Selection of Arabic coffee progenies with rust resistance
Luciana Harumi Shigueoka, Gustavo Hiroshi Sera, Tumoru Sera, Inês Cristina de Batista Fonseca, Valdir Mariucci Junior, Elder Andreazi, Filipe Gimenez Carvalho, Cristiane Gonçalves Gardiano and Fernando Cesar Carducci
Abstract – The aim of this study was to select high-yielding coffee progenies with resistance to coffee leaf rust for the State of Paraná (Brazil). Field experiments in a randomized block design were carried out in Itaguajé and Congonhinhas. Yield, vegetative vigor and rust resistance of nine progenies of Arabic coffee and three check cultivars were evaluated. Many genotypes derived from “Sarchimor” and “Catucaí” were susceptible. Three coffee genotypes of Sarchimor germplasm and the F6 generation of genotype “Catuaí x (Catuaí x BA-10 coffee)” were selected to advance generations and are promising to become new cultivars for being higher-yielding than ‘IAPAR 59’ and ‘Tupi IAC 1669-33’ and having a large number of plants with complete rust resistance.