Pests of National Significance Insect pests: Cotton whitefly: Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae) Aphid: Hyadaphis coriandri Das, Aphis gossypii Glover (Hemiptera: Aphididae) Cutworm: Agrotis sp. (Lepidoptera: Noctuidae) Seed Chalcid fly: Systole coriandri Gussakovsky (Hymenoptera: Chalcidoidea) Diseases: Powdery mildew: Erysiphe polygoni DC Wilt: Fusarium oxysporum f.sp. corianderii Stem gall: Protomyces macrosporus Unger Blight disease complex: Alternaria poonensis Ragunath & Colletotrichum sp. Weeds: Grasses Canary grass: Phalaris minor Retz. (Poaceae) Bermuda grass: Cynodon dactylon (Poaceae) Broad leaf Lambs quarter: Chenopodium album . L. (Chenopodiaceae) Sweet clover: Melilotus indica (L.) All. (Fabaceae) Onion weed: Asphodelus tenuifolius Cav. (Liliaceae) Scarlet pimpernel: Anagallis arvensis L. (Primulaceae) Sedge Purple nut sedge: Cyperus rotundus L. (Cyperaceae) Pest of Regional significance: Insect and mite pests: Thrips: Thrips tabaci Lindeman (Thysanoptera: Thripidae) Indigo caterpillar: Spodoptera exigua Hubner (Lepidoptera: Noctuidae) Mite: Petrobia latens Muller, Tetranychus telarius Linn. (Tetranychidae: Acarina) Diseases: Stem rot: Rhizoctonia solani Kuhn Root rot: Pythium sulcatum Pratt and Mitchell Grain mould: Alternaria sp., Helminthosporium sp. Nematodes: Root knot Nematode: Meloidogyne spp. IPM for Coriander To know the IPM practices for Coriander, click here. Source : NIPHM; Directorate of Plant Protection, Quarantine Storage