New Races of Hemileia vastatrix Detected in Peruvian Coffee Fields
Alberto Julca-Otiniano,
Leonel Alvarado-Huamán,
Viviana Castro-Cepero
et al.
Abstract:Coffee leaf rust (CLR), a fungal disease caused by Hemileia vastatrix, represents Peru’s most significant threat to coffee production. The CLR epidemic (2012–2013) led Peru to implement an emergency plan under which coffee plantations underwent renewal using rust-resistant varieties derived from a Timor hybrid (HDT; Coffea arabica × canephora hybrid) like Catimors. Nevertheless, new pathogenic rust races capable of infecting these varieties have been recorded. Eighteen rust samples from coffee genotypes, such … Show more
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