Screening Ecotypes of Poa Annua var. Reptans for Susceptibility to Pink Snow Mould Caused by Microdochium nivale

dc.contributor.advisorDionne, Julie
dc.contributor.advisorHsiang, Tom
dc.contributor.authorCunningham, Martha
dc.date.accessioned2021-07-29T17:32:28Z
dc.date.available2021-07-29T17:32:28Z
dc.date.copyright2005
dc.date.createdApr-05
dc.date.issuedApr-05
dc.degree.departmentSchool of Environmental Sciencesen_US
dc.degree.departmentGuelph Turfgrass Instituteen_US
dc.degree.grantorUniversity of Guelphen_US
dc.description.abstractAnnual bluegrass (Poa annua) ecotypes collected from golf course putting greens were evaluated for resistance to pink snow mould (Microdochium nivale) under natural and controlled conditions. Field plots consisted of thirty ecotypes transplanted into existing creeping bentgrass (Agrostis stolonifera) putting greens in the fall, which allowed the turf to cold acclimate. Inoculation occurred in early winter. Weekly visual evaluation conducted immediately after snowmelt over six weeks revealed significant differences in the ability of the ecotypes to resist pink snow mould attack and to recover after snowmelt. Cold chamber plots consisted of the same ecotypes used in the field study plus two bentgrasses transplanted into tubes. The ecotypes were acclimated in a cold chamber before they were inoculated with infested wheat bran. Visual evaluation during the incubation period revealed significant differences in the ability of the ecotypes and the bentgrasses to resist pink snow mould attack.en_US
dc.identifier.urihttps://hdl.handle.net/10214/26145
dc.language.isoenen_US
dc.publisherUniversity of Guelphen_US
dc.rights.licenseAll items in the Atrium are protected by copyright with all rights reserved unless otherwise indicated.
dc.subjectturfgrassen_US
dc.subjectplant pathologyen_US
dc.subjectpink snow moulden_US
dc.subjectcreeping bentgrassen_US
dc.subjectannual bluegrassen_US
dc.subjectdisease resistanceen_US
dc.titleScreening Ecotypes of Poa Annua var. Reptans for Susceptibility to Pink Snow Mould Caused by Microdochium nivaleen_US
dc.typeThesisen_US

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