Tomatoes showing yellow leaf curl symptoms in the island of Grenada exhibit an infection with Tomato yellow leaf curl virus either alone or in combination with Potato yellow mosaic virus

In March 2007, severe symptoms of leaf curling and yellowing resembling tomato yellow leaf curl disease were observed on tomato ( Solanum lycopersicum ) plants with a very high incidence in six sites on Grenada Island (Fig. 1; Table 1).…