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| Publication Type:
| Report |
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| Author(s): | Ge, Jin-gang;
Cai, Qing-sheng;
Zhou, Xing-yuan;
Song, Gang |
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| Author Affiliation: | Ge and Cai: College of Life Sciences, Nanjing Agricultural University, Nanjing; Ge, Zhou, and Song: Jiangsu Professional and Technological College of Agriculture and Forestry, Jurong, China |
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| Title: | Effect of soil drought stress on photosynthetic characteristics and water use efficiency in two turfgrasses |
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| Source: | [Caoye Kexue] [Pratacultural Science]. Vol. 22, No. 4, April 15 2005, p. 103-107. |
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| Publishing Information: | [Lanzhou Shi, China]: ["Cao Ye Ke Xue" Bian Jibu] |
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| # of Pages: | 5 |
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| Abstract/Contents: | "Two turfgrasses with different characters of photosynthetic assimilation, i.e. Tall fescue (Festuca pratensis cv. Houndog V, C3 plant) and Augustinegrass (Stenotaphrum secundatum cv. Bitter blue, C4 plant) were treated without water supply since the growth cover in the pot experiment reached 95 percent up until leaf permanent wilting point as a drought stress treatment and with normal watering as a control. The results showed that the relative water content of leaf (RWC), net photosynthesis (Pn), transpiration rate (Tr), stomatal conductance (Cs), water use efficiency (WUE) and apparent quantum yield of photosynthesis (AQY) declined while intercellular CO2 concentration (Ci) and light compensation point (LCPs) increased under the drought stress treatment. Among them, the WRC, Tr and LCPs in Auguestinegrass [Augustinegrass] were lower than that in Tall fescue, but the WUE and AQY were high than that in Tall fescue. The results suggested that Augustinegrass might be much more accommodated to drought stress than Tall fescue owing to its higher photosynthesis efficiency and water use capacity." |
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| Language: | Chinese |
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| References: | 13 |
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| Note: | Abstract also appears in English
"Sum No. 141"
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ge, J.-g., Q.-s. Cai, X.-y. Zhou, and G. Song. 2005. Effect of soil drought stress on photosynthetic characteristics and water use efficiency in two turfgrasses. (In Chinese) [Caoye Kexue] [Pratacultural Science]. 22(4):p. 103-107. |
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