Persistent Link:
http://hdl.handle.net/10150/216630
Title:
Isolation of the Rapid Blight Pathogen Labyrinthula terrestris from Bermudagrasses in Arizona
Author:
Olsen, Mary W.; Kohout, M. J.
Issue Date:
Oct-2006
Publisher:
College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ)
Journal:
Turfgrass, Landscape and Urban IPM Research Summary
Abstract:
Rapid blight is a new disease of cool season turfgrasses that affects several important turfgrasses used for overseeding Bermuda in Arizona such as Poa trivialis and Lolium perenne (perennial rye). It is caused by Labyrinthula terrestris, an unusual organism that causes collapse of susceptible hosts and usually occurs in turfgrasses irrigated with moderate to high salinity irrigation water (EC>2.0). Rapid blight has not been observed in the field in warm season grasses such as Cynodon sp. (Bermudagrass) although laboratory trials have shown that common Bermudagrass and other grasses may be hosts. Because the survival mechanism of Labyrinthula terrestris in the absence of cool season turfgrass hosts was unknown, this study was initiated to determine if L. terrestris "over-summers" in different Bermudagrass systems. Results of assays of several different Bermudagrass systems show that Bermudagrasses are good hosts for L. terrestris and explains why rapid blight is a perpetual threat year after year in the same locations.
Keywords:
Agriculture -- Arizona; Turfgrasses -- Arizona; Turf management -- Arizona; Plants, ornamental -- Arizona; Turfgrasses -- Diseases; Turfgrasses -- Disease control
Series/Report no.:
Series P-148; AZ1421

Full metadata record

DC FieldValue Language
dc.titleIsolation of the Rapid Blight Pathogen Labyrinthula terrestris from Bermudagrasses in Arizonaen_US
dc.contributor.authorOlsen, Mary W.en_US
dc.contributor.authorKohout, M. J.en_US
dc.date.issued2006-10-
dc.publisherCollege of Agriculture and Life Sciences, University of Arizona (Tucson, AZ)en_US
dc.identifier.journalTurfgrass, Landscape and Urban IPM Research Summaryen_US
dc.description.abstractRapid blight is a new disease of cool season turfgrasses that affects several important turfgrasses used for overseeding Bermuda in Arizona such as Poa trivialis and Lolium perenne (perennial rye). It is caused by Labyrinthula terrestris, an unusual organism that causes collapse of susceptible hosts and usually occurs in turfgrasses irrigated with moderate to high salinity irrigation water (EC>2.0). Rapid blight has not been observed in the field in warm season grasses such as Cynodon sp. (Bermudagrass) although laboratory trials have shown that common Bermudagrass and other grasses may be hosts. Because the survival mechanism of Labyrinthula terrestris in the absence of cool season turfgrass hosts was unknown, this study was initiated to determine if L. terrestris "over-summers" in different Bermudagrass systems. Results of assays of several different Bermudagrass systems show that Bermudagrasses are good hosts for L. terrestris and explains why rapid blight is a perpetual threat year after year in the same locations.en_US
dc.subjectAgriculture -- Arizonaen_US
dc.subjectTurfgrasses -- Arizonaen_US
dc.subjectTurf management -- Arizonaen_US
dc.subjectPlants, ornamental -- Arizonaen_US
dc.subjectTurfgrasses -- Diseasesen_US
dc.subjectTurfgrasses -- Disease controlen_US
dc.identifier.urihttp://hdl.handle.net/10150/216630-
dc.relation.ispartofseriesSeries P-148en_US
dc.relation.ispartofseriesAZ1421en_US
All Items in UA Campus Repository are protected by copyright, with all rights reserved, unless otherwise indicated.