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Effect of genotype, flesh colour and environment on the glycoalkaloid content in potato tubers from integrated agriculture

Author

Listed:
  • Jaroslav URBAN

    (Department of Plant Production, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Karel HAMOUZ

    (Department of Plant Production, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Jaromír LACHMAN

    (Department of Chemistry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Josef PULKRÁBEK

    (Department of Plant Production, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Kateřina PAZDERŮ

    (Department of Plant Production, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

The main aim of the study was evaluation of the content of -solanine, -chaconine and total glycoalkaloids (TGA) in fourteen new potato cultivars with purple and red flesh in comparison with yellow- and white-fleshed control potatoes cultivated in a friendly way in integrated agriculture. The results were obtained from three-year trials on two locations. TGA levels in tubers' flesh ranged from 33.69 to 167.77 mg/kg fresh matter (FM), and the ratio of α-chaconin to α-solanin from 1.18 to 3.78. No TGA safety limit was exceeded for any cultivar. The glycoalkaloids content was not significantly influenced by flesh colour, whereas the cultivar genotype had a decisive influence on their content. Eight cultivars with coloured flesh yielded a more favourable lower TGA content in comparison with the yellow-fleshed control cv. Agria (86.3 mg/kg FM); on the contrary six cultivars showed higher TGA values. The highest average TGA content was found in the purple-fleshed Bora Valley cultivar (165 mg/kg FM), the lowest was found in the red-fleshed Red Emmalie cultivar (43.6 mg/kg FM), whereas the white-fleshed cv. Russet Burbank reached 67.0 mg/kg FM. The glycoalkaloid content was significantly affected by location and year weather conditions.

Suggested Citation

  • Jaroslav URBAN & Karel HAMOUZ & Jaromír LACHMAN & Josef PULKRÁBEK & Kateřina PAZDERŮ, 2018. "Effect of genotype, flesh colour and environment on the glycoalkaloid content in potato tubers from integrated agriculture," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(4), pages 186-191.
  • Handle: RePEc:caa:jnlpse:v:64:y:2018:i:4:id:166-2018-pse
    DOI: 10.17221/166/2018-PSE
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    References listed on IDEAS

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    1. Marek GUGAŁA & Krystyna ZARZECKA & Anna SIKORSKA & Krzysztof KAPELA & Marek NIEWĘGŁOWSKI & Ewa KRASNODĘBSKA, 2017. "Effect of soil conditioner (UGmax) application on the content of phenols and glycoalkaloids in potato tubers," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 63(5), pages 231-235.
    2. M. Gugała & K. Zarzecka & H. Dołęga & M. Niewęgłowski & A. Sikorska, 2016. "The effect of biostimulants and herbicides on glycoalkaloid accumulation in potato," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 62(6), pages 256-260.
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    Cited by:

    1. Karel HAMOUZ & Jaromír LACHMAN & David BEČKA & Josef PULKRÁBEK, 2018. "Effect of growing conditions and storage on the total anthocyanin content in potatoes with coloured flesh," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(9), pages 435-440.
    2. Karel HAMOUZ & David BEČKA & Ivana CAPOUCHOVÁ, 2018. "Ascorbic acid content in potato tubers with coloured flesh as affected by genotype, environment and storage," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(12), pages 605-611.

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