Laboratory-determined prevalence of begomoviruses and CMV infection in Mexican chiltepin populations.

CMV-infected plants were detected by ELISA-DAS. Begomovirus infected plants were detected by PCR with specific primers in a subset of 1081 plants of the 1820 plants sampled (see Material and Methods).1Habitats belonged to three levels of human management.2Populations are designated with the first three letters of the name of the nearest village, plus a code indicating the habitat: W = wild, LSP = Let standing, pasture; LSF = Let standing, living fence; CHG = Cultivated, home garden; CMC = Cultivated, monoculture.3Total number of analysed plants per population.4Percentage of analysed plants detected as begomovirus-infected.5Percentage of analysed plants detected as CMV-infected.