Interaction between grapevines and trees : effects on water relations, nitrogen nutrition, and wine

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2019
Autor:innen
Lang, Carina P.
Merkt, Nikolaus
Geilfus, Christoph-Martin
Graeff–Hönninger, Simone
Rennenberg, Heinz
Zörb, Christian
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Archives of Agronomy and Soil Science. 2019, 65(2), pp. 224-239. ISSN 0365-0340. eISSN 1476-3567. Available under: doi: 10.1080/03650340.2018.1493197
Zusammenfassung

Agroforestry systems (AF) consisting of grapevines and trees, may lead to resource competition for water and nutrients. This study aimed to evaluate the impact of a combined cultivation on water relations, nitrogen nutrition and the resulting wine quality. 15N-labeled inorganic nitrogen (N) sources were used to quantify net N uptake capacity. N content and δ15N natural abundance were analysed as integrating parameters of N nutrition. Leaf water potential (ψleaf) was determined to evaluate the water status of grapevines. Wine quality was evaluated by chemical and sensory analyses. In result, AF system reduced leaf water potential and increased net N uptake capacity in grapevines. However, chemical composition and sensory quality of the wine were not significantly affected in the present system consisting of Riesling, Sauvignon Blanc, oak and poplar. Nitrogen availability of grapevines was favourable and water relations were improved, whereas wine quality was similar when grown with trees or without. Trees were able to reduce water and nitrogen losses without negative effects on wine quality. This work provides information on benefits and limits for intercropping of trees and grapevines in terms of performance of grapevines and wine quality compared to traditional vineyard systems.

Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
570 Biowissenschaften, Biologie
Schlagwörter
Agroforestry, grapevine, nitrogen, water, wine
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ISO 690LANG, Carina P., Nikolaus MERKT, Christoph-Martin GEILFUS, Simone GRAEFF–HÖNNINGER, Judy SIMON, Heinz RENNENBERG, Christian ZÖRB, 2019. Interaction between grapevines and trees : effects on water relations, nitrogen nutrition, and wine. In: Archives of Agronomy and Soil Science. 2019, 65(2), pp. 224-239. ISSN 0365-0340. eISSN 1476-3567. Available under: doi: 10.1080/03650340.2018.1493197
BibTex
@article{Lang2019-01-28Inter-43259,
  year={2019},
  doi={10.1080/03650340.2018.1493197},
  title={Interaction between grapevines and trees : effects on water relations, nitrogen nutrition, and wine},
  number={2},
  volume={65},
  issn={0365-0340},
  journal={Archives of Agronomy and Soil Science},
  pages={224--239},
  author={Lang, Carina P. and Merkt, Nikolaus and Geilfus, Christoph-Martin and Graeff–Hönninger, Simone and Simon, Judy and Rennenberg, Heinz and Zörb, Christian}
}
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