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Untersuchungen zur sortenspezifischen Mineralstoffaufnahme bei Reben

By A. Scienza, O. Failla and F. Romano


Investigations on the variety-specific uptake of minerals by grapevinesThere is a high genetic variability of the K, Ca and Mg uptake within the genus Vitis. Thus, it is possible to establish a program for the breeding of rootstocks which allow a better adaptation to the nutrient conditions of the soils and a more balanced uptake and use of the three cations. The present work is based on the so called efficiency ratio for K, Ca and Mg. This ratio expresses the amount of dry substances produced per weight unit of a nutrient element under the conditions of a limited nutrient availability. Several grapevine crossings bred in the Institute of Arboriculture, University of Milan, show a good efficiency ratio for K without Ca or Mg uptake being negatively influenced

Topics: nutrition, potassium, calcium, magnesium, rootstock, variety of vine, selection
Publisher: VITIS - Journal of Grapevine Research
Year: 2015
DOI identifier: 10.5073/vitis.1986.25.160-168
OAI identifier: oai:jki:article/5947

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