Infection from Phytophthora chrysanthemi, first discovered in Ohio, is associated with stunting, purpling, and death of foliage, on one major branch or the whole plant.

Rose rosette disease, caused by the rose rosette virus, is a significant threat to cultivation and production throughout the U.S.

Botrytis in cannabis is reliant on high humidity or liquid water to colonize plant tissue, and spreads most quickly at moderate temperatures.

Tomato brown rugose fruit virus poses a constant threat to growers worldwide, significantly reducing yields, affecting the quality of fruit, and systematically infecting other plants.

Growers can improve their prevention and management of diseases in nurseries and greenhouses by registering for the University of Florida’s Disease Management online course.

Depending on the severity of poinsettia mosaic virus symptom expression, infected poinsettias could be deemed unmarketable.

Management of leaf mold begins with recognizing early symptoms, applying preventative fungicides, and removing all infected plant material from the greenhouse.

Alternanthera mosaic virus infects a broad host range, with hosts from at least 30 taxonomic families including many commonly grown greenhouse and herbaceous ornamentals.

Copper resistance in bacterial leaf spot of tomato and pepper crops is becoming more widespread.

Without proper environmental or chemical controls, powdery mildew can spread quickly throughout the plant canopy.

Chili pepper mild mottle virus can cause mottling, flower break, necrotic spots, and stunting, and it’s been season on calibrachoas this season.

Suppliers offer a multitude of treatments for pests and diseases on garden mums.

The sporulation feature of the powdery mildew life cycle is visually evident on crop surfaces, having a fuzzy mildew appearance.