Water use, water use efficiency and drought resistance among warm-season turfgrasses in shallow soil profiles
As the available water supply for urban turfgrass management is becoming limited in Australia, it will be crucial to identify drought-resistant turfgrass species and water-saving management strategies. Eight (pre-)commercial turfgrasses grown in Australia, two each of four species including the berm...
| Main Authors: | , , , , |
|---|---|
| Format: | Journal Article |
| Language: | Inglés |
| Published: |
Commonwealth Scientific and Industrial Research Organisation
2012
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/165814 |
| _version_ | 1855529610462101504 |
|---|---|
| author | Zhou, Yi Lambrides, Christopher J. Kearns, Ryan Ye, Changrong Fukai, Shu |
| author_browse | Fukai, Shu Kearns, Ryan Lambrides, Christopher J. Ye, Changrong Zhou, Yi |
| author_facet | Zhou, Yi Lambrides, Christopher J. Kearns, Ryan Ye, Changrong Fukai, Shu |
| author_sort | Zhou, Yi |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | As the available water supply for urban turfgrass management is becoming limited in Australia, it will be crucial to identify drought-resistant turfgrass species and water-saving management strategies. Eight (pre-)commercial turfgrasses grown in Australia, two each of four species including the bermudagrasses (Cynodon dactylon L.), the Queensland blue couches (Digitaria didactyla Willd), the seashore paspalums (Paspalum vaginatum Swartz.) and St Augustinegrasses (Stenotaphrum secundatum (Walt.) Kuntze) were evaluated in two lysimeter experiments. Shallow lysimeters (28 and 40 cm) were used to represent shallow soil profiles typical of urban environments. We measured gravimetric water use for the eight cultivars and calculated water use efficiency (WUE, clipping yield to water use ratio) and WUEr (ratio of WUE under drought to that under irrigated conditions). WUEr measured in both experiments correlated strongly with survival period and this relationship was not affected by soil type or cutting height. Using survival period as the criterion for drought resistance, the best were the bermudagrasses and the worst were the seashore paspalums and Queensland blue couches. The bermudagrass genotypes had the lowest water use, highest WUE and WUEr and the Queensland blue couches and seashore paspalums had the greatest water use, lowest WUE and WUEr. The possible mechanisms of drought resistance included lower water use and lower stomatal conductance as indicated by higher canopy temperature in the early stage of water deficit. |
| format | Journal Article |
| id | CGSpace165814 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2012 |
| publishDateRange | 2012 |
| publishDateSort | 2012 |
| publisher | Commonwealth Scientific and Industrial Research Organisation |
| publisherStr | Commonwealth Scientific and Industrial Research Organisation |
| record_format | dspace |
| spelling | CGSpace1658142025-12-08T10:29:22Z Water use, water use efficiency and drought resistance among warm-season turfgrasses in shallow soil profiles Zhou, Yi Lambrides, Christopher J. Kearns, Ryan Ye, Changrong Fukai, Shu australia canopy digitaria drought drought resistance evapotranspiration genotypes irrigation lysimeters plant physiology poaceae soil profiles soil types stomata varieties water supply water use efficiency As the available water supply for urban turfgrass management is becoming limited in Australia, it will be crucial to identify drought-resistant turfgrass species and water-saving management strategies. Eight (pre-)commercial turfgrasses grown in Australia, two each of four species including the bermudagrasses (Cynodon dactylon L.), the Queensland blue couches (Digitaria didactyla Willd), the seashore paspalums (Paspalum vaginatum Swartz.) and St Augustinegrasses (Stenotaphrum secundatum (Walt.) Kuntze) were evaluated in two lysimeter experiments. Shallow lysimeters (28 and 40 cm) were used to represent shallow soil profiles typical of urban environments. We measured gravimetric water use for the eight cultivars and calculated water use efficiency (WUE, clipping yield to water use ratio) and WUEr (ratio of WUE under drought to that under irrigated conditions). WUEr measured in both experiments correlated strongly with survival period and this relationship was not affected by soil type or cutting height. Using survival period as the criterion for drought resistance, the best were the bermudagrasses and the worst were the seashore paspalums and Queensland blue couches. The bermudagrass genotypes had the lowest water use, highest WUE and WUEr and the Queensland blue couches and seashore paspalums had the greatest water use, lowest WUE and WUEr. The possible mechanisms of drought resistance included lower water use and lower stomatal conductance as indicated by higher canopy temperature in the early stage of water deficit. 2012 2024-12-19T12:55:30Z 2024-12-19T12:55:30Z Journal Article https://hdl.handle.net/10568/165814 en Commonwealth Scientific and Industrial Research Organisation Zhou, Yi; Lambrides, Christopher J.; Kearns, Ryan; Ye, Changrong and Fukai, Shu. 2012. Water use, water use efficiency and drought resistance among warm-season turfgrasses in shallow soil profiles. Functional Plant Biol., Volume 39 no. 2 p. 116 |
| spellingShingle | australia canopy digitaria drought drought resistance evapotranspiration genotypes irrigation lysimeters plant physiology poaceae soil profiles soil types stomata varieties water supply water use efficiency Zhou, Yi Lambrides, Christopher J. Kearns, Ryan Ye, Changrong Fukai, Shu Water use, water use efficiency and drought resistance among warm-season turfgrasses in shallow soil profiles |
| title | Water use, water use efficiency and drought resistance among warm-season turfgrasses in shallow soil profiles |
| title_full | Water use, water use efficiency and drought resistance among warm-season turfgrasses in shallow soil profiles |
| title_fullStr | Water use, water use efficiency and drought resistance among warm-season turfgrasses in shallow soil profiles |
| title_full_unstemmed | Water use, water use efficiency and drought resistance among warm-season turfgrasses in shallow soil profiles |
| title_short | Water use, water use efficiency and drought resistance among warm-season turfgrasses in shallow soil profiles |
| title_sort | water use water use efficiency and drought resistance among warm season turfgrasses in shallow soil profiles |
| topic | australia canopy digitaria drought drought resistance evapotranspiration genotypes irrigation lysimeters plant physiology poaceae soil profiles soil types stomata varieties water supply water use efficiency |
| url | https://hdl.handle.net/10568/165814 |
| work_keys_str_mv | AT zhouyi waterusewateruseefficiencyanddroughtresistanceamongwarmseasonturfgrassesinshallowsoilprofiles AT lambrideschristopherj waterusewateruseefficiencyanddroughtresistanceamongwarmseasonturfgrassesinshallowsoilprofiles AT kearnsryan waterusewateruseefficiencyanddroughtresistanceamongwarmseasonturfgrassesinshallowsoilprofiles AT yechangrong waterusewateruseefficiencyanddroughtresistanceamongwarmseasonturfgrassesinshallowsoilprofiles AT fukaishu waterusewateruseefficiencyanddroughtresistanceamongwarmseasonturfgrassesinshallowsoilprofiles |