The Solve Pest and Weed Problems resource from Oregon State provides science-based solutions for pests, weeds, and disease problems in one place.

Research has shown that application of biological control products can reduce powdery mildew on greenhouse cucumbers.

These two plant staples for spring sales share basic cultural requirements, but are unfortunately also plagued by similar diseases.

If current efforts are successful, researchers will begin testing new, high-yielding varieties in commercial greenhouses in two years, using newly identified resistance and breeding tools.

BASF received California registration for Avelyo fungicide, a broad-spectrum disease control solution for greenhouse and nursery growers.

Bacterial soft rot occurs sporadically in ornamental production, but when it does, it can be very damaging and cause significant crop loss.

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.