Addressing the Gaps in our Knowledge of Grapevine Downy Mildew for Improved Forecasting and Management

Fig. 1. Epinasty and sporulation on a pre-bloom grape cluster infected by Plasmopara viticola.



Image from Plant Health Progress article:
Addressing the Gaps in our Knowledge of Grapevine Downy Mildew for Improved Forecasting and Management