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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/71/6/AJ0710060947
Last checked: 12/08/2016
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| Publication Type:
| Refereed |
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| Author(s): | Chalmers, D. R.;
Schmidt, R. E. |
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| Author Affiliation: | Chalmers: Former Graduate Student; Schmidt: Associate Professor, Virginia Polytechnic Institute and State University, Blacksburg, Virginia |
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| Title: | Bermudagrass survival as influenced by deacclimation, low temperatures, and dormancy |
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| Source: | Agronomy Journal. Vol. 71, No. 6, November/December 1979, p. 947-949. |
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| Publishing Information: | Madison, WI: American Society of Agronomy |
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| # of Pages: | 3 |
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| Keywords: | TIC Keywords: Winter; Survival; Deacclimation; Dormancy; Freezing; Rhizomes; Stolons; Cynodon dactylon; Cynodon transvaalensis; Cynodon; Cold resistance; Evaluations; Temperatures
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| Abstract/Contents: | "Winter survival is the most relevant problem in using bermudagrasses (Cynodon sp.) for turf in the northern limit for adaptation of semitropical grasses (upper south, U.S.). This research was conducted to investigate the effects of deacclimation, freezing temperatures, and duration of dormancy after exposure to freezing temperature on survival of bermudagrasses. 'Tifgreen' bermudagrass was taken from the field in February 1976, and deacclimated for 0, 2, 4, or 8 days at 27/13 C (day/night). Subsequently, rhizomes and stolons were subjected to temperatures of +2, 0, -2, -4, or -6 C for 24 hours. One-third of the samples from each treatment were maintained in dark storage for 0, 45, and 90 days at 2.7 C ^D+- before being grown in a greenhouse for 4 weeks. Rhizomes and stolons subjected to -4 or -6 C did not survive. Deacclimation with subsequent low temperature and extended dormancy duration appeared to have a compound influence on viability of stolons. Rhizomes were not so affected. At temperatures of -2 C or higher, viability of stolons did not decrease with deacclimation up to 4 days. However, with deacclimation up to 4 days, rhizome bud survival was enhanced. Survival of rhizome buds was significantly better at 0 C than -2 C; whereas, survival of stolon buds was not. Prolonged dormancy after exposure to low temperatures reduced the viability of both stolons and rhizome buds. Findings indicate that below freezing temperatures and prolonged dormancy durations after freezing hinder the survival of bermudagrass whereas, short deacclimation periods before freezing do not." |
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| Language: | English |
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| References: | 13 |
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| See Also: | See also related thesis, Winter Survival of Bermudagrass (Cynodon sp.) as Influenced by Deacclimation, Low Temperatures and Dormancy Periods, 1978, R=10233. R=10233 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Chalmers, D. R., and R. E. Schmidt. 1979. Bermudagrass survival as influenced by deacclimation, low temperatures, and dormancy. Agron. J. 71(6):p. 947-949. |
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| Web URL(s):
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Last checked: 12/08/2016
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Access conditions: Item is within a limited-access website |
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MSU catalog number: S 22 .A45 |
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