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Watermelon Pests

Pests of National Significance

Insect and mite pests

  • Red pumpkin beetle: Raphidopalpa foveicollis Lucas (Coleoptera: Chrysomelidae)
  • Fruit fly: Bactrocera cucurbitae Coquillett (Diptera: Tephritidae)
  • Thrips: Thrips tabaci Linderman (Thysanoptera: Thripidae)
  • Whitefly: Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae)
  • Aphid: Aphis gossypii Glover (Hemiptera: Aphididae)
  • Leaf eating caterpillar: Diaphania indica Saunders (Lepidoptera: Pyralidae)
  • Serpentine leaf miner: Liriomyza trifolii Burgess (Diptera: Agromyzidae)
  • Red spider mite: Tetranychus urticae Koch (Acarina: Tetranychidae)

Diseases

  • Downy mildew: Pseudoperonospora cubensis Berkeley & Curtis
  • Powdery mildew: Erysiphe cichoracearum DC, Sphaerotheca fuliginea (Schltdl.) Pollacci)
  • Anthracnose: Colletotrichum orbiculare Berk. & Mont. Arx, & C. lagenarium Pass. Ell. & Halst
  • Alternaria leaf spot: Alternaria cucumerina Elliot
  • Fusarium wilt: Fusarium oxysporum f.sp. niveum (E.F. Sm.) W.C. Snyder & H.N. Hans
  • Bud necrosis diseases: Tomato spotted wilt virus (Tospo virus)
  • Cucumber mosaic disease: Cucumber mosaic virus

Nematode

  • Root - knot nematode: Meloidogyne sp.

Weeds

Broad leaf
  • Lamb’s quarter: Chenopodium album L. (Chenopodiaceae)
  • Scarlet pimpernel: Anagallis arvensis (Primulaceae)
  • Sweet clover: Melilotus indica L. (Fabaceae)
  • Swine cress: Coronopus didymus L. Sm. (Brassicaceae)
  • Fine leaf fumitory: Fumaria parviflora Lam. (Papaveraceae)
  • Corn spurry: Spergula arvensis L. (Caryophyllaceae)
  • Pigweed: Amaranthus viridis Hook (Amranthaceae)
  • Black nightshade: Solanum nigrum L. (Solanaceae)
  • Common purselane: Portulaca oleracea L. (Portulacaceae)
  • False amaranth: Digera arvensis Forssk. (Amaranthaceae)
  • Carrot grass: Parthenium hysterophorus L. (Asteraceae)

Grasses

  • Blue grass: Poa annua L. (Poaceae)
  • Rabbit/crow foot grass: Dactyloctenium aegyptium L. Willd. (Poaceae)
  • Crab grass: Digitaria sanguinalis L. Willd (Poaceae)

Sedges

  • Purple nut sedge: Cyperus rotundus L. (Cyperaceae)

IPM for Watermelon

To know the IPM practices for Watermelon, click here.

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



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