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Rotation and fertility effects on root rot of spring wheat in southwest Saskatchewan

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dc.contributor.authorFernandez, M.R.
dc.contributor.authorZentner, R.P.
dc.date.accessioned2018-08-29T22:49:33Z
dc.date.available2018-08-29T22:49:33Z
dc.date.issued2004-02-19
dc.description.abstractSpring wheat grown in a replicated trial for one or two years after summerfallow, lentil, flax, or continuously (with and without fertilizer N) was examined for subcrown internode discoloration from 2000 to 2002 in southwest Saskatchewan. Discolored tissue was plated on nutrient agar for fungal identification. Root rot was in general present at highest levels in wheat grown after lentil, and at lowest levels in wheat grown continuously with low N fertility. The most common species were Cochliobolus sativus and Fusarium spp. Among the latter, F. avenaceum, F. equiseti and F. pseudograminearum were the most commonly isolated. F. avenaceum is the most important fusarium head blight (FHB) pathogen in western Saskatchewan. The percent isolation of Fusarium species was lowest in continuously-grown wheat with low N. Wheat after lentil had one of the highest levels of F. avenaceum. Among the crop rotations examined, it appears that the most favourable to the development of root rot in spring wheat was a wheat-lentil rotation. This rotation may also contribute to the build-up of F. avenaceum inoculum for the development of FHB, which is an important emerging disease of wheat and barley in western Saskatchewan.en_US
dc.description.versionNon-Peer Reviewed
dc.identifier.urihttp://hdl.handle.net/10388/9660
dc.language.isoenen_US
dc.relation.ispartofSoils and Crops Workshop
dc.rightsAttribution-NonCommercial-NoDerivs 2.5 Canada*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.5/ca/*
dc.subjectcommon root roten_US
dc.subjectFusarium graminearumen_US
dc.subjectcrop rotationen_US
dc.subjectwheaten_US
dc.subjectlentilen_US
dc.subjectflaxen_US
dc.subjectsummerfallowen_US
dc.subjectCochliobolus sativusen_US
dc.titleRotation and fertility effects on root rot of spring wheat in southwest Saskatchewanen_US
dc.typePoster Presentationen_US

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