Aluminium Tolerance of Maize Cultivars as Assessed by Callose Production and Root Elongation

Mercé Llugany, Nuria Massot, Alexander H. Wissemeier, Charlotte Poschenrieder, Walter J. Horst, Juan Barceló

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60 Citations (Scopus)


The differences in Al tolerance between 12 maize cultivars were investigated using early stress indicators such as relative root elongation rate, induction of callose formation and Al concentrations in 5 mm root tips. Plants were grown in nutrient solution (pH 4.3) and exposed to 0 (control), 20 or 50 μM Al for 24 h. According to the relative root elongation rates, Regent, C 525 M and Adour 250 were the most Al‐tolerant cultivars, while BR 201 F, Teosinte, Alarik, Burras and HS 7777 were Al‐sensitive. Cultivars Brummi, HS 1230, Lixis and Aladin showed an intermediate behaviour. A significant inverse correlation between relative root‐elongation rates and both Al concentration in root tips and callose concentrations could be established. The usefulness of callose as an early indicator of Al stress and the importance of Al exclusion from root tips as an Al tolerance mechanism are discussed. Copyright © 1994 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
Original languageEnglish
Pages (from-to)447-451
JournalZeitschrift für Pflanzenernährung und Bodenkunde
Publication statusPublished - 1 Jan 1994


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