highly significantp < 0.001
In particular, after excluding allelochemicals from consideration, the effects of nutrition on all species were highly significant (PS of IO, md = 0.4, p < 0.001; IS of IO, md = 0.38, p = 0.003; PS of DOs, md = 0.251, p = 0.006; IS of DOs, md = 0.44, p < 0.001, Figure 3 ).