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Phomopsis is a genus of ascomycete fungi in the Diaporthaceae family.

Cultures of the destructive mold called Phomopsis.
Scientific classification
Kingdom: Fungi
Phylum: Ascomycota
Class: Sordariomycetes
Subclass: Sordariomycetidae
Order: Diaporthales
Family: Diaporthaceae
Genus: Phomopsis
Sacc. & Roum.



Dead-arm infectionEdit

One of the species of this genus, Phomopsis viticola, cause a plant disease called phomopsis or dead-arm. Usually, infections begin during early growth stages in spring. This affects leaves, fruit, rachises, and shoots of a plant.

This disease causes the formation of lesions on shoots, leaves, and rachises, but also can cause fruit rot.

It causes significant economic damage to grape vines.

Another Phomopsis species, P. juniperovora, infects junipers, and is a particularly important pest of seedlings and juvenile plants in the nursery industry.

See alsoEdit

External linksEdit