Reports that glyphosate, the active ingredient of a post-emergence broad-spectrum herbicide, may inhibit tall fescue germination when applied before seeding were not supported by field experiments. The method of seeding (hydroseeding or overseeding), however, may contribute to poor establishment.

The authors wish to acknowledge Ventura Community College for providing the trial location, manure topdressings, and routine maintenance; Steve Griffin and Bob Reeves for assistance in the field work; Lori Yates for statistical analysis and reading the manuscript; and Vic Gibeault for reading the manuscript. The authors also acknowledge Cal Turf Inc. for providing hydroseeding services and tall fescue seed.