Summary
Phaseolin variability was analyzed in 86 wild Phaseolus lunatus accessions, representing a wide geographical distribution from Mexico to Argentina, to determine geographical patterns of variability. The collection can be divided into two major groups. One group consists of accessions from Mexico, Central America, Cuba, Columbia, Argentina showing two Mesoamerican (M) phaseolin pattern types, already described in cultivated materials, as well as a variety of additional banding patterns. This suggests that at least two genotypes in the Mesoamerican gene pool were involved in a domestication process and spread throughout the world. The other group, consisting of wild Andean (A) forms from Northern Peru and belonging to the Andean gene pool, showed, among others, two A pattern types comparable to those found in cultivated large-seeded accessions.
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Lioi, L. Phaseolin diversity in wild Lima bean (Phaseolus lunatus L.) in American centres of origin. Genet Resour Crop Evol 43, 575–579 (1996). https://doi.org/10.1007/BF00138834
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DOI: https://doi.org/10.1007/BF00138834