Pests of National Significance Insect pests Mealybugs: Ferrisia virgata Cockerell, Maconellicoccus hirsutus, Pseudococcus maritimus, Ferrisia virgata Cockerell (Hemiptera: Pseudococcidae) Flea beetle: Scelodonta strigicollis (Olivier) (Coleotoptera: Chrysomelidae) Girdle beetle/Grape cane girdler Ampelo glypterater LeConte (Coleotoptera: Cerambycidae: Curculionidae) Thrips: Rhipiphorothrips cruentatus Hood (Thysanoptera:Thripidae) Hoppers: Empoasca fabae, Erythroneura comes (Hemiptera: Cicadellidae) Stem borers: Celosterna scabrator F., (Coleoptera:Cerambycidae) Leaf eating caterpillar: Spodoptera litura F. (Lepidoptera: Noctuidae) Grape leaf folder: Desmia funeralis (Hubner) (Lepidoptera: Pyralidae) Diseases Downy mildew: Plasmopara viticola (Berk. & Curt.) Berl.& de Toni Powdery mildew: Uncinula necator (Schw.) Burr. Anthracnose: Elsinoe ampelina (de Bary) Shear Greenaria bitter rot: Greenaria uvicolaBark and Curt. Bacterial leaf spot: Xanthomonas campestris pv. Campestris (Pammel) Dowson Alternaria blight: Alternaria alternata (Fr.) Keissl., Alternaria tenuissima (Kunze) Wiltshire Black rot: Guignardia bidwelli(Ellis) Viala & Ravaz Post-harvest berry rots caused by fungi Blue mould rot: Penicillium digitatum (Pers.) Sacc. Black mould rot: Aspergillusniger Van Tieghem Green mould: Aspergillus flavus Link. Rhizopus rot: Rhizopus nigricans Ehrenberg Botrytis Bunch Rot or Gray Mold of Grape: Botrytis cinerea (De Bary) Whetzel Nematodes Root-knot Nematode: Meloidogyne spp., Weeds Broadleaf Pigweed: Amaranthus viridis, Hook. F. (Amaranthaceae) Common purselane: Portulaca oleracea L. (Portualacaceae) False amaranth: Digera arvensis Forssk. (Amaranthaceae) Carrot grass: Parthenium hysterophorus L. (Asteraceae) Goat weed: Ageratum conyzoides L. (Asteraceae) Coat buttons: Tridax procumbens L. (Fabaceae) Spanish needles: Bidens pilosa L. (Asteraceae) Silk leaf: Lagascea mollis Cav. (Asteraceae) Madras leaf-flower: Phyllanthus madraspatensis L. (Euphorbiaceae) Grasses Barnyard grass: Echinochloa crusgalli (L.) Beauv. (Poaceae) Bermuda grass: Cynodon dactylon (L.) Pers. (Poaceae) Sedges Purple nutsedge: Cyperus rotundus L. (Cypraceae) Flat sedge: Cyperus iria L. (Cypraceae) Pests of Regional Significance Insect pests Red mites: Tetranychus spp. (Acari: Tetranychidae) (Maharashtra) Rose chafer beetle: Macrodactylus subspinosus F., (Coleoptera: Scarabaeidae) Cock chafer beetle: Melolontha melolontha L. (Coleoptera: Scarabaeidae) Grape leaf roller: Sylepta lunalis Guen. (Lepidoptera: Pyralidae) (Delhi) Scale Insects: Aspidiotus lataniaeSignoret (Hemiptera: Diaspididae) Diseases Rust: Phakopsora vitis Ono Leaf Spot: Phomopsis viticola Erincik and Madden (Andhra Pradesh) Foot rot: Cylindrocarpon spp. Irregular cane maturity due to Botrydiplodia sp. Nematode Reniform nematode: Rotylenchulus reniformis Linford and Oliveira (Andhra Pradesh, Maharashtra) Dagger nematode: Xiphinema americanum Micol IPM for Grapes To know the IPM practices for Grapes, click here. Source: NIPHM and Directorate of Plant Protection, Quarantine & Storage