Full TGIF Record # 107235
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Web URL(s):https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az13593b2.pdf
    Last checked: 02/06/2017
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Publication Type:
i
Report
Author(s):Pessarakli, M.; Marcum, K. B.; Kopec, D. M.; Qian, Y. L.
Author Affiliation:Pessarakli: Senior Research Specialist, Turf, Plant Sciences; Kopec: Department of Plant Sciences, University of Arizona, Tucson, Arizona; Marcum: Assistant Professor, Turf, Plant Sciences, Texas A & M University; Qian: Associate Professor, Turfgrass Physiology, Colorado State University M University; Qian: Colorado State University
Title:Interactive effects of salinity and primo on the growth of Kentucky bluegrass
Section:Stress physiology
Other records with the "Stress physiology" Section
Source:2004 Turfgrass, Landscape and Urban IPM Research Summary [Arizona]. 2004, p. [1-5].
# of Pages:5
Publishing Information:Tucson, AZ: University of Arizona College of Agriculture & Life Sciences
Keywords:TIC Keywords: Percent living ground cover; Salinity; Salinity stress; Trinexapac-ethyl; Growth; Poa pratensis; Shoot growth; Dry weight; Sodium chloride; Electrical conductivity; Application rates; Clipping weight; Visual evaluation; Canopy; Salt tolerance
Cultivar Names:Nu Star
Trade Names:Primo Max
Abstract/Contents:"Kentucky bluegrass (Poa pratensis L.), cv. Nu Star was studied in a greenhouse to evaluate its growth responses in terms of shoot length and dry weight under NaCl (sodium chloride) salinity and different levels of Trinexapac - ethyl (primo Max). Plants were grown hydroponically under control and one level of salinity [EC (electrical conductivity) of 5 dS/m] and three levels of primo Max (0.3, 0.6, and 0.9 oz/1000 ft2), using Hoagland solution No. 1. Plant shoots (clippings) were harvested weekly, oven dried at 60°C, and dry weights recorded. At each harvest, shoot length was measured and recorded, percent visual canopy green cover was also estimated. The results show that shoot length and shoot dry weight (DW) of Kentucky bluegrass significantly decreased with both salinity and primo treatments, although the differences in shoot length and shoot DW were not significant between primo treatments at 0.6 and 0.9 oz/1000 ft2 applications rates. The green coverage of the turf canopy decreased under salinity stress, and the reduction of green canopy coverage by salinity was more pronounced when turf was treated by primo, suggesting that primo significantly reduced the salt tolerance of Kentucky bluegrass. The above results were observed for both cumulative as well as the weekly growth responses."
Language:English
References:4
Note:Tables
See Also:Other items relating to: Salinity Management For Cool Season Grasses
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Pessarakli, M., K. B. Marcum, D. M. Kopec, and Y. L. Qian. 2004. Interactive effects of salinity and primo on the growth of Kentucky bluegrass. Turfgrass Landscape Urban IPM Res. Summ. p. [1-5].
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https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az13593b2.pdf
    Last checked: 02/06/2017
    Requires: PDF Reader
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