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Castor Pests

Pests of National Significance

Insect Pests

  • Tobacco caterpillar: Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae)
  • Castor semilooper: Achaea janata (Linnaeus) (Lepidoptera: Noctuidae)
  • Shoot and capsule borer: Conogethes (Dichocrocis) punctiferalis (Guenée) (Lepidoptera: Crambidae)

Diseases

  • Seedling blight: Phytophthora colocasiae Rac.
  • Alternaria blight: Alternaria ricini (Yoshii) Hansford
  • Cercospora leaf spot: Cercospora ricinella Saccardo & Berlese
  • Powdery mildew: Leveillula taurica (Lev.) Arm.
  • Wilt: Fusarium oxysporum Schlecht.

Weeds

Broad leaf
  • Pigweed: Amaranthus viridis Hook. F. (Amaranthaceae)
  • Swine cress: Coronopus didymus (L.) Sm. (Brassicaceae)
  • Black nightshade: Solanum nigrum L. (Solanaceae)
  • False amaranth: Digera arvensis Forssk. (Amaranthaceae)
Grasses
  • Rabbit/crow foot grass: Dactyloctenium aegyptium (L.) Willd (Poaceae)
  • Crabgrass: Digiteria sanguinalis (L.) Scop. (Poaceae)
  • Burmuda grass: Cynodon dactylon (Poaceae)
Sedges
  • Purple nutsedge: Cyperus rotundus L. (Cyperaceae)
  • Flat sedge: Cyperus iria L. (Cyperaceae)

Pests of Regional Significance

Insect pests

  • Red headed hairy caterpillar: Amsacta albistriga (Walker), A. mooreii. Butler (Lepidoptera: Arctiidae)
  • Bihar hairy caterpillar: Spilosoma obliqua (Walker) (Lepidoptera: Arctiidae)
  • Whitefly: Trialeurodes ricini Misra (Hemiptera: Aleyrodidae)
  • Thrips: Retithrips siriacus, Scirtothrips dorsalis Hood (Thysanoptera: Thripidae)
  • Hairy caterpillars: Euproctis fraternal Moore (Lepidoptera: Lymantriidae)
  • Castor spiny caterpillar: Ergolis (Ariadne) merione ( Cramer) (Lepidoptera: Nymphalidae)
  • Jassid: Empoasca fl avescens Fabricius (Hemiptera: Cicadellidae)
  • Tussock caterpillar: Orgyia postica (Walker) (Lepidoptera: Lymantriidae)
  • Castor slug: Parasa lepida (Cramer) (Lepidoptera: Limacodidae)
  • Serpentine leaf miner: Liriomyza trifolii (Burgess) (Diptera: Agromyziidae)

Disease

  • Collar rot: Phytophthora spp.

IPM for Castor

To know the IPM practices for Castor, click here.

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



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