Infection of Grape Berry and Rachis Tissues by <i>Phomopsis viticola</i>

Fig. 5. Scanning electron micrograph showing germinated alpha conidia of Phomopsis viticola on the distal surface of a ‘Seyval’ grape berry: (A) Appressoria, and (B) hypha penetrating berry cuticle. Bar represents 5 ìm.



Image from Plant Health Progress article:
Infection of Grape Berry and Rachis Tissues by Phomopsis viticola