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Screening potatoes for field resistance to early blight

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Abstract

A satisfactory method has been developed for screening potato clones for field resistance to early ligbht. Differences in clonal resistance can be evaluated and have proven to be consistent. Resistance to foliar infection appears to be generally associated with plant maturity. Late maturing selections are generally quite resistant and early maturing selections are usually extremely susceptible. Differences in resistance among named varieties from throughout the world were extremely variable.

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Authors and Affiliations

  1. Potato Investigations, Plant Science Research Division, Agricultural Research Service, U. S. Department of Agriculture, Branch Experiment Station, Aberdeen, Idaho

    D. R. Douglas (Research Plant Pathologist) & J. J. Pavek (Research Geneticist)

Authors
  1. D. R. Douglas
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  2. J. J. Pavek
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Additional information

Cooperative investigations of the Plant Science Research Division, Agricultural Research Service, U. S. Department of Agriculture, and the University of Idaho, Branch Experiment Station, Aberdeen, Idaho.

Mention of a trademark name or a priority product does not imply its approval by the U. S. Department of Agriculture to the exclusion of other products that may also be available.

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Douglas, D.R., Pavek, J.J. Screening potatoes for field resistance to early blight. American Potato Journal 49, 1–6 (1972). https://doi.org/10.1007/BF02862935

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  • DOI: https://doi.org/10.1007/BF02862935

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