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Grapevine trunk diseases in California and Oregon


Eutypa, Phaeoacremonium (=Togninia), and Botryosphaeria dieback are the most commonly found problems that we have observed from samples sent to the OSU Plant Clinic. The following represents a list of grapevine trunk fungal diseases found in California and Oregon. Those marked * are found in both States.

Armillaria root rot

Armillaria mellea*

Black Foot Disease

Cylindrocarpon destructans*

C. liriodendri (sex. Neonectria liriodendri)*

C. macrodidyum (Neonectria macrodidyum)

C. obtusisporum*

Cylindrocarpon sp.(Neonectria sp.)*

Botryosphaeria Dieback

Botryosphaeria dothidea*

B. quercuum*

B. stevensii*

B. rhodina

B. obtuse

Diplodia seriata*

Diplodia mutila*

Esca, Young Esca and Petri disease

Togninia (asexual Phaeoacremonium)*

T. minima (asexual P. aleophilum)*

T. fraxinopennsylvanica (asexual P. mortoniae)*

T. viticola (asexual P. viticola)*

T. californica (asexual  P. californica)

T. davisiana (asexual P. davisiana)

T. parasiticum (asexual P. parasiticum)

T. rubrigenum (asexual P. rubrigenum)

T. angustus (asexual P. angustus)

Phaeomoniella chlamydospora*

Eutypa Dieback

Eutypa lata var. lata*

E. leptoplaca

Other trunk diseases

Cadophora luteo-olivacea*

Cryptovalsa ampelina

Diatrypella sp.

Diatrype sp.

Diatrype whitmanensis*

Diaporthe viticola*

Eutypella sp.

Pleurostomophora richardsiae*