Papaya Pests

Pests of National Significance

Insect pest and mites

• Mealybug: Paracoccus marginatus Williams & Granara de Willink (Hemiptera: Pseudococcidae)
• Grasshopper: Poecilocerus pictus Fab (Orthoptera: Pyrgomorphidae)

Diseases

• Stem or Foot or Collar rot: Pythium spp. Phytophthora spp., Rhizoctonia spp.
• Papaya ring spot disease: Papaya Ring Spot Virus
• Papaya mosaic disease: Papaya mosaic virus (Potex virus)
• Anthracnose: Gloeosporium papayae P Henn / Colletotrichum gloesporioides (Penz.) Penz. &. Sacc

Postharvest diseases

• Anthracnose: Gloeosporium papayae P Henn
• Rhizopus rot: Rhizopus stolonifer (Ehrenb.: Fr.) Vuill.
• Fruit rot: Alternaria alternata (Fr.) Keissl.
• Phomopsis rot: Phomopsis caricae-papayae Petr. & Cif.
• Stem end rot: Botryodiplodia theobromae Leavitt and Munnecke (Lasiodiplodia theobromae)

Nematodes

• Reniform nematode: Rotylenchulus reniformis Linford and Oliveira (Tylenchida: Hoplolaimidae)

Weeds

Grasses

• Large crabgrass: Digitaria sanguinalis L.(Scop.) (Poaceae)
• Yellow foxtail: Setaria glauca (L.) P. Beauv. (Poaceae)
• Goosegrass: Eleusine indica (L.) Gaertner. (Poaceae)
• Bermuda grass: Cynodon dactylon (L.) Pers. (Poaceae)

Broad leaf

• Carrot grass: Parthenium hysterophorus L. (Asteraceae)
• Coat buttons: Tridax procumbens L. (Fabaceae)
• Yellow spider flower: Cleome viscosa L. (Capparidaceae)
• Asthma herb/Spurge: Euphorbia hirta L. (Euphorbiaceae)
• Cock's comb: Celosia argentea L. (Amaranthaceae)
• Pigweed: Amaranthus viridis Hook. F. (Amaranthaceae)
• Goat weed: Ageratum conyzoides L. (Asteraceae)

Sedge

• Purple nutsedge: Cyperus rotundus L. (Cyperaceae)
• Flat sedge: Cyperus iria L. (Cyperaceae)
• Umbrella sedge: Cyperus difformis L. (Cyperaceae)

Birds

• Jungle crow: Corrus macrocercus culminates wagker (Passeriformes: Dicruridae)
• Myna: Acridotheres tristis L. (Passeriformes: Sturnidae) 5.3. Roseinged parakeet: Psittacula krameri (Psittaciformes: Psittacidae)

Pest of Regional Significance

Insect pests

• Cotton whitefly: Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae)
• Scale insect: Aspidiotus destructor Signoret (Homoptera: Diaspididae)
• Aphid: Aphis gossypii Glover, Myzus persicae Sulzer (Hemiptera: Aphididae)
• Fruit fly: Bactrocera diversus Coquillett, B. cucurbitae Coquillett (Diptera: Tephritidae)
• Grey weevil: Myllocerus viridans (Coleoptera: Curculionidae)
• Stem borer: Dasyses rugosellus

Diseases

• Damping off of seedling: Pythium spp. Phytophthora spp., Rhizoctonia spp.
• Powdery mildew: Oidium caricae F. Noack
• Papaya leaf curl disease: Papaya leaf curl virus

Nematode

• Root-Gall Nematode: Meloidogyne incognita

IPM for Papaya

To know the IPM practices for Papaya, click here.

Source: NIPHM and Directorate of Plant Protection, Quarantine & Storage