Influence of Living Mulch and Nitrogen Dose on Yield and Fruit Quality Parameters of Malus domestica Borkh. cv. ‘Sampion’

Urszula Barbara Baluszynska (), Maria Licznar-Malanczuk, Aljaz Medic, Robert Veberic and Mariana Cecilia Grohar
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Urszula Barbara Baluszynska: Department of Horticulture, Faculty of Live Sciences and Technology, Wroclaw University of Environmental and Life Sciences, Grunwaldzki 24a, 50-363 Wroclaw, Poland
Maria Licznar-Malanczuk: Department of Horticulture, Faculty of Live Sciences and Technology, Wroclaw University of Environmental and Life Sciences, Grunwaldzki 24a, 50-363 Wroclaw, Poland
Aljaz Medic: Department of Agronomy, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1000 Ljubljana, Slovenia
Robert Veberic: Department of Agronomy, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1000 Ljubljana, Slovenia
Mariana Cecilia Grohar: Department of Agronomy, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1000 Ljubljana, Slovenia

Agriculture, 2023, vol. 13, issue 5, 1-14

Abstract: This study was conducted to estimate the yield, and to identify and quantify primary and secondary metabolites in fruit of Malus domestica Borkh. cv. ‘Sampion’ under two agrotechnical factors: the floor management (herbicide fallow and living mulch) and the dose of nitrogen (50, 80, 110, and 140 kg ha −1 ). Compared to herbicide fallow, living mulch did not decrease yield. Research showed a rich composition of phenolic and volatile organic compounds in apples, which varied with the evaluated factors, as well as with the weather conditions during the vegetation season. The precipitation deficit and high summer temperatures did not contribute to proper fruit growth and development and led to a higher content of phenolic compounds in the fruit flesh from trees in herbicide fallow compared to living mulch. Living mulch, which could be a factor regulating the availability of nitrogen to trees, stimulated the synthesis of anthocyanins, which was also potentiated by low average temperatures at harvest time, resulting in a large area of fruit skin red blush.

Keywords: apple tree; cover crop; sugar; organic acid; phenolic compounds; volatile organic compounds (VOCs) (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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