DisplayTitle

Diseases of Cranberry
(Vaccinium macrocarpon Aiton and V. oxycoccos L.)

Steven N. Jeffers and Donald M. Boone, primary collators (last updated: 11/30/17)

BACTERIAL DISEASES

False blossom

Phytoplasma

Stem gall

Indole-3-acetic acid (IAA)-producing bacteria

FUNGAL DISEASES

Berry speckle

Phyllosticta elongata Weid.

       (syns. Botryosphaeria vaccinii (Shear) M. E. Barr; Guignardia vaccinii Shear)

Bitter rot

Colletotrichum fioriniae (J. A. P. Marcelino & S. Gouli) R. G. Shivas & Y. P. Tan

       (syns. Colletotrichum acutatum J. H. Simmonds; Glomerella acutata Guerber

       & J. C. Correll)

Colletotrichum gloeosporioides (Penz.) Penz. & Sacc.

       (syns. Glomerella cingulata (Stoneman) Spauld. & H. Schrenk; Glomerella cingulata

       var. vaccinia Shear)

Black rot

Allantophomopsis cytisporea (Fr.:Fr.) Petr.

       (syns. Apostrasseria lunata (Shear) Nag Raj; Ceuthospora lunata Shear; Phacidium

       lunatum DiCosmo, Nag Raj & W. B. Kendr.)

Allantophomopsis lycopodina (Höhn.) Carris

Strasseria geniculata (Berk. & Broome) Höhn.

       (syn. Strasseria oxycocci (Shear) Shear)

Black spot

Ramularia nigromaculans Shear

       (syn. Mycosphaerella nigromaculans Shear)

Blotch rot

Physalospora vaccinii (Shear) Arx & E. Müll.

       (syn. Acanthorhynchus vaccinii Shear)

Cladosporium leaf spot

Cladosporium oxycocci Shear

Cottonball

Monilinia oxycocci (Woronin) Honey

       (syn. Sclerotinia oxycocci Woronin)

Early rot

Phyllosticta vaccinii Earle

End rot

Godronia cassandrae Peck

       (syns. Fusicoccum putrefaciens Shear; Godronia cassandrae Peck f. sp. vaccinii

       J. W. Groves)

Fairy ring

Helicobasidium sp.

       (syns. Thanatophytum sp.; Tuberculina sp.)

Phytophthora root and runner rot (see also Oomycete Disease)

Phytophthora spp.

Phytophthora cinnamomi Rands

Phytophthora megasperma Drechsler

Phytophthora taxon cranberry

Powdery mildew

Erysiphe vaccinii Schwein.

       (syns. Microsphaera vaccinii (Schwein.) Cooke & Peck; Microsphaera alni (Wallr.:Fr.)

       G. Winter var. vaccinii (Schwein.) E. S. Salmon; Microsphaera penicillata

       (Wallr.:Fr.) Lév. var. vaccinii (Schwein.) W. B. Cooke

Podosphaera sp.

Protoventuria early leaf spot

Protoventuria barriae Carris & A. P. Poole

Protoventuria leaf spot and berry speckle

Protoventuria myrtilli (Cooke) M. E. Barr

       (syn. Gibbera myrtilli (Cooke) Petr.)

Pyrenobotrys leaf spot

Pyrenobotrys compacta (Peck) B. Erikss.

       (syn. Gibbera compacta (Peck) Shear)

Red gall

Synchytrium vaccinii F. Thomas

Red leaf spot

Exobasidium rostrupii Nannf.

       (syn. Exobasidium vaccinii (Fuckel) Woronin)

Red shoot

Exobasidium perenne N. L. Nick.

Ripe rot

Coleophoma empetri (Rostr.) Petr.

       (syn. Sporonema oxycocci Shear)

Rose bloom

Exobasidium vaccinii (Fuckel) Woronin

       (syn. Exobasidium oxycocci Rostr. ex Shear)

Rust

Naohidemyces vaccinii (G. Winter) S. Sato, K. Katsuya, & Y. Hirats.

       (syns. Pucciniastrum myrtilli Arthur; Pucciniastrum vaccinii (G. Winter) Jørst.)

Twig blight

Lophodermium oxycocci (Fr.) P. Karst.

       (syns. Lophodermium hypophyllum (Dearn. & House) Shear; Lophodermium oxycocci

       (Fr.) P. Karst. var. hypophyllum Dearn. & House)

Upright dieback

Colletotrichum fioriniae (J. A. P. Marcelino & S. Gouli) R. G. Shivas & Y. P. Tan

       (syn. Colletotrichum acutatum J. H. Simmonds)

Colletotrichum gloeosporioides (Penz.) Penz. & Sacc.

Diaporthe spp.

       (syn. Phomopsis spp.)

Diaporthe vaccinii Shear

       (syn. Phomopsis vaccinii Shear)

Godronia cassandrae Peck

       (syn. Fusicoccum putrefaciens Shear)

Synchronoblastia crypta Uecker & F. L. Caruso

Viscid rot

Diaporthe vaccinii Shear

       (syn. Phomopsis vaccinii Shear)

Yellow rot

Botrytis sp.

Botrytis cinerea Pers.:Fr.

NEMATODES (PARASITIC

Ring nematodes

Mesocriconema spp.

Mesocriconema curvatum (Raski) Loof & De Grisse

       (syns. Criconemoides curvatus Raski; Criconemella curvatus (Raski) Luc & Raski)

Mesocriconema xenoplax (Raski) Loof & De Grisse

       (syns. Criconemoides xenoplax Raski; Criconemella xenoplax (Raski) Luc & Raski; Macroposthonia xenoplax (Raski) De Grisse & Loof)

Root lesion nematode

Pratylenchus penetrans (Cobb) Filipjev & Schuurmans Stekhoven

Sheath nematodes

Hemicycliophora spp.

Hemicycliophora ritteri Brizuela

Hemicycliophora vidua Raski

Spiral nematodes

Helicotylenchus spp.

Stubby root nematodes

Paratrichodorus spp.

Paratrichodorus minor (Colbran) Siddiqi

Stunt nematodes

Merlinius spp.

Tylenchorhynchus spp.

OOMYCETE DISEASE

Phytophthora root and runner rot

Phytophthora spp.

Phytophthora cinnamomi Rands

Phytophthora megasperma Drechsler

Phytophthora taxon cranberry

PARASITIC PLANT

Dodder

Cuscuta cephalanthi Engelm.

Cuscuta compacta Juss. ex Choisy

Cuscuta gronovii Willd. ex Schult.

PHYSIOLOGICAL DISORDERS

Environmental disorders

Frost injury

Hail injury

Lightning injury

Oxygen deficiency injury

Salt injury

Sunscald and heat injury

Winter injury

Nutritional disorders

Boron deficiency

Calcium deficiency

Copper deficiency

Iron deficiency

Magnesium deficiency

Manganese deficiency

Nitrogen deficiency

Nitrogen toxicity

Phosphorus deficiency

Potassium deficiency

Sulfur deficiency

Yellow vine

Zinc deficiency

Pesticide toxicity injury

2,4-D

Chlorothalonil

Chlorpyrifos

Clopyralid

Copper sulfate

Dichlobenil

Glyphosate

Napropamide

Norflurazon

Simazine

Physiological (sterile) breakdown

VIRAL DISEASES

Ringspot

Virus—genus Soymovirus; family Caulimoviridae

Tobacco streak

Tobacco streak virus (TSV)—genus Ilarvirus; family Bromoviridae