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Publication Type:
| Refereed |
Author(s): | Shearman, R. C. |
Author Affiliation: | Department of Horticulture, University of Nebraska, Lincoln, Nebraska |
Title: | Kentucky bluegrass cultivar evapotranspiration rates |
Section: | Production and culture Other records with the "Production and culture" Section
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Source: | HortScience. Vol. 21, No. 3, June 1986, p. 455-457. |
Publishing Information: | St. Joseph, MI : American Society for Horticultural Science |
# of Pages: | 3 |
Keywords: | TIC Keywords: Variety trials; Evapotranspiration rate; Poa pratensis; Roots; Shoot density; Stomatal density; Cultivars; Verdure; Evapotranspiration
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Abstract/Contents: | "Twenty well-watered Kentucky bluegrass (Poa pratensis L.) cultivars were evaluated for evapotranspiration (ET) under controlled environment, using the water-balance method. ET ranged from a low of 3.86 mm-day-1 for 'Enoble' to a high of 6.43 mm-day-1 for 'Merion', 'Birka', and 'Sydsport'. cultivars differed in shoot density, verdure, root density, stomatal density, and stomatal index. Only verdure was significantly correlated (r= 0.60) to ET for the 20 cultivars. Five cultivars were selected using cluster analysis to represent categories of high, medium, and low ET rates. ET for these cultivars increased from 1.1- to 1.7-fold when temperature was increased from 25° to 35° C, depending on cultivar. ET at 35° was positively correlated to vertical elongation rate (r=0.96), and negatively correlated to shoot density (r= -0.87) and verdure (r= -0.83) under well-watered conditions." |
Language: | English |
References: | 12 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Shearman, R. C. 1986. Kentucky bluegrass cultivar evapotranspiration rates. HortScience. 21(3):p. 455-457. |
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