en.wikipedia.org › Phyllactinia_angulata

Phyllactinia angulata

Phyllactinia angulata is a plant pathogen infecting chestnut, beech, oak and elm trees in North America with powdery mildew. Collections on elm were segregated into a new variety, Phyllactinia angulata var. ulmi.

Updated: December 11, 2025

en.wikipedia.org › Phyllactinia

Phyllactinia

Phyllactinia is a genus of plant pathogenic fungi in the family Erysiphaceae (powdery mildews).

Updated: December 11, 2025

en.wikipedia.org › Powdery_mildew_(oaks)

Powdery mildew (oaks)

Oaks (plants in the genus Quercus) have likely been hosts of powdery mildews since the pathogens first evolved in the Late Cretaceous. As a result, there is a very high diversity of powdery mildews on these hosts, with human trade in the host plant...

Updated: December 11, 2025

en.wikipedia.org › List_of_pistachio_diseases

List of pistachio diseases

This article is a list of diseases of pistachios (Pistacia vera).

Updated: June 7, 2025