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Evaluation of Photoperiod Sensitivity in Spring Canola (Brassica napus L.)

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dc.contributor.advisor Rajcan, Istvan Marsella, Jennifer 2019-08-28T19:08:18Z 2019-08-28T19:08:18Z 2019-06 2019-06-10 2019-08-28
dc.description.abstract Canola, Brassica napus L., exhibits variation in photoperiod sensitivity which allows flowering at the same time regardless of day length. Objectives of this research were to: 1) evaluate the flowering time of parents of Doubled Haploid (DH) populations under 12-, 14-, and 16-hour day length under controlled environmental conditions; 2) evaluate DH populations for days to flower under short- and long-day field environments; and 3) identify putative QTL involved in photoperiod insensitivity. Significant differences in flowering time were identified between photoperiod sensitive parents of populations grown under 12- and 16-hour day length. DHs were identified under field conditions that flowered at the same time under both long- and short-day conditions. A putative QTL was detected on linkage group C8 associated with the allele from the photoperiod insensitive parent decreasing days to flower. The position of the QTL may coincide with a homologue of a gene previously reported in A. thaliana. en_US
dc.language.iso en en_US
dc.subject Brassica napus en_US
dc.subject Photoperiod en_US
dc.subject flowering en_US
dc.subject Doubled haploid en_US
dc.title Evaluation of Photoperiod Sensitivity in Spring Canola (Brassica napus L.) en_US
dc.type Thesis en_US Plant Agriculture en_US Master of Science en_US Department of Plant Agriculture en_US
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