Effect of copper deficiency on phenolic and other constituents of wheat triticum aestivum cultivar sappo cell walls

Robson, A.D.; Hartley, R.D.; Jarvis, S.C.

New Phytologist 89(3): 361-372


ISSN/ISBN: 0028-646X
Accession: 005229358

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Before decreasing yield significantly, Cu deficiency affected the amounts of phenolic compounds released (by treatment with sodium hydroxide) from the cell walls separated from young leaves of wheat. Effects of changes in Cu supply on the amounts of phenolic compounds released followed closely its effect on Cu concentration in the plant parts. More ferulic and less p-courmaric acid was released from the walls of young leaves of Cu-deficient plants than from those of Cu-adequate ones; these differences were less marked in older than in younger leaves. Cu deficiency decreased the lignin, hemicellulose and acetyl contents of cell walls only in severely deficient plants.