Comparison of the internal and external requirements of wheat triticum aestivum cultivar gamenya oats avena sativa cultivar swan and barley hordeum vulgare cultivar clipper for copper

Snowball, K.; Robson, A.D.

Australian Journal of Agricultural Research 35(3): 359-366


ISSN/ISBN: 0004-9409
Accession: 005014716

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Wheat, oats and barley were grown with several levels of Cu application on a Cu-deficient soil. Differences among cereals in growth responses to applied Cu appeared to be due to differences in Cu uptake rather than to differences in internal Cu requirements. Critical concentrations of Cu in the youngest fully emerged leaf were .apprx. 1.3 .mu.g g-1 for all 3 spp.