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Structure and Genetic Diversity of Wild Populations of Lima Bean (Phaseolus lunatus L.) from the Yucatan Peninsula, Mexico

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

View larger version (28K): [in a new window]   Fig. 1. Geographical location of 11 wild populations studied in four agricultural regions in the Yucatan Peninsula, Mexico. Populations of the southeast of Yucatan (SEYUC): San Fernando (1), Boje (2). Populations of the south of Yucatan (SYUC): Nohcacab (3), Xohuayán-1 (5), Xohuayán-2 (4). Populations of central eastern Quintana Roo (CEQROO): Nohcá (6), Kik (7), Holpat (8). Populations of the northeast of Campeche (NECAMP): Itzinté (9), Bolonchén (10), Chunchintok (11).

View larger version (17K): [in a new window]   Fig. 2. Dendrogram (UPGMA) based on Nei's genetic distance (1972) of 11 wild populations of P. lunatus studied in four agricultural regions of the Yucatan Peninsula, Mexico. The numbers above the lines are the proportion of similar replicates supporting each node. South of Yucatan (SYUC), central eastern Quintana Roo (CEQROO), southeast of Yucatan (SEYUC), northeast of Campeche (NECAMP).

View larger version (9K): [in a new window]   Fig. 3. Correlation between the genetic distance (Nei, 1972) and the geographical distance of the 11 wild populations of P. lunatus studied in the Yucatan Peninsula, Mexico. r = 0.47, p < 0.000001.

View larger version (45K): [in a new window]   Fig. 4. Coefficients of estimated ancestry per individual grouped by population and region. Each individual is represented by a single vertical line broken into four colored segments, with lengths proportional to the individual's estimated ancestry fraction from each of the four regions: SEYUC (blue), SYUC (yellow), CEQROO (green), NECAMP (red). Populations: San Fernando (1), Boje (2), Xohuayán-1 (3), Nohcacab (4), Xohuayán-2 (5), Nohca (6), Kik (7), Holpat (8), Itzinté (9), Bolonchén (10), Chunchintok (11).