Screening Selected Gulf Coast and Southeastern Forest Species for Susceptibility to <i>Phytophthora ramorum</i>

Fig. 1. Leaf necrosis symptoms of sweetbay magnolia (A) and yaupon (B) after artificial inoculation with Phytophthora ramorum zoospores.



Image from Plant Health Progress article:
Screening Selected Gulf Coast and Southeastern Forest Species for Susceptibility to Phytophthora ramorum