Abstract
Roots from cuttings of grapevine rootstocks V. Berlandieri × V. rupestris 140 Ru, V. Berlandieri × V. riparia S04, V. riparia × V. rupestris 101–14 and a V. vinifera cultivar (Pinot blanc), with a decreasing degree of chlorosis resistance, were excised and tested to quantify physiological and morphological parameters, as follows: 59Fe uptake from an FeEDTA solution; reducing capacity; root diameter and root hair occurrence.
The most significant findings are that: a) 59Fe uptake and FeEDTA reduction decreased from the most chlorosis resistant rootstock (‘140 Ru’) to the most susceptible one (‘101–14’) and to Pinot blanc; b) 59Fe uptake and reducing capacity were closely related; c) iron uptake and reduction were closely related to the root diameter and root hair occurrence, within the rootstocks.
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© 1991 Springer Science+Business Media Dordrecht
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Bavaresco, L., Fregoni, M., Fraschini, P. (1991). Investigations on iron uptake and reduction by excised roots of different grapevine rootstocks and a V. vinifera cultivar. In: Chen, Y., Hadar, Y. (eds) Iron Nutrition and Interactions in Plants. Developments in Plant and Soil Sciences, vol 43. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3294-7_18
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DOI: https://doi.org/10.1007/978-94-011-3294-7_18
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