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Losses due to the potato spindle tuber virus

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Abstract

A survey of 80 table-stock yields in New Brunswick revealed an incidence of 3.8% of potato spindle tuber virus among the three major varieties Kennebec (3.3%), Katahdin (2.5%), and Netted Gem (Russet Burbank (4.6%)). Concurrentily, in a field trial, three isolates of the mild strain of the virus (MPSTV) reduced yield in the variety Saco by 17%, 24%, and 24%, respectively, and the severe strain (SPSTV) reduced yield by 64%. An earlier preliminary survey had shown that in Eastern Canada, MPSTV prevailed over SPSTV on a ratio of 11∶1, thus a hypothetical loss of 1% could be calculated, conservative compared with Le Clerg et al. (1944) (2.6% loss by 4% incidence of PSTV), perhaps because of a lower incidence of SPSTV.

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Authors and Affiliations

  1. Research Station, Canada Department of Agriculture, Fredericton, New Brunswick, Canada

    R. H. Bagnall

Authors
  1. R. P. Singh
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  2. R. E. Finnie
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  3. R. H. Bagnall
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Singh, R.P., Finnie, R.E. & Bagnall, R.H. Losses due to the potato spindle tuber virus. American Potato Journal 48, 262–267 (1971). https://doi.org/10.1007/BF02861592

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  • DOI: https://doi.org/10.1007/BF02861592

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