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Plant Physiol. 1998 Nov;118(3):861-5.

Oxalate exudation by taro in response to Al

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1
University of Hawaii-Manoa, Hawaii Branch Station, 461 West Lanikaula Street, Hilo, Hawaii 96720, USA.

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.

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