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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.1996.tb01651.x/epdf
Last checked: 10/13/2015
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| Publication Type:
| Refereed |
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| Author(s): | Wilen, C. A.;
Holt, J. S. |
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| Author Affiliation: | Department of Botany and Plant Sciences, University of California, Riverside, CA |
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| Title: | Physiological mechanisms for the rapid growth of Pennisetum clandestinum in Mediterranean climates |
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| Source: | Weed Research. Vol. 36, No. 3, June 1996, p. 213-225. |
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| Publishing Information: | Oxford: Blackwell Scientific Publications |
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| # of Pages: | 13 |
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| Keywords: | TIC Keywords: Growth rate; Cold resistance; Pennisetum clandestinum; Climate; Mediterranean climate; Stenotaphrum secundatum; Festuca arundinacea; Photosynthesis; Growth regulators
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| Abstract/Contents: | "Pennisetum clandestinum Hochst ex Chiov. (kikuyugrass) is a C₄ grass that has become an invasive weed in temperate climates. We examined ecophysiological mechanisms that have allowed it to become a successful weed in these locations by comparing P. clandestinum and two other common turfgrass species, Festuca arundinacea Schreb. (tall fescue cv. Mojave), a C₃ cool-season grass, and Stenotaphrum secundatum (Walt.) Kuntze (St. Augustinegrass), A C₄ warm-season grass, grown in a warm or cool growth regime. We measured rates of photosynthesis over a range of leaf temperatures and also measured growth rate parameters of these species. At leaf temperatures between 25°C and 40°C P. clandestinum maintained the highest rates of photosynthesis on both temperature regions. Under warm temperatures, this species rapidly increased biomass and leaf area to a greater extent than either of the other two grasses. Theoretical whole plant photosynthesis (mean leaf area x mean photosynthetic rate) was higher for P. clandestinum than for the other two species in both growth regimes and over most leaf temperatures. Our results suggest that P. clandestinum is a successful weed in Mediterranean climates as a result of its capacity to photosynthesize over the full range of temperatures found in those climates, its rapid growth during warm weather and its apparent tolerance to moderately cool temperatures." |
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| Language: | English |
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| References: | 34 |
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| See Also: | Other items relating to: KIKUYU |
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| Note: | Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wilen, C. A., and J. S. Holt. 1996. Physiological mechanisms for the rapid growth of Pennisetum clandestinum in Mediterranean climates. Weed Res. 36(3):p. 213-225. |
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| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.1996.tb01651.x/epdf
Last checked: 10/13/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: SB 599 .W4 |
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