Full TGIF Record # 107234
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Web URL(s):https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az13593b1.pdf
    Last checked: 02/06/2017
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Author(s):Kohout, M. J.; Bigelow, D. M.; Olsen, M. W.
Author Affiliation:Kohout: Undergraduate Student, Department of Microbiology; Bigelow: Research Specialist, Plant Pathology and Microbiology; Plant Sciences; Olsen: Division of Plant Pathology and Microbiology; Plant Sciences, University of Arizona, Tucson, Arizona
Title:Effect of salinity on symptom development of rapid blight on perennial rye
Section:Stress physiology
Other records with the "Stress physiology" Section
Source:2004 Turfgrass, Landscape and Urban IPM Research Summary [Arizona]. 2004, p. [1-4].
# of Pages:4
Publishing Information:Tucson, AZ: University of Arizona College of Agriculture & Life Sciences
Keywords:TIC Keywords: Symptoms; Irrigation water; Salinity; Salinity stress; Irrigation rates; Rapid blight; Disease profile; Lolium perenne; Labyrinthula terrestris; Saline water; Disease control; Water quality; Infection; Turfgrass quality
Cultivar Names:Brightstar
Abstract/Contents:"Rapid blight is a new disease of cool season turfgrasses caused by Labyrinthula terrestris. Disease often occurs on turf irrigated with high salinity water and in areas of frequent mowing. The effects of salinity of irrigation water on symptom development were studied in the laboratory using two-week-old seedlings of perennial rye "Brightstar SLT." Irrigation water was adjusted to 0.5, 0.8, 1.4, 1.8, 2.0, 2.3, 2.8, 4.0, 6.0, and 8.0 dS/m by adding artificial seawater. Plants were inoculated with a 2x105 cells/ml suspension of Labyrinthula terrestris isolated from diseased turf in Arizona. Plants were infected, but not symptomatic, when irrigated with 0.5 dS/m water. At salinities from 0.8 to 8.0 dS/m, symptom development increased as salinity increased. These findings substantiate field observations that rapid blight becomes increasingly more severe as salinity of irrigation water increases."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kohout, M. J., D. M. Bigelow, and M. W. Olsen. 2004. Effect of salinity on symptom development of rapid blight on perennial rye. Turfgrass Landscape Urban IPM Res. Summ. p. [1-4].
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    Last checked: 02/06/2017
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