Origin of the A2 Mating Type of Phytophthora infestans Outside Mexico.

@article{Goodwin1997OriginOT,
  title={Origin of the A2 Mating Type of Phytophthora infestans Outside Mexico.},
  author={Stephen B. Goodwin and Annemieke van Drenth},
  journal={Phytopathology},
  year={1997},
  volume={87 10},
  pages={
          992-9
        }
}
The first report of the A2 mating (compatibility) type of the potato late blight pathogen, Phytophthora infestans (Mont.) de Bary, outside Mexico was in Europe during 1984 (32) and, since then, the A2 has been found in many parts of the world (19,23). The four most likely hypotheses to explain the occurrence of the A2 mating type outside Mexico are that it (i) was always present, but undetected (58); (ii) was introduced by migration (62); (iii) arose by mutation or mitotic recombination; or (iv… CONTINUE READING

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