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Exploring the effects of hormone manipulation on the cold tolerance of cool season turfgrasses and cereals

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dc.contributor.advisor Lyons, Eric M.
dc.contributor.advisor Falk, Duane
dc.contributor.author Kerr, Robert A.
dc.date.accessioned 2014-09-08T14:02:07Z
dc.date.available 2014-09-08T14:02:07Z
dc.date.copyright 2014-08
dc.date.created 2014-07-30
dc.date.issued 2014-09-08
dc.identifier.uri http://hdl.handle.net/10214/8433
dc.description.abstract Trinexapac-ethyl (TE), product Primo Maxx, is a gibberellic acid (GA) inhibitor produced by Syngenta. A controlled acclimation study and two field studies were performed, one on AB and CB, and another on cereal crops with known genetic differences in cold tolerance. The results of the field study and the controlled acclimation study on the turfgrass species showed an increased concentration of high molecular weight (HMW) fructan for AB compared to CB. Results from the controlled acclimation study indicated that AB photosynthesis rates were higher than CB 20°C and 10°C. Carbohydrate concentration increased following five weeks of acclimation for both AB and CB in the controlled acclimation study. Both of the field studies had a significant date effect for carbohydrate status, with an increased concentration in HMW fructan in the fall when compared to the spring. en_US
dc.description.sponsorship Canadian Turfgrass Research Foundation en_US
dc.language.iso en en_US
dc.rights Attribution-NonCommercial-NoDerivs 2.5 Canada *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/2.5/ca/ *
dc.title Exploring the effects of hormone manipulation on the cold tolerance of cool season turfgrasses and cereals 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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Attribution-NonCommercial-NoDerivs 2.5 Canada Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 2.5 Canada