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Leaf symptom (a), dry weight (b) and total Fe concentration (c) in various parts of kiwifruit plants treated with direct iron deficiency (-Fe), bicarbonate-induced iron deficiency (+Bic) or both (-Fe+Bic) in solution culture for 28 days. Values are means of three replicates ± standard error (SE). Different letters indicate significant differences among the treatments for the same plant part at p < 0.05. DW, dry weight; NS, not significant.
