The challenges of managing Phytophthora root rot in the nursery industry

JE Weiland - Plant Health Progress, 2021 - Am Phytopath Society
For nearly 100 years, Phytophthora root rot (PRR) has been a severe problem in nurseries.
Early surveys found only one or two Phytophthora species on any one host. However, recent …

Phytophthora Species Differ in Response to Phosphorous Acid and Mefenoxam for the Management of Phytophthora Root Rot in Rhododendron

JE Weiland, CF Scagel, NJ Grünwald… - Plant …, 2021 - Am Phytopath Society
Phytophthora root rot, caused by many soilborne Phytophthora spp., is a significant disease
affecting the $42 million rhododendron nursery industry. Rhododendron growers have …