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Improving the Ex Vitro Acclimation Efficiency of Hybrid Hazelnuts (Corylus avellana L. X C. americana Marshall)

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dc.contributor.advisor Saxena, Praveen
dc.contributor.author Nicholson, James
dc.date.accessioned 2019-09-06T17:42:50Z
dc.date.available 2019-09-06T17:42:50Z
dc.date.copyright 2019-09
dc.date.created 2019-08-26
dc.date.issued 2019-09-06
dc.identifier.uri http://hdl.handle.net/10214/17398
dc.description.abstract Micropropagation of hybrid hazelnuts (Corylus avellana L. X C. americana Marshall) commercially has been limited due to their poor rooting ability plus low survival and slow growth within the greenhouse. The objective of this study was to develop an efficient and cost-effective commercial in vitro rooting and acclimation protocol. Rooting hazelnuts in vitro within a Temporary Immersion System (TIS) induced a higher rooting (91.7%) than semi-solid rooting (27.2%) after 3 weeks. The TIS rooting technique was found to support a high in vitro density of 36 explants/vessel and plantlets exhibited a >90% survival in the greenhouse. Plantlets transplanted into a high organic matter growth medium, grown under low light (100 µmol/m2/s) and repotted after 9 weeks allowed a greater shoot growth (145.4 mm) after 12 weeks than plantlets repotted and grown under 250 µmol/m2/s (80.5 mm). This study allows for the rapid production of high quality hazelnut trees year round. en_US
dc.language.iso en en_US
dc.subject micropropagation en_US
dc.subject hazelnuts en_US
dc.subject hybrid hazelnuts en_US
dc.subject acclimation en_US
dc.subject ex vitro en_US
dc.subject Corylus avellana en_US
dc.subject in vitro en_US
dc.subject in vitro rooting en_US
dc.title Improving the Ex Vitro Acclimation Efficiency of Hybrid Hazelnuts (Corylus avellana L. X C. americana Marshall) 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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