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Comparison of inoculation methods on ring rot development in potatoes

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Abstract

Symptoms of bacterial ring rot (Corynebacterium sepedonicum) developed earlier and were more severe in root-inoculated potato plants grown from stem cuttings treated with indole-3-butyric acid (IBA) than in those grown from stem cuttings not so treated or from tuber seed pieces. Disease expression was more rapid and severe in root-inoculated plants than in plants from inoculated seed pieces. The use of IBA-treated stem cuttings provided uniform plant material for ring-rot studies.

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Authors
  1. G. A. Nelson
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  2. W. E. Torfason
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  3. F. R. Harper
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Additional information

Contribution from the Research Station, Research Branch, Canada Department of Agriculture, Lethbridge, Alberta.

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Nelson, G.A., Torfason, W.E. & Harper, F.R. Comparison of inoculation methods on ring rot development in potatoes. American Potato Journal 48, 225–229 (1971). https://doi.org/10.1007/BF02861587

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  • DOI: https://doi.org/10.1007/BF02861587

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