Effect of planting date and inoculum level on incidence and severity of powdery scab on potato

Barbara Jane Christ

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Powdery scab incidence and severity was examined on six potato cultivars planted at two different dates in a naturally infested field. There were two sub-plots; one where seed was exposed prior to planting to spores of Spongospora subterranea from scabby peels, which were then added to the furrow at planting, and another where seed was exposed only to natural inoculum within the field. The later planting data reduced incidence and severity, but there were no differences between sub-plots. All cultivars became infected, but 'Rosa' was the most susceptible and 'Katahdin' the most resistant.

Original languageEnglish (US)
Pages (from-to)419-424
Number of pages6
JournalPotato Research
Volume32
Issue number4
DOIs
StatePublished - Dec 1 1989

All Science Journal Classification (ASJC) codes

  • Food Science
  • Agronomy and Crop Science

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