Abstract:Citric and malic acid excretion in the medium and malic acid accumulation in seedling roots and embryo-derived calli as possible mechanisms of aluminum (Al) resistance and the effects of a 17-h Al stress period on root growth in Oryza sativa have been studied. Four-day-old seedlings and embryo-derived calli of Al-resistant (IRAT 112 and IR6023) and Al-sensitive (Aiwu and IKP) cultivars were treated with 250 and 500 µM {Al 2 (S0 4 ) 3 .18H 2 0 }of total aluminum or without Al for 36 hours. After 3 to 36 hours o… Show more
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