Solanum phureja Juz et Buk.: Valuable Source of Genetic Resistance to Potato Late Blight [Phytophthora infestans (Mont.) de Bary]
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Resumen
Bolivia is part of origin center of the potato, and production ecologies in which farmers maintain in-situ collections of Solanum phureja cultivars which are highly conducive to late blight.The research was conducted in the phytopathology laboratory from PROINPA Foundation, in order to identify sources of resistance to late blight (Phytophthora infestans) in cultivars of Solanum phureja, for its use in the potato plant breeding. After three years evaluation the results showed that phureja 7, Chulina 2, Chulina 13, Chulina 8 and Phureja 7 Rojo , were as resistant as Candelaria –1 (relative AUDPC = 8%) and Chulina–3 (relative AUDPC = 8%), and were more resistant than the cv. Runa Toralapa, “resistant check”( relative AUDPC = 38%), and Chulina-1, susceptible check (relative AUDPC = 23%).
Accepted for publication: July 31, 2013
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