<i>Phytophthora hibernalis</i>: A New Pathogen on <i>Rhododendron</i> and Evidence of Cross Amplification with Two PCR Detection Assays for <i>Phytophthora ramorum</i>

Fig. 1. Rhododendron ‘Rocket’ infected with Phytophthora hibernalis from a Del Norte County, California nursery.



Image from Plant Health Progress article:
Phytophthora hibernalis: A New Pathogen on Rhododendron and Evidence of Cross Amplification with Two PCR Detection Assays for Phytophthora ramorum