List of diseases and pests
zucchini and squash

(*: disease or pest absent in France or at reduced incidence)

Parasitic diseases

• Fungi

Aerial Fungi

- Botrytis cinerea (gray mold)
- Cladosporium cucumerinum (leaf spot or gray cloud, cucumber scab)
- Gloeosporium orbiculare  (=  Colletotrichum orbiculare ) (anthracnose ou nuile rouge)
- Didymella bryoniae (gummy cankers on stem, black rots on fruit)

- Monographella cucumerina (plectosporiose)*

- Pseudoperonospora cubensis (mildiou)

Telluric fungi

- Fusarium solani f. squash

- Monosporascus cannonballus
- Phomopsis sclerotioides
- Phytophthora capsici (damping off, root and crown rots, lesions on leaves and fruits)
- Sclerotinia sclerotiorum (sclérotiniose)
- Thanatephorus cucumeris ( Rhizoctonia solani , rhizoctone brun)

Vascular fungi

- Verticillium dalhiae (verticilliose)

Rotten fungi on fruits

- Choanephora cucurbitarum * ( rot Choanephora )

- Fusarium spp. (rot in Fusarium)

- Rhizopus stolonifer ( rot Rhizopus )

• Bacteria

- Pectobacterium carotovorum subsp. carotovorum
- Xanthomonas cucurbitacea

• Virus
  

- Beet pseudo-yellows virus (BPYV) - Virus pseudo beet yellows

- Cucumber mosaic virus (CMV) - virus Cucumber mosaic

- Cucurbit aphid-born yellow virus (CABYV) - Cucurbit yellows virus

- Tomato leaf curl New Delhi virus (ToLCNDV) - Tomato spoon leaf virus New Delhi

- Papaya ring spot virus (PRSV) - papaya ringspot virus

- Tomato leaf curl New Delhi virus - New delhi leaf virus in spoon

- Watermelon mosaic virus (WMV) - mosaic virus watermelon

- Zucchini yellow mosaic virus (ZYMV) - Virus zucchini yellow mosaic

• Nematodes
  

- Meloidogyne spp. (root-knot nematodes)

Non-parasitic diseases

- Climatic and environmental accidents (hail, sunburn)
- Genetic abnormalities (chimeras)
- Squash silvering
- Fasciation of the stem
- Sooty mold

- Fruit drips

- Physiological yellowing
- Physiological macules
- Apical necrosis
- Phytotoxicities

Pests

• Insects and mites
  

- Mites
- Whiteflies
- Leafminers
- Noctuids
- Aphids
- Thrips