List of cucurbit diseases
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