Biostimulants improves the content of polyphenol in the potato tubers

Krystyna Zarzecka, Marek Gugała, Agnieszka Ginter, Iwona Mystkowska, Łukasz Domański and Anna Sikorska
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Krystyna Zarzecka: Institute of Agriculture and Horticulture, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
Marek Gugała: Institute of Agriculture and Horticulture, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
Agnieszka Ginter: Institute of Agriculture and Horticulture, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
Iwona Mystkowska: Department of Dieteties, Pope John Paul II State School of Higher Education in Biała Podlaska, Biała Podlaska, Poland
Łukasz Domański: Institute of Agriculture and Horticulture, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
Anna Sikorska: Department of Agriculture, Vocational State School of Ignacy Mościcki, Ciechanów, Poland

Plant, Soil and Environment, 2023, vol. 69, issue 3, 118-123

Abstract: Research was conducted to determine the content of total polyphenols (TP) in table potato tubers obtained in a three-year field experiment arranged as a split-plot design with three replicates. The first experimental factor included two potato cultivars: Oberon and Malaga, the second one being an application of the following biostimulants: PlonoStart, Aminoplant, Agro-Sorb Folium and the herbicide Avatar 293 ZC (clomazone + metribuzin). The polyphenol content of potato tubers was determined in the fresh tuber mass by the spectrophotometric method with the Folin-Ciocalteu reagent. The tuber content of polyphenols was affected by cultivars and test biostimulants. Cv. Malaga accumulated more polyphenols than cv. Oberon. Biostimulants + herbicide significantly increased an accumulation of polyphenolic compounds compared with tubers cultivated in the control unit which was not treated with the test products.

Keywords: Solanum tuberosum L.; cultivars; bioactive substances; growth regulators; herbicide (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:69:y:2023:i:3:id:441-2022-pse

DOI: 10.17221/441/2022-PSE

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