Boxwood blight in commercial nursery production

Boxwood blight is a fungal disease caused by Calonectria pseudonaviculata that thrives in cool, humid conditions and spreads through water, tools and infected plant material, leading to leaf spots, stem lesions and rapid defoliation.

El tizón de boxwood al descubierto: De la infección a la detección

El tizón de boxwood es una enfermedad fúngica destructiva que afecta al boxwood en viveros comerciales. Se propaga rápidamente en condiciones húmedas y templadas, y causa manchas en las hojas, lesiones en los tallos y una rápida caída de las hojas.

Luisa Santamaria | Dec 2025 | OSU Extension Catalog

El tizón de boxwood en viveros de producción comercial

To come

Luisa Santamaria | Jan 2026 | OSU Extension Catalog

Beware of boxwood blight!

Useful information for homeowners, Master Gardeners and landscapers about boxwood blight disease: its symptoms, sanitation measures when it is discovered on a property, and preventive measures.

Cassie Bouska, Jay W. Pscheidt | Jun 2024 | OSU Extension Catalog

Jan 2026

Autor

Luisa Santamaria

Nursery Pathology Specialist, Bilingual Educator

Hand holding a diseased plant with person looking on

Want to learn more about this topic? Explore more resources from OSU Extension: Plant diseases

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