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Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/61/6/AJ0610060896 Last checked: 12/09/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Matches, Arthur G. |
Author Affiliation: | Research Agronomist, Crops Research Division, Agricultural Research Service, United States Department of Agriculture, and Associate Professor, Department of Agronomy, University of Missouri, Columbia, Missouri |
Title: | Influence of cutting height in darkness on measurement of energy reserves of tall fescue |
Source: | Agronomy Journal. Vol. 61, No. 6, November/December 1969, p. 896-898. |
Publishing Information: | Washington: American Society of Agronomy |
# of Pages: | 3 |
Related Web URL: | https://dl.sciencesocieties.org/publications/aj/abstracts/61/6/AJ0610060896 Last checked: 12/09/2016 Access conditions: Item is within a limited-access website Notes: Abstract only |
Keywords: | TIC Keywords: Festuca arundinacea; Mowing height; Light intensity; Tillering rate; Energy conservation; Energy metabolism; Growth studies; Yield response
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Cultivar Names: | Kentucky 31 |
Abstract/Contents: | "The objective in these investigations was to determine whether measurement of the energy reserve status of tall fescue plants is influenced by height of cut in darkness. Vegetatively propagated 'Kentucky 31' tall fescue plants, grown in the greenhouse, were preconditioned to have either high or low energy reserves. Plants within each reserve group were then defoliated at cutting heights of 0 (soil level), 3, 6, or 9 cm and placed in a dark chamber. Levels of energy reserves were estimated as the amount of regrowth in darkness expressed on a per plant or a per tiller basis. Generally, etiolated growth per plant or per tiller increased as the cutting height increased. This indicates that an energy reserve sink exists in the stem bases of tall fescue. High-reserve plants were the most responsive to differences in height of cut. Concentration of reserves were not necessarily uniform throughout the stem base. We believe height of cut for energy reserve determination should not be less than 3 cm, and the 6- and 9-cm heights appear satisfactory for most investigations." |
Language: | English |
References: | 13 |
Note: | Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Matches, A. G. 1969. Influence of cutting height in darkness on measurement of energy reserves of tall fescue. Agron. J. 61(6):p. 896-898. |
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| Web URL(s): https://dl.sciencesocieties.org/publications/aj/pdfs/61/6/AJ0610060896 Last checked: 12/09/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: S 22 .A45 |
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