Figure 1. A viburnum trunk infected at the base by Sclerotium rolfsii. Sclerotia and some fungal hyphae are present on the potting medium surface. (Courtesy J. Mullen)
Figure 1. A viburnum trunk infected at the base by Sclerotium rolfsii. Sclerotia and some fungal hyphae are present on the potting medium surface. (Courtesy J. Mullen) |