List of cucurbit diseases


List of cucurbit diseases

This article is a list of diseases of cucurbits (Citrullus spp., Cucumis spp., Cucurbita spp., and others).

Contents

Bacterial diseases

Bacterial diseases
Angular leaf spot Pseudomonas amygdali pv. lachrymans
Bacterial fruit blotch/seedling blight Acidovorax avenae subsp. citrulli = Pseudomonas pseudoalcaligenes subsp. citrulli
Bacterial leaf spot Xanthomonas campestris pv. cucurbitae
Bacterial rind necrosis Erwinia spp.
Bacterial soft rot Erwinia carotovora subsp. carotovora
Bacterial wilt Erwinia tracheiphila
Brown spot Erwinia ananas

Fungal diseases

Fungal diseases
Alternaria leaf blight Alternaria cucumerina
Alternaria leaf spot

Alternaria alternata f.sp. cucurbitae

Anthracnose (stem, leaf and fruit)

Colletotrichum orbiculare
= Colletotrichum lagenarium
Glomerella lagenarium [teleomorph]

Belly rot

Rhizoctonia solani
Thanatephorus cucumeris [teleomorph]

Black root rot Thielaviopsis basicola
Blue mold rot

Penicillium spp.
Penicillium digitatum

Cephalosporium root and hypocotyl rot, stem streak and dieback

Acremonium spp.
= Cephalosporium spp.

Cercospora leaf spot Cercospora citrullina
Charcoal rot

Vine decline and fruit rot

Macrophomina phaseolina
Choanephora fruit rot Choanephora cucurbitarum
Collapse of melon

Monosporascus eutypoides
= Bitrimonospora indica

Corynespora blight/target spot Corynespora cassiicola
Crater rot (fruit) Myrothecium roridum
Crown and foot rot

Fusarium solani
= Haematonectria haematococca
Nectria haematococca [teleomorph]

Damping-off

Acremonium spp.
Fusarium spp.
Fusarium equiseti
Gibberella intricans[teleomorph]
Phytophthora sp.
Pythium spp.
Rhizoctonia solani
Thielaviopsis basicola
Other fungi

Downy mildew Pseudoperonospora cubensis
Fusarium fruit rot

Fusarium equiseti
= Fusarium roseum f. gibbosum
Fusarium graminearum
Gibberella zeae [teleomorph]
Fusarium semitectum
Fusarium solani f.sp. cucurbitae
Fusarium spp.

Fusarium wilt

Fusarium oxysporum
(with these formae speciales:)
Fusarium oxysporum f.sp. benincasae
Fusarium oxysporum f.sp. cucumerinum
Fusarium oxysporum f.sp. lagenariae
Fusarium oxysporum f.sp. luffae
Fusarium oxysporum f.sp. melonis
Fusarium oxysporum f.sp. momordicae
Fusarium oxysporum f.sp. niveum

Gray mold

Botrytis cinerea
Botryotinia fuckeliana [teleomorph]

Gummy stem blight (vine decline)

Didymella bryoniae
= Mycosphaerella melonis
Phoma cucurbitacearum [anamorph]

Lasiodiplodia vine decline/fruit rot

Lasiodiplodia theobromae
= Diplodia natalensis

Monosporascus root rot/Myrothecium canker (black canker)

Monosporascus cannonballus
Myrothecium roridum

Net spot Leandria momordicae
Phoma blight

Phoma exigua var. exigua
= Ascochyta phaseolorum

Purple stem

Diaporthe melonis
Phomopsis cucurbitae [teleomorph]

Phomopsis black stem Phomopsis sclerotioides
Phyllosticta leaf spot Phyllosticta cucurbitacearum
Phytophthora root rot

Phytophthora spp.
Phytophthora capsici

Pink mold rot Trichothecium roseum
Plectosporium blight Plectosporium tabacinum
Powdery mildew

Sphaerotheca fuliginea
Erysiphe cichoracearum

Pythium fruit rot (cottony leak) Pythium spp.
Rhizopus soft rot (fruit)

Rhizopus stolonifer
= Rhizopus nigricans

Scab/gummosis Cladosporium cucumerinum
Sclerotinia stem rot Sclerotinia sclerotiorum
Septoria leaf blight Septoria cucurbitacearum
Southern blight (Sclerotium fruit and stem rot)

Sclerotium rolfsii
Athelia rolfsii [teleomorph]

Sudden wilt Pythium aphanidermatum
Ulocladium leaf spot Ulocladium consortiale
Verticillium wilt

Verticillium albo-atrum Verticillium dahliae

Web blight Rhizoctonia solani

Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Air pollution injury Ozone, sulfur dioxide and others
Bitter fruit Sunburn injury, physiologic stress
Blossom end rot Physiological disorder, calcium deficiency, moisture imbalance
Bottle neck of fruit Incomplete pollination
Measles Physiological disorder, salt toxicity
Sandburn Physiological disorder
Sunscald (fruit) Excessive or intense direct heat/ solar injury
Windburn Physiological disorder

Nematodes, parasitic

Nematodes, parasitic
Dagger, American

Xiphinema americanum

Lesion

Pratylenchus spp.

Pin

Paratylenchus spp.

Reniform

Rotylenchulus reniformis

Ring

Circonemella spp.

Root-knot

Meloidogyne spp.

Spiral

Helicotylenchus spp.

Sting

Belonolaimus longicaudatus

Stubby-root

Paratrichodorus minor

Stunt

Tylenchorhynchus claytoni

References


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