Previous studies have demonstrated the efficacy of calcium (Ca) spray applications derived from Ca chloride for reducing botrytis (Botrytis cinerea) infection severity on petunia (Petunia ×hybrida) ...

This updated guide to Easter lily production provides disease management tips, as well as a complete production timeline.

Cut back peonies in fall to prevent botrytis blight, removing infected foliage and ensuring vigorous, reliable spring blooms.

Roses do not have thorns; they have prickles. But there ARE “thorns” in the rose garden. Their names are botrytis, black spot, rust, downy mildew, anthracnose and cerospora leaf spot. They are all ...

Q: My Nikko Blue hydrangeas have blooms that are partially to fully brown from some sort of disease. The leaves are fine; only the blooms are affected, and soil pH is perfect. I have reached out to ...

Greenhouse Grower’s 2025 State of the Industry survey revealed some interesting strategies for battling insects, diseases, ...

Given that the current weather forecast has cooler-than-normal temperatures and that most gardeners have planted flowers in the landscape, we may see botrytis cropping up in the next few days.

The Journal of Plant Pathology (JPP) is the international journal of the Italian Phytopathological Society (S.I.Pa.V), covering fundamental and applied aspects of plant pathology. It is the ...

The Journal of Plant Pathology (JPP) is the international journal of the Italian Phytopathological Society (S.I.Pa.V), covering fundamental and applied aspects of plant pathology. It is the ...

We’ve certainly had our share of rain this spring, and as a result, I’ve been hearing from gardeners about various fungal issues appearing in their landscapes. Fungal diseases tend to be exacerbated ...

Plant diseases occur in most gardens. Many happen on a yearly basis, others sporadically. Why disease occurs often is dependent on weather. In fact, there are three conditions that must exist for a ...