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  Limited nitrogen availability has cultivar-dependent effects on potato tuber yield and tuber quality traits

Van Dingenen, J., Hanzalova, K., Salem, M., Abel, C., Seibert, T., Giavalisco, P., et al. (2019). Limited nitrogen availability has cultivar-dependent effects on potato tuber yield and tuber quality traits. Food Chemistry, 288, 170-177. doi:10.1016/j.foodchem.2019.02.113.

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Van Dingenen, J.1, Author              
Hanzalova, K.1, Author              
Salem, M.A.2, Author              
Abel, Christin1, Author              
Seibert, T.1, Author              
Giavalisco, P.2, Author              
Wahl, V.1, Author              
Affiliations:
1Metabolism and Development, Department Stitt, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_2435692              
2Experimental Systems Biology, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753342              

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Free keywords: Potato, Nitrogen availability, Tuber yield, Sprouting, Hormones, Metabolites, Quality traits
 Abstract: An excess of nitrogen (N) is used in agriculture endangering the environment and food quality. One approach to circumvent this is to generate crops with a stable or even increased productivity under limited N. Here, we studied the effect of reduced N availability on potato (Solanum tuberosum) tuber yield and quality traits using five varieties: the wild Andigena and the commercial cultivars Désirée, Milva, Saturna and Alegria. Growth on limited N resulted in less tubers with a reduced weight except for Andigena. Tubers from low N-grown plants contained more starch, less sucrose and were delayed in sprouting. Some of the trait differences can be explained by changes in hormone levels between cultivars and N conditions. In general, Saturna and Alegria performed better under limited N making them excellent breeding candidates. Our results suggest that wild species more flexibly adapt to limited N, a trait lost in commercial potatoes.

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Language(s): eng - English
 Dates: 2019
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.foodchem.2019.02.113
BibTex Citekey: VANDINGENEN2019170
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Title: Food Chemistry
Source Genre: Journal
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Publ. Info: Amsterdam und Jena : Elsevier
Pages: - Volume / Issue: 288 Sequence Number: - Start / End Page: 170 - 177 Identifier: ISSN: 0308-8146
CoNE: https://pure.mpg.de/cone/journals/resource/0308-8146