Diseases of Grape (Vitis spp.)

Roger C. Pearson, primary collator (last update 3/10/93)

BACTERIAL DISEASES

Bacterial blight (bacterial necrosis)

Xylophilus ampelinus (Panagopoulos) Willems et al.

= Xanthomonas ampelina Panagopoulos

Crown gall

Agrobacterium tumefaciens (Smith & Townsend) Conn

Pierce's disease

Xylella fastidiosa Wells et al.

FUNGAL DISEASES

Alternaria rot

Alternaria alternata (Fr.:Fr.) Keissl.

Angular leaf scorch

Pseudopezicula tetraspora Korf, R.C. Pearson, & Zhuang

(anamorph: Phialophora-type)

Angular leaf spot

Mycosphaerella angulata W.A. Jenkins

(anamorph: Cercospora brachypus Ellis & Everh.)

Anthracnose and bird's-eye rot

Elsinoe ampelina Shear

(anamorph: Sphaceloma ampelinum de Bary)

Armillaria root rot (shoestring root rot)

Armillaria mellea (Vahl:Fr.) P. Kumm.

(anamorph: Rhizomorpha subcorticalis Pers.)

Aspergillus rot

Aspergillus niger Tiegh.

Berry rots and raisin molds

Ascochyta sp.

Aspergillus aculeatus Iizuka

Aspergillus spp.

Cladosporium spp.

Fusarium spp.

Helminthosporium spp.

Monilia sp.

Stemphylium botryosum Wallr.

(teleomorph: Pleospora tarda E. Simmons)

Torula sp.

Bitter rot

Greeneria uvicola (Berk. & M.A. Curtis) Punithalingam

= Melanconium fuligineum Lams.-Scrib. & Viala

Black dead arm*

Botryosphaeria stevensii Shoemaker

(anamorph: Diplodia mutila (Fr.:Fr.) Mont.

Black rot

Guignardia bidwellii (Ellis) Viala & Ravaz

(anamorph: Phyllosticta ampelicida (Engelm.) van der Aa)

G. bidwellii (Ellis) Viala & Ravaz f. muscadinii Luttrell

Blue mold

Penicillium spp.

Botrytis bunch rot and blight (Gray mold)

Botrytis cinerea Pers.:Fr.

(teleomorph: Botryotinia fuckeliana (de Bary) Whetzel)

Brulure

Anthostomella pullulans (de Bary) F.T. Bennett

Cercospora leaf spot (cercosporiose)

Phaeoramularia dissiliens (Duby) Deighton

= Cercospora sp.

Cladosporium leaf spot

Cladosporium viticola Cesati

Cladosporium rot

Cladosporium herbarum (Pers.:Fr.) Link

(teleomorph: Mycosphaerella tassiana (De Not.) Johans.)

Dematophora root rot (Rosellinia root rot)

Rosellinia necatrix Prill.

(anamorph: Dematophora necatrix R. Hartig)

Diplodia cane dieback and bunch rot (Cane-tip blight)

Lasiodiplodia theobromae (Pat.) Griffon & Maubl.

= Diplodia natalensis Pole-Evans

Downy mildew

Plasmopara viticola (Berk. & M.A. Curtis) Berl & De Toni in Sacc.

Eutypa dieback

Eutypa lata (Pers.:Fr.) Tul. & C. Tul.

= E. armeniacae Hansf. & M.V. Carter

(anamorph: Libertella blepharis A.L. Smith

= Cytosporina sp.)

Grape root rot (Roesleria root rot)

Roesleria subterranea (Weinmann) Redhead

= R. hypogaea Thuem. & Pass.

Leaf blight (Isariopsis leaf spot)

Mycosphaerella personata Higgins

(anamorph: Pseudocercospora vitis (Lév.) Speg.

= Isariopsis clavispora (Berk. & Cooke) Sacc.)

Leaf blotch

Briosia ampelophaga Cavara

Leaf spot, miscellaneous

Asperisporium minutulum (Sacc.) Deighton

Phaeoramularia heterospora (Ellis & B.T. Galloway)
    Deighton

Macrophoma rot (Botryosphaeria rot and necrosis)

Botryosphaeria dothidea (Moug.:Fr.) Ces. & De Not. (anamorph: Fusicoccum aesculi Corda

• = Macrophoma sp.)

Phomopsis cane and leaf spot (Excoriose)

Phomopsis viticola (Sacc.) Sacc.

Phymatotrichum root rot (cotton root rot)

Phymatotrichopsis omnivora (Duggar) Hennebert

= Phymatotrichum omnivorum Duggar

Phytophthora crown and root rot

Phytophthora spp.

P. cinnamomi Rands

P. megasperma Drechs.

Powdery mildew

Uncinulanecator (Schwein.) Burrill

(anamorph: Oidium tuckeri Berk.)

Rhizopus rot

Rhizopus arrhizus A. Fischer

R. stolonifer (Ehrenb.:Fr.) Vuill.

Ripe rot

Glomerella cingulata (Stoneman) Spauld. & H. Schrenk

(anamorph: Colletotrichum gloeosporioides (Penz.) Penz. &
    Sacc. in Penz.)

Rotbrenner*

Pseudopezicula tracheiphila (Müll.-Thurg.) Korf & Zhuang

= Pseudopeziza tracheiphila Müll.-Thurg.

(anamorph: Phialophora tracheiphila (Sacc. & Sacc.) Korf)

Rust

Physopella ampelopsidis (Dietel & P. Syd.) Cummins & Ramachar

Septoria leaf spot (mélanose)

Septoria ampelina Berk. & M.A. Curtis

Tar spot

Rhytisma vitis Schwein.

Verticillium wilt

Verticillium dahliae Kleb.

White rot

Coniella diplodiella (Speg.) Petr. & Syd.

Wood rot (decay)

Cephalosporium spp.

Phellinus igniarius (L.:Fr.) Quél.

Stereum hirsutum (Willd.:Fr.) S.F. Gray

Zonate leaf spot (target spot)

Cristulariella moricola (Hino) Redhead

= C. pyramidalis A.M. Waterman & R.P. Marshall

(teleomorph: Grovesinia pyramidalis M. Cline et al.)

MISCELLANEOUS DISEASES OR DISORDERS

Berry rot

Yeasts

Black measles

Presumably toxins from wood-rotting fungi; see Wood rot (decay)

Chlorosis

Iron deficiency

Esca (Apoplexy)

Presumably toxins from wood-rotting fungi; see Wood rot (decay)

Fasciation

Genetic disorder

Little leaf

Zinc deficiency

Oxidant stipple

Ozone

Rupestris speckle

Physiological disorder

Stem necrosis (water berry, grape peduncle necrosis)

Physiological disorder

NEMATODES, PARASITIC

Citrus

Tylenchulus semipenetrans Cobb

Dagger, American

Xiphinema americanum Cobb

Dagger

Xiphinema spp.

X. index Thorne & Allen

Lesion

Pratylenchus spp.

P. vulnus Allen & Jensen

Needle

Longidorus spp.

Pin

Paratylenchus hamatus Thorne & Allen

Reniform

Rotylenchulus spp.

Ring

Criconemella xenoplax (Raski) Luc & Raski

Root-knot

Meloidogyne arenaria (Neal) Chitwood

M. hapla Chitwood

M. incognita (Kofoid & White) Chitwood

M. javanica (Treub) Chitwood

Spiral

Helicotylenchus spp.

Stubby-root

Paratrichodorus christiei (Allen) Siddiqi

Stunt

Tylenchorhynchus spp.

VIRUS AND VIRUSLIKE DISEASES

Alfalfa mosaic

Alfalfa mosaic virus

Arabis mosaic*

Arabis mosaic virus

Artichoke Italian latent*

Artichoke Italian latent virus

Asteroid mosaic

Undetermined, viruslike

Bois noir (black wood disease)*

MLO

Bratislava mosaic*

Bratislava mosaic virus

Broad bean wilt*

Broad bean wilt virus

Corky bark

Undetermined, viruslike

Enation

Undetermined, viruslike

Fanleaf degeneration (infectious degeneration and decline)

Grapevine fanleaf virus

Flavescence dorée*

MLO

Fleck (Marbrure)

Undetermined, viruslike

Grapevine Bulgarian latent

Grapevine Bulgarian latent virus

Grapevine chrome mosaic*

Grapevine chrome mosaic virus

Grapevine yellows

MLO

Leafroll

Closterovirus-associated

Peach rosette mosaic virus decline

Peach rosette mosaic virus

Petunia asteroid mosaic*

Petunia asteroid mosaic virus

Raspberry ringspot*

Raspberry ringspot virus

Rupestris stem pitting

Undetermined, viruslike

Shoot necrosis*

Undetermined, viruslike

Sowbane mosaic*

Sowbane mosaic virus

Strawberry latent ringspot*

Strawberry latent ringspot virus

Tobacco mosaic

Tobacco mosaic virus

Tobacco necrosis*

Tobacco necrosis virus

Tobacco ringspot virus decline

Tobacco ringspot virus

Tomato black ring

Tomato black ring virus

Tomato ringspot virus decline

Tomato ringspot virus

Vein mosaic

Undetermined, viruslike

Yellow speckle

Viroid

* Indicates the disease is not known in North America.