Abstract
Aluminium-tolerant wheat populations have the ability to maintain a relatively high pH level in nutrient solution. The objective of this study was to examine how plants of two genotypes commonly grown in Hungary alter the pH of nutrient solution and to study the characteristics of genotype × Al-treatment interactions. Hard red winter wheat genotypes GK Tiszataj (high-protein content line) and GK Zombor (high-yielding potential line), their F2 and F3 progenies, together with two control varieties (Cardinal and GK Bence), were pre-germinated and then grown for 11 days in a solution culture without and with aluminium (0.74 mM). Daily changes in pH were measured. Plants of the populations tested decreased the pH of the medium when grown with or without Al. Declines in pH of F2 and F3 populations were intermediate between the declines of parents. The effects of Al-treatment were stronger in the first part of the test while genotypic effects were stronger in the first part of the test while genotypic effects were stronger in the final stages of the test. Heritability of plant-induced pH modification in the F2 generation with and without Al was 67 and 61%, respectively. Root length of plants indicated a significant correlation with the mean minimum pH values of the nutrient solution.
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© 1991 Springer Science+Business Media Dordrecht
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Bona, L., Matuz, J., Purnhauser, L. (1991). Aluminium tolerance of Triticum aestivum L. populations related to plant-induced pH changes of nutrient solution. In: Wright, R.J., Baligar, V.C., Murrmann, R.P. (eds) Plant-Soil Interactions at Low pH. Developments in Plant and Soil Sciences, vol 45. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3438-5_118
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DOI: https://doi.org/10.1007/978-94-011-3438-5_118
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