Nithya K. Subramanian
Genetic variation for tuber mineral concentrations in accessions of the Commonwealth Potato Collection
Subramanian, Nithya K.; White, Phillip J.; Broadley, Martin R.; Ramsay, Gavin
Authors
Phillip J. White
Professor MARTIN BROADLEY MARTIN.BROADLEY@NOTTINGHAM.AC.UK
PROFESSOR OF PLANT NUTRITION
Gavin Ramsay
Abstract
The variation in tuber mineral concentrations amongst accessions of wild tuber-bearing Solanum species in the Commonwealth Potato Collection (CPC) was evaluated under greenhouse conditions. Selected CPC accessions, representing the eco-geographical distribution of wild potatoes, were grown to maturity in peat-based compost under controlled conditions. Tubers from five plants of each accession were harvested, bulked and their mineral composition analysed. Among the germplasm investigated, there was a greater range in tuber concentrations of some elements of nutritional significance to both plants and animals, such as (Ca, Fe and Zn; 6.7, 3.6, and 4.5-fold respectively) than others, such as (K, P and S; all <3-fold). Significant positive correlations were found between mean altitude of the species' range and tuber P, K, Cu and Mg concentrations. The amount of diversity observed in the CPC collection indicates the existence of wide differences in tuber mineral accumulation among different potato accessions. This might be useful in breeding for nutritional improvement of potato tubers.
Citation
Subramanian, N. K., White, P. J., Broadley, M. R., & Ramsay, G. (2017). Genetic variation for tuber mineral concentrations in accessions of the Commonwealth Potato Collection. Genetic Resources and Crop Evolution, 64(8), 1927-1935. https://doi.org/10.1007/s10722-016-0483-z
Journal Article Type | Article |
---|---|
Acceptance Date | Dec 16, 2016 |
Online Publication Date | Jan 27, 2017 |
Publication Date | 2017-12 |
Deposit Date | Jan 20, 2017 |
Publicly Available Date | Jan 27, 2017 |
Journal | Genetic Resources and Crop Evolution |
Print ISSN | 0925-9864 |
Electronic ISSN | 1573-5109 |
Publisher | Springer Verlag |
Peer Reviewed | Peer Reviewed |
Volume | 64 |
Issue | 8 |
Pages | 1927-1935 |
DOI | https://doi.org/10.1007/s10722-016-0483-z |
Keywords | Potato (Solanum tuberosum); Commonwealth Potato Collection (CPC); Tuber; minerals; ICP-MS; Biofortification; Altitude |
Public URL | https://nottingham-repository.worktribe.com/output/838889 |
Publisher URL | http://link.springer.com/article/10.1007%2Fs10722-016-0483-z |
Additional Information | The final publication is available at Springer via http://dx.doi.org/10.1007/s10722-016-0483-z |
Contract Date | Jan 20, 2017 |
Files
GRES-D-16-00114-CPC manuscript- submitted.pdf
(793 Kb)
PDF
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