Please contact Mike Benson mike_benson@ncsu.edu to comment on proposed changes by January 15, 2012.
D. M. Benson, primary collator (last update 10/28/2011)
Leaf spot and stem gall
Cephaleuros virescens Kunze
Crown gall
Agrobacterium tumefaciens (Smith & Townsend) Conn
Armillaria root rot (shoestring root rot)
Armillaria mellea (Vahl:Fr.) P. Kumm.
(anamorph: Rhizomorpha subcorticalis Pers.)
Botryosphaeria dieback
Botryosphaeria dothidea (Moug.: Fr.) Ces. & DeNot.
(anamorph: Fusicoccum aesculi Corda)
Botrytis leaf and petal blight
Botrytis cinerea Pers.: Fr.
(teleomorph: Botryotinia fuckeliana (de Bary) Whetzel)
Bud and twig blight
Pycnostysanus azaleae (Peck) E. Mason
(syn. Briosia azaleae (Peck) Dearn.)
Cercospora leaf spot
Cercospora handelii Bubak
(syn. Pseudocercospora handelii (Bubak) Deighton)
Chrysomyxa leaf rust
Chrysomyxa nagodhii P.E. Crane
C. piperiana Sacc. & Trott. ex Cummins
C. reticulata P.E. Crane
C. roanensis (Arth.) Arth.
Clitocybe root rot (mushroom root rot)
Armillaria tabescens (Scop.) Dennis et al
(syn. Clitocybe tabescens (Scop.) Bres.)
Coryneum leaf spot
Seimatosporium rhododendri (Schwein.) Pirozynski & Shoemaker
(syn. Coryneum rhododendri Schwein.)
Cryptostictis leaf spot
Seimatosporium mariae (G.W. Clinton) Shoemaker
(syn. Cryptostistis mariae (G.W. Clinton ex Peck) Sacc.)
Cylindrocarpon canker and wilt
Cylindrocarpon destructans (Zinssmeister) Scholten
(syn. Cylindrocarpon radicicola Wollenweb.)
Damping-off, Pythium
Pythium spp.
Damping-off, Rhizoctonia
Rhizoctonia solani Kühn
(teleomorph: Thanatephorus cucumeris (A.B. Frank) Donk)
Exobasidium leaf spot
Exobasidium burtii Zeller
Glomerella canker and dieback
Glomerella cingulata (Stoneman) Spauld. & H. Schrenk
(anamorph: Colletotrichum gloeosporioides (Penz.) Penz. & Sacc. in Penz.)
Gray blight
Pestalotiopsis sydowiana (Bres.) B. Sutton
(syn. Pestalotia sydowiana Bres.)
Leaf and flower gall
Exobasidium vaccinii (Fuckel) Woronin
(syn. Exobasidium azaleae Peck)
Lophodermium leaf spot
Lophodermium schweinitzii M. Wilson & N.F. Robertson
Ovulinia petal blight
Ovulinia azaleae Weiss
(anamorph: Ovulitis azaleae Buchwald)
Pestalosphaeria leaf spot
Pestalosphaeria concentrica Barr
(anamorph: Pestalotiopsis guepini (Desmaz.) Steyaert var. macrotricha (Kleb.) Sutton)
Pestalotia leaf spot
Pestalotia rhododendri (D. Sacc.) Guba
Phyllosticta leaf spot
Phyllosticta cunninghamii Allesch.
Phymatotrichopsis root rot (cotton root rot)
Phymatotrichopsis omnivora (Duggar) Hennebert
(syn. Phymatotrichum omnivorum Duggar)
Phytophthora dieback
Phytophthora cactorum (Lebert & Cohn) Schröt.
P. cambivora (Petri) Buisman
P. cinnamomi Rands
P. citricola Sawada
P. citrophthora (R.E. Sm. & E.H. Sm.) Leonian
P. gonapodyides (H.E. Petersen) Buisman
P. hedraiandra de Cock & Man in’t Veld
P. heveae A. Thompson
P. hibernalis Carne
P. hydropathica Hong & Gallegly
P. inflata Caros. & Tucker
P. insolita Ann & W.H. Ko
P. kernoviae Brasier, Beales & S.A. Kirk
P. nicotianae Breda de Haan
(syn. P. parasitica Dastur)
P. pini (Leonian), Gallegly, Hong, Richardson & Kong
P. plurivora Jung & Burgess
P. ramorum Werres, De Cock & Man in 't Veld
P. sryingae (Kleb.) Kleb.
P. tropicalis Aragaki & J.Y. Uchida
Phytophthora root rot
Phytophthora cactorum (Lebert & Cohn) J. Schröt.
P. cryptogea Pethyb. & Laff.
Powdery mildew
Erysiphe azaleae (U. Braun) U. Braun & S. Takam.
E. digitata (A.J. Inman & U. Braun) A.J. Inman & U. Braun
E. izuensis (Y. Nomura) U. Braun & S. Takam.
E. rhododendri Kapoor
E. vaccinii Schwein.
Oidium ericinum Erikss.
Phyllactinia guttata (Wallr.) Lév.
P . rhododendri H.D. Shin & Y.J. La.
Septoria leaf spot
Septoria rhododendri Cooke
Spot anthracnose
Sphaceloma sp.
Stem canker
Cylindrocladium theae (Petch) Subramanian
(teleomorph: Calonectria theae C.A. Loos)
Thekopsora leaf rust
Thekopsora minima P. et H. Syd.
(syn. Pucciniastrum vaccinii (G. Wint.) Jørst.)
Witches' broom
Exobasidium vaccinii-uliginosi Boud. in Boud. & E. Fisch.
Foliar
Aphelenchoides fragariae (Ritzema Bos) Christie
Stunt
Tylenchorhynchus claytoni Steiner
Root-knot
Meloidogyne spp.
Dodder
Cuscuta gronovii Willd.
Necrotic ringspot
Potexvirus sp. (Potato virus X group)