Sensitivity of <i>Pseudoperonospora humuli</i> (the Causal Agent of Hop Downy Mildew) from Oregon, Idaho, and Washington to Fosetyl-AL (Aliette)

Fig. 2. Secondary downy mildew spike arising from infection of a main hop bine (stem).



Image from Plant Health Progress article:
Sensitivity of Pseudoperonospora humuli (the Causal Agent of Hop Downy Mildew) from Oregon, Idaho, and Washington to Fosetyl-AL (Aliette)