Journal of Food, Agriculture and Environment

Vol 12, Issue 2,2014
Online ISSN: 1459-0263
Print ISSN: 1459-0255

The potential for the improvement of carotenoid level in potato - Effect of the genotype and environment


Beata Tatarowska 1*, Dorota Milczarek 1, Henryka Jakuczun 1, Anna Stochmal 2, Łukasz Pecio 2, Bogdan Flis 1

Recieved Date: 2014-01-28, Accepted Date: 2014-04-22


Potato cultivars, which are rich in carotenoids, are the subject of increasing consideration in breeding for improvement of the nutritional quality of tubers. Concentration of tuber carotenoids is determined by both genetic and environmental factors. The aim of this study was to examine the participation of these factors in observed variability in different environments. In addition, a set of diploid and tetraploid clones and potato cultivars were evaluated to identify potential parental forms with increased total carotenoid content (TC) in tubers. Diploid clones (28), tetraploid clones (29) and 19 cultivars were evaluated. These materials were tested in one year in Młochów. In a second step, 6 potato clones/cultivars were evaluated during two years. The experimental fields were located in Central Part of Poland: Młochów (conventional system) and Chwałowice (organic system). TC for each clone/cultivar was calculated by using spectrophotometry. It was shown that clones with increased TC were present in both groups of evaluated potato clones. The statistical data indicated significant influence of location on TC. The accumulation of TC was higher in organically grown potatoes. Generally, the influence of genotype on TC was not found, except of cultivar Satina and clone 08-VIII-143. The interactions between tested factors were not usually observed, which indicated that expression of TC in tubers is stable in agronomic sense. These data indicate the possibility of applying breeding methods for obtaining potato cultivars with high and stable TC in tubers. This study showed also that the organic farming conditions might favour more active carotenogenesis in potato tubers.


Solanum tuberosum, total carotenoids, organic farming, spectrophotometry, stability

Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Agriculture
Pages: 536-540

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