Prevalence of virus-like symptoms (i.e., mosaic, leaf curl, leaf lamina reduction, and/or stunting) in the analyzed Mexican chiltepin populations monitored in July–August of 2007 to 2009.

1Habitats belonged to three levels of human management.
2State is indicated in parenthesis: NAY = Nayarit; OAX = Oaxaca; SIN = Sinaloa, SLP = San Luis Potosí, SON = Sonora, TAM = Tamaulipas, YUC = Yucatan.
3Populations 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.
4Region designates the following biogeographical provinces: YUC: Yucatan; CPS: Costa del Pacífico Sur; SMO: Sierra Madre Oriental; AZP: Altiplano Zacatecano-Potosino; CPA: Costa del Pacífico; SON: Sonora.
5Total number of plants in the population, except for. BER-w, PEL-w, MOC-w and MAU-w, in which N indicates number of plants sampled (see Material & Methods).
6Number of asymptomatic plants.
7Number of symptomatic plants.
8Percentage of symptomatic plants.