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When seedlings of two rice (Oryza sativa L.) cultivars were raised in sand cultures under 500 and 1000 μM Pb(NO 3 ) 2 in the medium, lengths as well as weights of roots and shoots decreased with increase in Pb concentration. Pb-treated seedlings showed elevated levels of lipid peroxides with a concomitant increase in the activities of the enzymes superoxide dismutase (SOD), guaiacol...
We previously demonstrated that the differential water stress tolerance of two wheat cvs (Triticum aestivum L cvs Oasis and Elite) were related with the capacity of each cv. to modulate the antioxidant system response. In order to investigate the possible occurrence of the cross-tolerance phenomenon, we have now analysed the antioxidant system response of these wheat cvs subjected to photooxidative...
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