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Oxalate exudation by taro in response to Al
1University of Hawaii-Manoa, Hawaii Branch Station, 461 West Lanikaula Street, Hilo, Hawaii 96720, USA.
Plant Physiology
|November 10, 1998
Abstract:
Roots of taro (Colocasia esculenta [L.] Schott cvs Bun-long and Lehua maoli) exuded increasing concentrations of oxalate with increasing Al stress. This exudation was a specific response to excess Al and not to P deficiency. Addition of oxalate to Al-containing solutions ameliorated the toxic effect of Al.