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Variability in Rooted Stem Production among Tall Fescue Genotypes¹

Rooted stems (both rhizomes and stolons) have been observed tall rescue, Festuca arundinacea Schreb., but variation in this characteristic has not been studied. Rooted stem number and length and plant area were determined for 24 genotypes at Athens, Ga., on a Cecil sandy clay loam soil (clayey kaolinitic, thermic Typic Haplu dult), and at Americus, Ga., on a Redbay sandy loam soil (fine loamy siliceous thermlc Rhodlc Paleudults). There was no genotype x location interaction for rooted stem number or length. Significant differences were found among the tall fescue genotypes in number and length of rooted stems and plant area (measured at soil surface). Positive correlations were obtained between plant area and rooted stem number and length. The variability in rooted stem production and the high degree of development of this character in some genotypes indicates its potential use in breeding tall rescue for better adaptation in marginal areas or for turf usage.

Key Words: Rhizomes • Stolons • Spreading ability • Tillering • Festuca arundinaceaSchreb

² Graduate assistant, assistant professor, and professor, respectively, Agronomy Dep., Univ. of Georgia, Athens, Ga.

Received for publication July 29, 1982.