Morphological and Chemical Characteristics of Inbred Lines of Tall Fescue Selected for Palatability to Cattle1
- R. C. Buckner,
- P. B. Burrus and
- J. R. Todd2
Three tall fescue (Festuca arundinacea Schreb.) inbred lines, previously selected for their improved palatability to cattle, were compared for crude protein, total sugars, silica, and several morphological characters when grown in a spaced-plant nursery during 1964-1967. Significant differences were found between parents and their S3 or S4 progenies for all chemical constituents studied. while previous studies indicated that the lines were characterized by improved palatability (4), the cattle apparently did not select high or low content of crude protein, silica, or total sugars
Variability of S4 lines for the three chemical constituents indicated the possibility of developing cultivars higher in total sugars and lower in silica than S0 parents.
Inbreeding depressed the number of panicles per plant, seed per panicle, culm height, panicle and ray length which resulted in reduced yields of forage and seed of the S3 and S4 lines.
It was concluded that four generations of inbreeding in tall fescue were probably sufficient to attain the desired uniformity for the characters studied.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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