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Common Names of Plant Diseases
Diseases of European Hazelnut (Corylus avellana L.)
Hazelnut (Corylus spp.)
Jay W. Pscheidt and Jeffrey Stone, primary collators (last update 7/21/01)
BACTERIAL DISEASES
- Bacterial blight
- Xanthomonas arboricola
pv. corylina (Miller, Bollen,
Simmons, Gross & Barss 1940) Vauterin, Hoste, Kersters & Swings
1995
- Bacterial canker
- Pseudomonas syringae
pv avellanae Psallidas 1993
- Crown gall
- Agrobacterium tumefaciens
(Smith and Townsend 1907) Conn 1942
FUNGAL DISEASES
- Anthracnose
- Piggotia coryli (Desm.) Sutton
- = Monostichella coryli
(Desm.) Hohn.
- = Gloeosporium coryli
(Desm.) Sacc.
- =
Labrella coryli (Desm.) Sacc.
- Armillaria root disease
- Armillaria
spp.
- Borro sec
- Cryptosporiopsis tarraconensis
Gene, Guarro & Figueras
- Cytospora canker
- Cytospora
spp.
- Eastern filbert blight
- Anisogramma anomala
(Peck) E. Müller
- Kernel molds
- Mycosphaerella punctiformis
(Pers.:Fries)
Starb.
[teleomorph]
- Ramularia
sp. [anamorph]
- Phomopsis
spp.
- Septoria ostryae
Peck
- Kernel spot
- Nemataspora coryli
Peligon
- Leaf blister
- Taphrina coryli
Nishida
- Leaf spots
- Anguillosporella vermiformis
(Davis) Braun
- Asteroma coryli
(Fuckel) Sutton
- Cercospora corylina
Ray
- C. coryli
Montemartini
- Mamianiella coryli
(Batsch ex Fries) Höhn
- Monochaetia coryli
(Rostrup) Allescher
- Mycosphaerella punctiformis
(Pers.:Fries)
Starb.
[teleomorph]
- Ramularia
sp. [anamorph]
- Phyllosticta coryli
Westend
- Ramularia coryi
Chevassut
- Septoria ostryae
Peck
- Sphaceloma coryli
Vegh & Bourgeois
- Nectria canker
- Nectria ditissima
Tul.
- Texas root rot
- Phymatotrichopsis omnivorum
(Duggar) Hennebert
- Powdery mildew
- Microsphaera coryli
Homma
- M. ellisii
U. Braun
- M. hommae
U. Braun
- M. verruculosa
Yu & Lai on various Corylus sp.
- Phyllactinia guttata
(Wallr.:Fr.) Lev.
- = P. suffulta
- Rust
- Pucciniastrum coryli Komarov
VIRAL DISEASES
- Hazelnut mosaic
- genus Ilarvirus, Apple mosaic virus (ApMV)
- genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV)
- genus Ilarvirus, Tulare apple mosaic virus (TAMV)
PHYTOPLASMAL AND SPIROPLASMAL DISEASES
- Filbert Stunt
- unknown, suspect a phytoplasma
- Hazelnut Yellows
- phytoplasma(s)
MISCELLANEOUS DISEASES & DISORDERS
- Blanks
- empty nut shells, cause unknown
- Brown Stain
- brown liquefied portions of shell and kernel, cause unknown
- Catkin Blast
- deformed catkins, cause unknown
- Sun Scald
- high temperature
- Wet Feet
- saturated soil conditions for extended periods.
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