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Gene Flow and Genetic Structure in the Wild–Weedy–Domesticated Complex of Phaseolus lunatus L. in its Mesoamerican Center of Domestication and Diversity

^a Centro de Investigación Científica de Yucatán (CICY), Calle 43 No. 130, Col. Chuburná de Hidalgo, 97200 Mérida, Yucatán, México
^b Dep. of Agronomy and Range Science, Univ. of California, Davis, CA

View larger version (27K): [in this window] [in a new window]   Fig. 1. Study regions (shaded circles) and populations (lowercase). SEYUC populations: San Fernando-1 (a), Weedy (b), Boje (c), San Fernando-2 (d), Marcos (e), and X-Uilub (f); CEQROO populations: Celestino (g), Domingo (h), Julián (i), Nohcá (j), Kik (k) and Holpat (l). SYUC populations: Xohuayán-1 (m), Nohcacab (n), Xohuayán-2 (ñ), Xohuayán-3 (o), Xohuayán-4 (p), and Rubén (q). NECAMP populations: Itzinté (r), Bolonchén-1 (s), Chunchintok (t), Bolonchén-2 (u), Elías (v), and Pascuál (w). Shady intensity indicates degree of agricultural intensification of the region defined by the number of fallow years, relative levels of agrochemical use and degree of integration into external markets.

View larger version (14K): [in this window] [in a new window]   Fig. 2. Coefficients of estimated ancestry per individual (q), grouped by population, biological status and agricultural region. Each individual is represented by a single vertical line broken into two colored segments, with lengths proportional to the individual's estimated ancestry fraction from each of the two biological statuses: Wild (gray) and domesticate (black). Populations: San Fernando-1 (1), Weedy (2), Boje (3), San Fernando-2 (4), Marcos (5), X-Uilub (6), Celestino (7), Domingo (8), Julián (9), Nohca (10), Kik (11), Holpat (12), Xohuayán-1 (13), Nohcacab (14), Xohuayán-2 (15), Xohuayán-3 (16), Xohuayán-4 (17), Rubén (18), Itzinté (19), Bolonchén-1 (20), Chunchintok (21), Bolonchén-2 (22), Elías (23), and Pascual (24).

View larger version (51K): [in this window] [in a new window]   Fig. 3. Types of seed found into the weedy population.