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
Black Foot Disease
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Cylindrocarpon destructans*
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C. liriodendri (sex. Neonectria liriodendri)*
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C. macrodidyum (Neonectria macrodidyum)
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C. obtusisporum*
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Cylindrocarpon sp.(Neonectria sp.)*
Botryosphaeria Dieback
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Botryosphaeria dothidea*
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B. quercuum*
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B. stevensii*
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B. rhodina
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B. obtuse
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Diplodia seriata*
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Diplodia mutila*
Esca, Young Esca and Petri disease
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Togninia (asexual Phaeoacremonium)*
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T. minima (asexual P. aleophilum)*
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T. fraxinopennsylvanica (asexual P. mortoniae)*
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T. viticola (asexual P. viticola)*
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T. californica (asexual P. californica)
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T. davisiana (asexual P. davisiana)
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T. parasiticum (asexual P. parasiticum)
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T. rubrigenum (asexual P. rubrigenum)
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T. angustus (asexual P. angustus)
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Phaeomoniella chlamydospora*
Eutypa Dieback
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Eutypa lata var. lata*
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E. leptoplaca
Other trunk diseases
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Cadophora luteo-olivacea*
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Cryptovalsa ampelina
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Diatrypella sp.
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Diatrype sp.
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Diatrype whitmanensis*
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Diaporthe viticola*
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Eutypella sp.
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Pleurostomophora richardsiae*
More resources
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Grapevine Trunk Diseases: What do We Know of Them in Oregon? Part one | Part Two