QoI Resistance of <i>Plasmopara viticola</i> and <i>Erysiphe necator</i> in the Mid-Atlantic United States

Fig. 1. Geographic origins of downy and powdery mildew isolates: Letters correspond to designations of 2005 isolates, red squares = downy mildew collections, blue circles = powdery mildew collections, solid symbols = isolate resistance to QoI fungicides, and open symbols = QoI sensitivity.



Image from Plant Health Progress article:
QoI Resistance of Plasmopara viticola and Erysiphe necator in the Mid-Atlantic United States