Fig. 3. Relationships between observed and expected endophyte levels on 3 Sep. 2002, for two tall fescue treatments sown in mixtures with K31/Toxic-E in Apr. 2001 at three Ohio sites (Table 3). Each point is the average of three replicates, mean standard error = 6.1, ns = regression not significant, * = regression significant at P < 0.05.