Tag: downy mildew

Pseudomonas cichorii Introduction Bacterial leaf blight caused by Pseudomonas cichorii is a significant disease affecting many crops and ornamental plants. Here’s an overview of this pathogen and its impact.  P. cichorii has a broad host range and has been reported in numerous countries: Ornamental Plants: Chrysanthemum, Gerbera, Monstera adansonii, Calceolaria hybrida (pocketbook plant), aglaonema (Aglaonema […]

Bremia lactucae Introduction Bremia lactucae causes lettuce downy mildew for both indoor and outdoor lettuce. It is a significant pathogen in cooler environments like late-fall seasons and heated winter greenhouses. This plant pathogen is an oomycete, and symptoms of the disease are similar to late blight. However, the disease may appear as white fungal growth […]