Puccinia horiana Introduction: A fungal threat to floricultural crops This week, Healthy Hydroponics is shifting focus to cover a fungal pathogen, Puccinia horiana, commonly known as chrysanthemum white rust, that is known to affect chrysanthemum plants and daisies [1]. Belonging to the order Pucciniales, this pathogen poses a significant threat to the global chrysanthemum industry […]