RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Skip to content. | Skip to navigation

Home → Publications → Seed and Seedling Diseases in the Western US → Fungal Colonization of Styroblock Containers Plum Creek Nursery, Pablo, Montana

Fungal Colonization of Styroblock Containers Plum Creek Nursery, Pablo, Montana

An evaluation of the efficacy of steam treatment on reducing levels of Fusarium, Cylindrocarpon, and Trichoderma within styroblock containers was conducted at the Plum Creek Nursery in Pablo, Montana. Although levels of both Fusarium and Cylindrocarpon were significantly reduced by cleaning, relatively high populations of both these fungi persisted after cleaning. Fusarium propagules were mostly concentrated at the bottom of styroblock cells as were those of Cylindrocarpon. Levels of Cylindrocarpon were much higher than either Fusarium or Trichoderma. Trichoderma levels were not significantly affected by the cleaning treatment. Seedling height was not correlated with extent of styroblock cell colonization by either Fusarium or Cylindrocarpon. Abundance of pathogenic strains of Fusarium or Cylindrocarpon within the styroblock containers is unknown.


Download this file:

PDF document Download this file — PDF document, 1595Kb

Details

Author(s): USDA Forest Service