Letter | Published:

Manganese and Magnesium in the Grey Speck Syndrome of Oats

Naturevolume 191pages299300 (1961) | Download Citation

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Abstract

IT is generally recognized that the grey speck syndrome in oats is caused basically by manganese deficiency1. Opinions differ, however, on whether grey speck symptoms are due directly to manganese deficiency1–3, or whether manganese deficiency functions indirectly by rendering the roots of the plant more susceptible to infection by rhizosphere organisms the toxic products of which give rise to the visual symptoms4.

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References

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    Samuel, G., and Piper, C. S., Ann. App. Biol., 16, 493 (1929).

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Affiliations

  1. Welsh Plant Breeding Station, Plas Gogerddan, Nr. Aberystwyth

    • P. B. VOSE
    •  & D. J. GRIFFITHS

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https://doi.org/10.1038/191299b0

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