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D. A. R 2 = -0.06. R 2 = 0.002. Al Tolerance (RRG). µg Al / g root tip. Citrate Exudation (pmole plant -1 day -1 ). Citrate Exudation (pmole plant -1 day -1 ). E. B. R 2 = 0.0. R 2 = 0.03. µg Al / g root tip. Al Tolerance (RRG). F. C. Malate Exudation (pmole plant -1 day -1 ).
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D A R2= -0.06 R2= 0.002 Al Tolerance (RRG) µg Al / g root tip Citrate Exudation (pmole plant-1 day-1) Citrate Exudation (pmole plant-1 day-1) E B R2= 0.0 R2= 0.03 µg Al / g root tip Al Tolerance (RRG) F C Malate Exudation (pmole plant-1 day-1) Malate Exudation (pmole plant-1 day-1) R2= 0.04 R2= 0.00 Al Tolerance (RRG) µg Al / g root tip Phosphate Exudation (pmole plant-1 day-1) Supplemental Figure S2. Correlation of root exudation of: A, D) citrate, B, E) malate, C, F) phosphate with Al tolerance (RRG) in the left column and root tip Al content for 23 genetically diverse rice genotypes (Indica varieties=x, Japonica varieties=Δ). There was no significant correlation for any comparison. Phosphate Exudation (pmole plant-1 day-1)