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A method for estimating the loss in tuber yield caused by late blight of potato

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Abstract

A method was developed for estimating tuber yield losses caused by late blight of potato (Phytophthora infestans) (Mont.) de Bary. The method is based on yield and disease data collected for the varieties Green Mountain and Katahdin grown in eastern Canada during the period 1953–1970. The percentage yield loss can be calculated for any disease progress curve. The estimated loss was within 5% of the actual loss in nine cases out of ten.

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Author information

Authors and Affiliations

  1. Research Branch, Canada Department of Agriculture, Ottawa

    W. C. James (Plant Pathologists)

  2. Research Branch, Canada Department of Agriculture, Charlottetown

    L. C. Callbeck (Plant Pathologists)

  3. Research Branch, Canada Department of Agriculture, Fredericton

    W. A. Hodgson (Plant Pathologists)

  4. Statistical Research Service, Canada Department of Agriculture, Ottawa, Ontario

    C. S. Shih (Statistician)

Authors
  1. W. C. James
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  2. C. S. Shih
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  3. L. C. Callbeck
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  4. W. A. Hodgson
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Additional information

Contribution No. 291. Ottawa Research Station, Canada Department of Agriculture, Ottawa, Ontario, Canada.

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James, W.C., Shih, C.S., Callbeck, L.C. et al. A method for estimating the loss in tuber yield caused by late blight of potato. American Potato Journal 48, 457–463 (1971). https://doi.org/10.1007/BF02862061

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  • DOI: https://doi.org/10.1007/BF02862061

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