Relative Susceptibility of Selected Apple Cultivars to Powdery Mildew Caused by <i>Podosphaera leucotricha</i>

Fig. 2. Rome apple tree with numerous shoots showing primary powdery mildew infections.



Image from Plant Health Progress article:
Relative Susceptibility of Selected Apple Cultivars to Powdery Mildew Caused by Podosphaera leucotricha