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Adaptive significance of functional germination traits in crop wild relatives of Brassica
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Castillo-Lorenzo, E., Finch-Savage, William E., Seal, C. E. and Pritchard, H. W. (2019) Adaptive significance of functional germination traits in crop wild relatives of Brassica. Agricultural and Forest Meteorology, 264 . pp. 343-350. doi:10.1016/j.agrformet.2018.10.014
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Official URL: http://dx.doi.org/10.1016/j.agrformet.2018.10.014
Abstract
Functional germination traits contribute to both niche competitiveness and crop yield outcomes. However, there is little understanding of the adaptive significance of the germination thermal- and hydro-parameters in crop wild relatives (CWRs), yet these species are anticipated to be the source of adaptive traits for future agriculture. Seeds of 10 seed lots of Brassica species, sub-species and inbred lines from across Europe, North Africa and the Middle East were subjected to a range of temperature and water potential conditions. The germination progress curves recorded were analysed using repeated probit analysis and the functional trait parameters (thermal- and hydro thresholds and times) determined. Relationships between these seed parameters (and the physical trait, seed mass) and the seed source environment were investigated.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QK Botany S Agriculture > SB Plant culture |
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| Divisions: | Faculty of Science > Life Sciences (2010- ) | |||||||||
| Library of Congress Subject Headings (LCSH): | Brassica, Germination, Crop yields, Germplasm resources, Plant | |||||||||
| Journal or Publication Title: | Agricultural and Forest Meteorology | |||||||||
| Publisher: | Elsevier | |||||||||
| ISSN: | 0168-1923 | |||||||||
| Official Date: | 15 January 2019 | |||||||||
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| Volume: | 264 | |||||||||
| Page Range: | pp. 343-350 | |||||||||
| DOI: | 10.1016/j.agrformet.2018.10.014 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| RIOXX Funder/Project Grant: |
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