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| DOI: | 10.1016/j.scienta.2004.11.004 |
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| Web URL(s): | http://www.sciencedirect.com/science/article/pii/S0304423804002468
Last checked: 01/31/2014
Access conditions: Item is within a limited-access website |
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| Author(s): | Jiang, Yiwei;
Carrow, Robert N.;
Duncan, Ronny R. |
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| Author Affiliation: | Jiang and Carrow: Department of Crop and Soil Sciences, Experiment Station, University of Georgiam, Griffin, Georgia; Duncan: Turf Ecosystems, Limited Liability Company, San Antonio, Texas |
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| Title: | Physiological acclimation of seashore paspalum and bermudagrass to low light |
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| Source: | Scientia Horticulturae. Vol. 105, No. 1, May 2005, p. 101-115. |
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| Publishing Information: | Amsterdam, Elsevier |
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| # of Pages: | 15 |
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| Keywords: | TIC Keywords: Paspalum vaginatum; Physiological responses; Shade resistance; Photosynthesis; Proteins; Enzymes; Acclimatization; Light intensity; Comparisons; Cynodon dactylon; Cynodon transvaalensis; Photochemical efficiency; Chlorophyll content; Quality evaluation
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| Cultivar Names: | Sea Isle I; Tifsport |
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| Abstract/Contents: | "Physiological responses play an important role in low light tolerance in plants. The acclimations of photosynthetic activities, total soluble protein, and antioxidant enzyme were characterized in low lighttolerant 'Sea Isle 1' seashore paspalum (Paspalum vaginatum Swartz) and intolerant 'TifSport' hybrid bermudagrass (Cynodon dactylon L. × Cynodon transvaalensis BurttDavy) grown under high light control (HL, 500900 μmol m-2 s-1), low light (LL, 60-100 μmol m-2 s-1), and LL to HL transfer in the greenhouse. Shade cloth was used to create the LL treatment. Sea Isle 1 maintained higher turf quality and normalized difference vegetation index (NDVI) than that of TifSport under LL. Chlorophyll a (Chl a) and chlorophyll b (Chl b) content were reduced by 3436% in Sea Isle 1 and by 5163% in TifSport at day 35 of LL, respectively, relative to their HL levels. Chlorophyll a/b ratio (Chl a/b) generally was not affected by LL for Sea Isle 1, but the values under LL increased to above HL level in TifSport. Photochemical efficiency (Fv/Fm) remained constant under LL in both species. Total soluble protein content (SPC), watersoluble carbohydrate content (WSC), catalase (CAT) activity, and ascorbate peroxidase (APX) activity decreased 22% and 55%, 52% and 66%, 68% and 77%, and 40% and 66% under LL for Sea Isle 1 and TifSport, respectively. After grasses were transferred from LL to HL, Chl a, Chl b, SPC, WSC, and CAT activity increased, but to a higher extent in Sea Isle 1. A shortterm reduction in Fv.Fm was exhibited in both species after light transfer but a further decrease was found in TifSport. The results indicated that the relative higher levels of Chl, SPC, WSC, and antioxidant enzyme activities under LL contributed to better LL tolerance in grass species. More rapid recovery of these parameters from LL to HL was a characteristic of the tolerant Sea Isle 1 seashore paspalum relative to the intolerant TifSport bermudagrass." |
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| Language: | English |
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| References: | 37 |
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| See Also: | Other items relating to: Seashore Paspalum - Since 2000 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Jiang, Y., R. N. Carrow, and R. R. Duncan. 2005. Physiological acclimation of seashore paspalum and bermudagrass to low light. Scientia Horticulturae. 105(1):p. 101-115. |
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| DOI: 10.1016/j.scienta.2004.11.004 |
| Web URL(s):
http://www.sciencedirect.com/science/article/pii/S0304423804002468
Last checked: 01/31/2014
Access conditions: Item is within a limited-access website |
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MSU catalog number: b4895016 |
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