Fig. 1

a. Map showing the sampling locations in Karnataka, India. The collection sites included were Bangalore Urban and Kolar districts in Karnataka, India. The samples were collected from Mavallipura (one location, four samples) and Muthagada halli (two locations, three samples per colaction) villages from Bnagalore Urban district and Rajakallahalli (one location, six samples) and Madderi Malllandahalli (one location, three samples) from Kolar districts. b. Chilli plants showing different viral disease symptoms under natural conditions. Symptoms observed in each sample are as follows. C1) leaf curling and mosaic, C2) leaf curling, mosaic and bunchy appearance of leaves, C3) mottling and dark green vein banding, C4) leathery leaves and vein banding, D1) leaf curling, D2) leaf curling and mosaic, D3) mottling and mosaic of leaves, E1) leaf curling and mosaic, E2) mosaic and rat tailed leaves, E3) mosaic, F1) leaf curling, mottling and vein banding, F2) mottling and vein banding, F3) vein banding, F4) mosaic, F5) mottling and mosaic, F6) mottling and vein banding, G1) leaf curling and vein banding, G2) leaf curling and small leaves and G3) mottling, mosaic and dull coloured leaves