Integrated Pest Management Schedule for Vegetables - National ...

Yellow Vein Mosaic (YVMV- Gemini virus)SymptomsThe viral disease is transmitted by whitefly. Earlyinfection causes 20-30% yield loss. Characteristicsymptoms appears as prominent yellow vein andvein lets having green tissue interveinal area. Severelyinfected leaves some-time become completely goldenyellow. Fruits develop green to yellow colour andbecome hard in early stage of growth.then seeds are unfertile and aborted. Characteristicallysmall, green, outgrowths are observed on vein andvein-lets of the lower side of leaves.Apical leaf curlingYellow vein mosaicManagementSeed treatment with Imidacloprid @ 5 ml per kgof seed.Use resistant varietyEarly sowing in last month of June to first week ofJuly.Once or twice rouging of infected plants at initialstage of plant growth.Periodical spray of any safe systemic insecticide upto flowering stage.Removal of malvaceous hosts around the field.Enation Leaf Curl (ELCV)SymptomsThe disease is second most destructive viral disease ofokra after YVMV in kharif season. The disease is causedby geminivirus and transmitted by whitefly. The plantbecomes unable to bear its weight after viral infection.The stem and leaf petiole are bent. Apical portion ofplant develop into full of small, curl and aggregatedleaves. Floral part does not set the fruit. Fruit if setsTwig bending by ELCVManagementSeed treatment with Imidacloprid @ 5 ml per kgof seed.Once or twice rouging of infected plants at initialstage.Use tolerant cultivars.One to two sprays of Abamectin @ 0.05% uptoflowering stage.Root-Knot Nematode(Meloidogyne incognita)SymptomsDiesease appears as stunting of the plants, yellowishgreen of the plant and some-times drooping of theDISEASE MANAGEMENT/OKRA35