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Effect of Various Metal Ions on Growth of Two Wheat Lines Known to Differ in Aluminium Tolerance by D. M. Wheeler; I. L. Power; D. C. Edmeades is a Agricultural and Biological Sciences article available to read on EtoBox.

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The effects of aluminium (A1), manganese (Mn), zinc (Zn), copper (Cu), boron (B), iron (Fe), gallium (Ga), scandium (Sc) and lanthanum (La) on growth of an Al-tolerant and an Al-sensitive line of wheat (Triticum aestivum L.) were measured in solution culture. The concentrations of nutrients in the basal nutrient solution were (/.tM) 500 Ca, 100 Mg, 300 K, 600 N (150 NH4, 450 NO3), 600 504, 2.5 P, 3 B, 2.5 Fe, 0.5 Zn, 0.5 Mn, 0.1 Cu at a pH of 4.7. The major solution nutrient concentrations were maintained at the nominal concentration with monitoring, frequent additions and weekly renewal. Differentiation in yield between the Al-tolerant and Al-sensitive line only occurred in the presence of AI indicating that, in the long term, none of the other metals tested could be used as an analog for A1. The visual symptoms in the roots of Cu toxicity (in both lines) and A1 toxicity (in the sensitive line) were similar. The solution concentration (gM) at which yield of the roots of the tolerant line was reduced by 50% was, in order of increasing tolerance, Cu 0.5,

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Author

D. M. Wheeler; I. L. Power; D. C. Edmeades

Publisher

Springer; Springer-Verlag; Kluwer Academic Publishers; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0032-079X)

Published

1993

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)