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Effect of mycorrhizae on yield and disease suppression in onions and carrots

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dc.contributor.advisor MacDonald, Mary Ruth
dc.contributor.author Ilyas, Umbrin
dc.date.accessioned 2019-05-16T21:04:07Z
dc.date.available 2019-05-16T21:04:07Z
dc.date.copyright 2019
dc.date.created 2019-05-10
dc.date.issued 2019-05-16
dc.identifier.uri http://hdl.handle.net/10214/16144
dc.description.abstract The arbuscular mycorrhizal (AMF) inoculant, Glomus intraradices Schenck and Sm. was evaluated to determine effects on yield and disease suppression in onions and carrots. Interactions with soil phosphorus (P) were also assessed. Trials were conducted on muck and mineral soils near Bradford, Ontario, Canada. There was no significant effect of AMF inoculant on AMF colonization in roots, except in roots of onions grown on muck soil. There was no significant effect of AMF and P on the yield of onions and carrots. Mycorrhizae reduced soil P content in carrot fields on muck soil. The severity of carrot leaf blights was lower in carrots grown from AMF-coated seeds. The AMF communities detected in roots varied with the crop. Higher soil P was associated with lower diversity of AMF in carrots, and application of AMF inoculant increased AMF diversity in onions. Application of AMF was not cost effective. en_US
dc.description.sponsorship Ontario Agri-Food Innovation Alliance en_US
dc.language.iso en en_US
dc.subject Arbuscular Mycorrhizae en_US
dc.subject onions en_US
dc.subject carrots en_US
dc.subject muck soil en_US
dc.subject mineral soil en_US
dc.title Effect of mycorrhizae on yield and disease suppression in onions and carrots en_US
dc.type Thesis en_US
dc.degree.programme Plant Agriculture en_US
dc.degree.name Master of Science en_US
dc.degree.department Department of Plant Agriculture en_US
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