Australian Journal of Soil Research, September 1st, 2004
Aluminum is rhizotoxic and is often present in acidic soils at activities high enough to inhibit root growth. The objectives of present study were to screen for Al-sensitive and Al-tolerant pineapple (Ananas comosus (L.) Merrill) cultivars and to investigate the potential mechanism(s) of Al tolerance. Seven cultivars were analysed and found to differ considerably in Al tolerance. The cultivars Soft Touch (Al-sensitive) and Cayenne (Al-tolerant) were selected for further analysis of physiological mechanism(s) of Al tolerance. The root elongation of Soft Touch was 80% compared with 120% for Caye...
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