<p>Species back transformed means in each column assigned the same letter are not significantly different; citrus control with mean and standard error (n = 10) also provided.</p>∧<p>Citrus plants were not part of the randomised design and data not included in the ANOVA and not transformed.</p>†<p>Species effect not detected at p = 0.05.</p>#<p><i>Banksia ericifolia×B. spinulosa</i>.</p