Diseases and pests index

This list provides direct access to files summarizing knowledge on the symptoms of the disease, the biology of the pest in question, and the protection methods to be implemented to control it. (*: disease or pest absent in France or at reduced incidence) 

Parasitic diseases

• Fungi

Aerial fungi

- Alternaria alternata f. sp. cucurbitae * (alternaria leaf spots)
- Alternaria cucumerina * (leaf blight)
- Botrytis cinerea (gray mold)
- Choanephora cucurbitarum * (fruit rot)
- Cladosporium cucumerinum (leaf spot or gray cloud, cucumber scab)
- Gloeosporium orbiculare  (= Colletotrichum orbiculare ) (nuile rouge ou anthracnose)
- Corynespora cassiicola (corynesporiose)
- Diaporthe melonis * (black rot and "purple stem")
- Didymella bryoniae (gummy cankers on stem, black rots on fruit)
- Lasiodiplodia theobromae *
- Myrothecium roridum *
- Podosphaera xanthii ( Sphaerotheca fuliginea ) and Golovinomyces cichoracearum var. cichoracearum ( Erysiphe cichoracearum ) (oïdium on "white")
- Pseudoperonospora cubensis (mildiou)
- Rhizopus stolonifer
- Septoria cucurbitacearum * (septoriose)
- Trichothecium roseum

Telluric fungi

- Athelia rolfsi i *( Sclerotium rolfsii , pourriture à Athelia )
- Fusarium oxysporum f. sp. melonis
- Fusarium solani f. sp. cucurbitae (Rotten collar and fruit fusarium)
- Macrophomina phaseolina (root and crown rots caused by Macrophomina )
- Monosporascus cannonballus *
- Various oomycetes : Pythium spp., Phytophthora spp. (damping-off, root and basal rots)
- Phomopsis sclerotioides
- Phytophthora capsici (damping off, root and crown rots, lesions on leaves and fruits)
- Pyrenochaeta lycopersici (cork root disease)
- Sclerotinia sclerotiorum (sclérotiniose)
-  Setophoma terrestris  ( Pyrenochaeta terrestris ) (pink roots)
-  Thanatephorus cucumeris (ex Rhizoctonia solani , rhizoctone brun)
- Thielaviopsis basicola (black root rot)

Vascular fungi

- Fusarium oxysporum f. sp. melonis (Pusarioser vasculaire)
- Verticillium dahliae (verticilliose)

• Bacteria

- Pseudomonas syringae pv. prepared (Infection du Melon)
- Rhizobium radiobacter  ( Agrobacterium tumefasciens )

• Viruses

- Cucumber mosaic virus (CMV) - 
- - Cucurbit aphid-borne yellows virus Cucurbit yellows virus (CABYV) transmitted by aphids
- Melon necrotic spot virus (MNSV) -
- Muskmelon yellows virus (MYV) - 
- Papaya ring spot virus (PRSV) - 
- Squash mosaic virus (SqMV) - 
- Watermelon mosaic virus (WMV) - 
- Zucchini yellow mosaic virus (ZYMV) - 

• Nematodes

- Meloidogyne spp. (root-knot nematodes)

Non-parasitic diseases

- Climatic and environmental accidents
- Genetic abnormalities
- Food deficiencies and excess
- Crown blight
- Fasciations
- Growth slits
- Fumagine
- Physiological grill
- Intumescences
- Phytotoxicities
- Glazing

Pests

• Insects

- Aleurodes
- Leafminers
- Noctuelles
- Aphids
- Thrips

• Mites

-  Acariens  ( Tetranychus spp.)