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- Title
Resistance to bacterial halo blight in Arabica coffee lines derivative from the genotype C1195-5-6-2 under natural infection conditions.
- Authors
Andreazi, Elder; Sera, Gustavo Hiroshi; Sera, Tumoru; de Batista Fonseca, Inês Cristina; Carducci, Fernando Cesar; Shigueoka, Luciana Harumi; dos Santos, Willian Gabriel; Pereira, Carlos Theodoro Motta
- Abstract
The aim of this study was to identify resistance to bacterial halo blight in Arabica coffee lines carrying Coffea racemosa genes. Eighteen Arabica coffee lines derivative from the genotype C1195-5-6-2, and the cultivars IAPAR 59 and IPR 99 were evaluated for resistance to bacterial halo blight in two trials carried out in field conditions, in Londrina, PR, Brazil. The cultivars Mundo Novo IAC 376-4 and Catuaí Vermelho IAC 81 were included as susceptible controls. Ten lines and the cultivar IAPAR 59 showed resistance to bacterial halo blight. The cultivar IPR 99 presented intermediate reaction, and the controls were very susceptible. This is the first study to show that lines derivative from the genotype C1195-5-6-2, which has C. racemosa genes, could be a source of resistance to bacterial halo blight in coffee breeding programs.
- Subjects
HALO-blight; COFFEE; DISEASE resistance of plants; DISEASE susceptibility; PLANT breeding
- Publication
Crop Breeding & Applied Biotechnology, 2018, Vol 18, Issue 1, p110
- ISSN
1518-7853
- Publication type
Article
- DOI
10.1590/1984-70332018v18n1n17