Evaluation of root rot symptoms for her genetic study uses chestnuts grown and tested in containers developed by Steve Jeffers, professor of plant pathology at Clemson, and Joe James, who operates Chestnut Return Farm in Oconee County. (newsstand.clemson.edu)
The wood decay fungus Heterobasidion parviporum causes root rot in spruce and is a serious pathogen. (sciencedaily.com)
The trees, praised for their shape, scent and needle retention, face a threat from Phytophthora root rot, a fungal disease introduced to the U.S. from Southeast Asia in the 1700s. (scientificamerican.com)