This article is a list of diseases of cucurbits (Citrullus spp., Cucumis spp., Cucurbita spp., and others).
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 | |
| Anthracnose (stem, leaf and fruit) |
Colletotrichum orbiculare |
| Belly rot |
Rhizoctonia solani |
| Black root rot | Thielaviopsis basicola |
| Blue mold rot | |
| Cephalosporium root and hypocotyl rot, stem streak and dieback |
Acremonium spp. |
| Cercospora leaf spot | Cercospora citrullina |
| Charcoal rot Vine decline and fruit rot |
Macrophomina phaseolina |
| Choanephora fruit rot | Choanephora cucurbitarum |
| Collapse of melon | |
| Corynespora blight/target spot | Corynespora cassiicola |
| Crater rot (fruit) | Myrothecium roridum |
| Crown and foot rot |
Fusarium solani |
| Damping-off |
Acremonium spp. |
| Downy mildew | Pseudoperonospora cubensis |
| Fusarium fruit rot |
Fusarium equiseti |
| Fusarium wilt |
Fusarium oxysporum |
| Gray mold |
Botrytis cinerea |
| Gummy stem blight (vine decline) |
Didymella bryoniae |
| Lasiodiplodia vine decline/fruit rot | |
| Monosporascus root rot/Myrothecium canker (black canker) | |
| Net spot | Leandria momordicae |
| Phoma blight | |
| Purple stem |
Diaporthe melonis |
| Phomopsis black stem | Phomopsis sclerotioides |
| Phyllosticta leaf spot | Phyllosticta cucurbitacearum |
| Phytophthora root rot | |
| Pink mold rot | Trichothecium roseum |
| Plectosporium blight | Plectosporium tabacinum |
| Powdery mildew | |
| Pythium fruit rot (cottony leak) | Pythium spp. |
| Rhizopus soft rot (fruit) | |
| Scab/gummosis | Cladosporium cucumerinum |
| Sclerotinia stem rot | Sclerotinia sclerotiorum |
| Septoria leaf blight | Septoria cucurbitacearum |
| Southern blight (Sclerotium fruit and stem rot) |
Sclerotium rolfsii |
| Sudden wilt | Pythium aphanidermatum |
| Ulocladium leaf spot | Ulocladium consortiale |
| Verticillium wilt | |
| 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 | |
| Lesion |
Pratylenchus spp. |
| Pin |
Paratylenchus spp. |
| Reniform | |
| Ring |
Circonemella spp. |
| Root-knot |
Meloidogyne spp. |
| Spiral |
Helicotylenchus spp. |
| Sting | |
| Stubby-root | |
| Stunt | |
References
- Common Names of Diseases, The American Phytopathological Society
- Cucurbit Diagnostic Key, The Cornell Plant Pathology Vegetable Disease Web Page
- Cucurbit Diseases (Fact Sheets and Information Bulletins), The Cornell Plant Pathology Vegetable Disease Web Page
- Lucid Key to Diagnosing Postharvest Diseases of Cantaloupe