Fig. 15-3. Qualitative analysis of ergot alkaloids in Neotyphodium endophyte infected seed. The top four rows, with yellow stain, are analyses of individual seeds containing a nontoxic endophyte. The bottom four rows are analyses of individual seeds from a lot that was 90% infected with a toxic endophyte-the cells F4, F11, G6, and G9 are stained yellow, and the clear color indicates presence of fescue alkaloids. (Photo by N. Hill, University of Georgia.)

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Tall Fescue Monograph