the resistance/tolerance of the host plant to root diseases as in some cultivated plants (Fitter & Garbaye 1994).

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