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| Publication Type:
| Refereed |
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| Author(s): | Masiunas, J. B.;
Carpenter, P. L. |
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| Author Affiliation: | Department of Horticulture, Purdue University, West Lafayette, IN |
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| Title: | The effect of temperature and polyethylene glycol-induced osmotic stress on radicle growth of Lespedeza stipulacea, Lolium multiflorum, and Bouteloua curtipendula |
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| Source: | Journal of The American Society for HorticulturalScience. Vol. 109, No. 1, January 1984, p. 67-69. |
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| Publishing Information: | Alexandria, Virginia: American Society for Horticultural Science |
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| # of Pages: | 3 |
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| Keywords: | TIC Keywords: Lolium multiflorum; Water stress; Temperatures; Lespedeza stipulacea; Bouteloua curtipendula; Roots; Growth; Soil temperature; Responses
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| Abstract/Contents: | "Seedlings of Lolium multiflorum Lam., Lespedeza stipulacea Maxim., and Buteloua curtipendula (Michx.) Torr. were grown for 48 hours in darkness at 22°, 27°, 32°, or 37°C either in distilled water or polyethylene glycol 20,000 (PEG) solutions with osmotic potentials of -3.2, -7.7 or -9.8 bars. Redicle [Radicle] growth rate decreased as concentrations of polyethylene glycol increased. Radicle growth was reduced at 32° and negligible at 37° for L. multiflorum. All levels of PEG-induced osmotic stress reduced radicle growth at 22° and 32°, while at 27° only higher levels reduced growth of L. multiflorum. PEG-induced osmotic stress reduced radicle growth of B. curtipendula significantly at all temperatures except 37°, where the lowest level of PEG had an insignificant effect on radicle growth. With L. stipulacea, low levels of PEG-induced osmotic stress did not have a significant effect on radicle growth, but an osmotic stress of -9 bars reduced growth at all temperatures." |
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| Language: | English |
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| References: | 18 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Masiunas, J. B., and P. L. Carpenter. 1984. The effect of temperature and polyethylene glycol-induced osmotic stress on radicle growth of Lespedeza stipulacea, Lolium multiflorum, and Bouteloua curtipendula. J. Am. Soc. Hortic. Sci. 109(1):p. 67-69. |
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