Examining the growth and nitrogen economy of organically selected spring wheat cultivars

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dc.contributor.authorWiebe, Laura
dc.contributor.examiningcommitteeBullock, Paul (Soil Science) Gulden, Robert (Plant Science)en_US
dc.contributor.supervisorEntz, Martin (Plant Science)en_US
dc.date.accessioned2015-01-07T20:52:02Z
dc.date.available2015-01-07T20:52:02Z
dc.date.issued2015-01-07
dc.degree.disciplinePlant Scienceen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractThe nitrogen uptake of organically selected and conventional spring wheat cultivars was assessed throughout the growing season. High protein yielding advanced lines were selected from the Agriculture and Agri-Food Canada and the University of Manitoba’s joint organic breeding program. The organic breeding lines were compared with conventional check cultivars. The organic lines were found to have higher average yield, grain N yield, kernel density, HI, and NHI while the check cultivars were found to have higher average grain protein. No significant differences were observed between organic lines and the check cultivars for biomass and N biomass accumulation. The strong performance of the organic breeding lines compared to their conventional counterparts for several key parameters is a positive indication of the benefits of specialized breeding programs. The higher yield of the organic lines indicated that they were better able to cope with the environmental stresses associated with organic growing conditions.en_US
dc.description.noteFebruary 2015en_US
dc.identifier.urihttp://hdl.handle.net/1993/30161
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectorganicen_US
dc.subjectwheaten_US
dc.subjectbreedingen_US
dc.subjectnitrogenen_US
dc.titleExamining the growth and nitrogen economy of organically selected spring wheat cultivarsen_US
dc.typemaster thesisen_US
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