Abstract
Viable propagules ofVerticillium albo-atrum andV. dahliae were recovered from potato stems before and after burial in the field during 1968–1971. Of 14 cultivars tested: Red Pontiac and Superior ranked highest in numbers of propagules ofV. albo-atrum. Russet Burbank, Kennebec, and Irish Cobbler ranked highest withV. dahliae, respectively.
Survival ofV. albo-atrum in infected stems was evident (5 − 34 × 103 ppg) even after burial in field soil for 17 months. In general, survival ofV. albo-atrum (47–69%) was higher thanV. dahliae (23 – 61%) following field burial of infected stems for 7 months.
Resumen
Propágulos viables deVerticillium albo-atrum yV. dahliae fueron obtenidos de tallos de papa antes y después de ser enterrados en el campo durante 1968–1971. De 14 cultivares probados: Red Pontiac y Superior tuvieron los números más altos de propágulos deV. albo-atrum. Russet Burbank, Kennebec y Irish Cobbler tuvieron los números más altos conV. dahliae.
La supervivencia deV. albo-atrum en tallos infectados fue evidente (5 −34 × 103 ppg) aún después de ser enterrados en el suelo por 17 meses. En general, la supervivencia deV. albo-atrum (47 – 69%) fue más alta queV. dahliae (23 – 61%) después de que los tallos infectados fueron enterrados en el suelo por 7 meses.
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Project financed in part by Minnesota Potato Certification Agency.
Foemerly Research Assistant, University of Minnesota, St. Paul, MN 55108
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Slattery, R.J. Inoculum potential of verticillium—infested potato cultivars. American Potato Journal 58, 135–142 (1981). https://doi.org/10.1007/BF02854412
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DOI: https://doi.org/10.1007/BF02854412