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American Potato Journal

, Volume 50, Issue 7, pp 248–253 | Cite as

A Study of the relationship of late blight resistance to glycoalkaloid content in fifteen potato clones

  • K. L. Deahl
  • R. J. Young
  • S. L. Sinden
Article

Abstract

Tuber glycoalkaloid (TGA) content, leaf glycoalkaloid (LGA) content, and the level of multigenic resistance to late blight were determined for 15 potato clones. There was no association between the level of blight resistance and the TGA or LGA contents in these clones. However, TGA and LGA contents were highly correlated. The genotypic correlation coefficient between TGA and LGA contents for the 15 clones was 0.82 (SE = 0.115). TGA contents from blight-infected plants were not significantly higher than TGA contents from healthy (fungicide-protected) plants. The results indicate that breeders should be able to select for multigenic late blight resistance withohut increasing TGA contents of clones in their breeding programs.

Keywords

Late Blight AMERICAN Potato Journal Blight Resistance Colorado Potato Beetle Irish Cobbler 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer 1973

Authors and Affiliations

  • K. L. Deahl
    • 1
  • R. J. Young
    • 2
  • S. L. Sinden
    • 1
  1. 1.Agricultural Research Service, Northeastern Region, Agricultural Research Center, Plant Genetics and Germplasm Institute, Vegetable LaboratoryU.S. Department of AgricultureBeltsville
  2. 2.Division of Plant ScienceWest Virginia UniversityMorgantown

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