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| Publication Type:
| Refereed |
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| Author(s): | White, Richard H.;
Stefany, Peter;
Comeau, Mary |
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| Author Affiliation: | Soils and Crops Dept., Rutgers University, New Brunswick, NJ. |
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| Title: | Pre- and Poststress Temperature Influence Perennial Ryegrass in Vitro Heat Tolerance |
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| Source: | HortScience. Vol. 23, No. 6, December 1988, p. 1047-1050. |
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| Publishing Information: | St. Joseph, MI : American Society for Horticultural Science |
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| Keywords: | TIC Keywords: Temperatures; Lolium perenne; Heat resistance; Heat stress
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| Abstract/Contents: | "Injury to 'Prelude' and 'Manhattan II' perennial ryegrass (Lolium perenne L.) was measured as percentage of electrolyte leakage from leaf segments after stress to determine the influence of prestress growth temperature and poststress temperature on heat tolerance. The temperature required to cause 50% cell solute efflux was 59.9 degrees C for 'Prelude' and 56.5 degrees for 'Manhattan II', when measured immediately after stress treatment. However, electrolyte leakage increased with time after termination of stress. When measured 24 hr after termination of stress, 52 degrees caused 50% cell solute efflux from leaf segments of both cultivars. Injury levels 44 hr after 30 min at 50 degrees were = 12% and 89% when incubated at poststress temperatures of 7 degrees and 35 degrees, respectively. Incubation temperature following a 55 degrees treatment did not affect electrolyte leakage rate in either cultivar. Greater injury occurred in both cultivars when grown at 25 degrees than at 41 degrees." |
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| Language: | English |
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| References: | 10 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
White, R. H., P. Stefany, and M. Comeau. 1988. Pre- and Poststress Temperature Influence Perennial Ryegrass in Vitro Heat Tolerance. HortScience. 23(6):p. 1047-1050. |
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MSU catalog number: SB 1 .H64 |
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