Full TGIF Record # 3881
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Author(s):Fales, S. L.; Holt, D. A.; Daughtry, C. S. T.; Lechtenberg, V. L.
Author Affiliation:Purdue Univ., West Lafayette, IN 47907, USA
Title:Effects of maturity and environment on amount and composition of hemicellulose in tall fescue
Volume Editors:Smith, J. A. and Hays, V. W.
Source:Proceedings of the XIV International Grassland Congress. 1983, p. 419-421.
Publishing Information:Boulder, Colorado, USA; Westview Press
Keywords:TIC Keywords: Festuca arundinacea; Chemical composition; Hemicellulose; Regrowth; Photoperiod; Temperatures; Festuca
Geographic Terms:Indiana
Abstract/Contents:The relative effects of maturity and environment on amount and composition of hemicellulose in field-grown tall fescue were determined. Regrowth of identical age was sampled weekly at different times during the growing season. Hemicellulose conc. decreased during regrowth in early summer, remained about the same during midsummer and increased in late summer. Xylose conc. in hemicellulose increased during early summer and decreased during late summer, while arabinose conc. remained about the same throughout the season. These results indicate that the effect of time of season was greater than that of tissue age and imply that environment influenced the composition of the cell wall. Weekly changes in hemicellulose composition of new growth due to season were greater than indicated by the whole plant data, suggesting that composition of the newly synthesized cell wall changed considerably during the growing season, conforming more closely to trends in photoperiod than in temp.
Language:English
References:8
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Fales, S. L., D. A. Holt, C. S. T. Daughtry, and V. L. Lechtenberg. 1983. Effects of maturity and environment on amount and composition of hemicellulose in tall fescue. Int. Grassland Congress Proc. p. 419-421.
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