Phytophthora ramorum, causal agent of sudden oak death, is an emerging plant pathogen
first observed in North America associated with mortality of tanoak (Lithocarpus densiflorus) …

Plant pathogens in irrigation water were recognized early in the last century as a significant
crop health issue. This issue has increased greatly in scope and degree of impact since that …

Abstract The Big Sur ecoregion in coastal California is a botanically and ecologically diverse
area that has recently experienced substantial mortality of oak (Quercus spp.) and tanoak …

Stream monitoring using leaf baits for early detection of Phytophthora ramorum has been an
important part of the Oregon Sudden Oak Death (SOD) program since 2002. Sixty-four …

Co-existence of four Phytophthora species in a small river in Bulgaria was established—P.
plurivora, P. gonapodyides, P. chlamydospora and P. gallica. The species identification was …

In this paper, we demonstrate that 140 mg/kg of essential oil from the wood of yellow‐cedar,
incense cedar, Port‐Orford‐cedar or western juniper strongly inhibits zoospore germination …

Understanding the diverse ways that landscape connectivity influences the distribution of
microbial species is central to managing the spread and persistence of numerous biological …

This pest risk analysis was conducted by the United States Department of Agriculture,
Animal and Plant Health Inspection Service, Plant Protection and Quarantine, Center for …

Sudden oak death (SOD), an emerging disease caused by the non-native pathogen
Phytophthora ramorum, is currently impacting Point Reyes National Seashore (PRNS) and …

Abstract The Panel on Plant Health was asked to deliver a scientific opinion on the Pest Risk
Analysis on Phytophthora ramorum prepared by the FP6 project RAPRA, taking into account …