Full TGIF Record # 112297
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Web URL(s):http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2006.96.6.S166#page=5
    Last checked: 10/20/2015
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Olsen, M. W.; Kohout, M. J.; Bigelow, D. M.
Author Affiliation:Department of Plant Sciences, The University of Arizona, Tucson, Arizona
Title:Effect of salt and PEG induced water stress on rapid blight disease of turfgrass caused by Labyrinthula sp.
Section:Abstracts of presentations at the 2005 Pacific Division Meeting
Other records with the "Abstracts of presentations at the 2005 Pacific Division Meeting" Section
Source:Phytopathology. Vol. 96, No. 6, June Supplement 2006, p. S170.
Publishing Information:St. Paul, MN: American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Rapid blight; Salts; Polyethylene glycol; Water stress; Labyrinthula; Water quality; Salinity; Lolium perenne
Abstract/Contents:"Rapid blight is a disease of cool-season turfgrasses caused by Labyrinthula sp. In Arizona, disease is most problematic in turfgrass irrigated with poor quality water, and laboratory studies have shown that disease severity increases with increased salinity. However, the importance of stress induced by water deprivation alone in disease development has not been evaluated. Studies were done to compare symptom development and infection of turfgrass seedlings grown in solutions of equal osmolalities using salt or polyethylene glycol (PEG). Perennial rye seedlings were grown in hydroponic solution adjusted to EC 4.0 dS/m with NaCl or the equivalent osmolality of PEG6000. Plants were inoculated at the crown with 0.1 ml of a 105 cell/ml suspension of Labyrinthula sp. All plants in the NaCl solution were infected and symptomatic after 7 days, while no plants in the PEG solution were infected or symptomatic. Non-inoculated control plants in both solutions were not infected or symptomatic. Results show that stress from water deprivation is not a factor in rapid blight disease development."
Language:English
References:0
See Also:Other items relating to: Salinity Management For Cool Season Grasses
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Olsen, M. W., M. J. Kohout, and D. M. Bigelow. 2006. Effect of salt and PEG induced water stress on rapid blight disease of turfgrass caused by Labyrinthula sp.. Phytopathology. 96(6):p. S170.
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http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2006.96.6.S166#page=5
    Last checked: 10/20/2015
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: SB 599 .P48
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