Collecting, characterization, and variability of Phytophthora infestans (Mont.) de Bary, at its centre of origin, Mexico - Lozoya, H.; Serrano, R.; Maria, I.; Santos, A.; Robledo, M. Nayeli; Hale, C; Hunter, D; Roberts, W; Ikin, R; McMaugh, S (XXIX INTERNATIONAL HORTICULTURAL CONGRESS ON HORTICULTURE: SUSTAINING LIVES, LIVELIHOODS AND LANDSCAPES (IHC2014): INTERNATIONAL SYMPOSIA ON INNOVATIVE PLANT PROTECTION IN HORTICULTURE, BIOSECURITY, QUARANTINE PESTS, AND MARKET ACCESS, 2015)