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Artificial neural networks compared with Bayesian generalized linear regression for leaf rust resistance prediction in Arabica coffee. Repositório Alice
SILVA, G. N.; NASCIMENTO, M.; SANT'ANNA, I. de C.; CRUZ, C. D.; CAIXETA, E. T.; CARNEIRO, P. C. S.; ROSADO, R. D. S.; PESTANA, K. N.; ALMEIDA, D. P. de; OLIVEIRA, M. da S..
The objective of this work was to evaluate the use of artificial neural networks in comparison with Bayesian generalized linear regression to predict leaf rust resistance in Arabica coffee (Coffea arabica). This study used 245 individuals of a F2 population derived from the self-fertilization of the F1 H511-1 hybrid, resulting from a crossing between the susceptible cultivar Catuaí Amarelo IAC 64 (UFV 2148-57) and the resistant parent Híbrido de Timor (UFV 443-03). The 245 individuals were genotyped with 137 markers. Artificial neural networks and Bayesian generalized linear regression analyses were performed. The artificial neural networks were able to identify four important markers belonging to linkage groups that have been recently mapped, while the...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Inteligência artificial; Predição; Coffea arabica; Hemileia vastatrix; Marcador molecular; Coffea arabica; Hemileia vastatrix; Artificial intelligence; Genetic markers; Prediction.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1069618
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Inheritance study and linkage mapping of resistance loci to Hemileia vastatrix in Híbrido de Timor UFV 443-03. Repositório Alice
PESTANA, K. N.; CAPUCHO, A. S.; CAIXETA, E. T.; ALMEIDA, D. P. de; ZAMBOLIM, E. M.; CRUZ, C. D.; ZAMBOLIM, L.; PEREIRA, A. A.; OLIVEIRA, A. C. B. de; SAKIYAMA, N. S..
Coffee leaf rust (CLR) caused by Hemileia vastatrix Berk. et Br. is one of the major Coffea arabica diseases world-wide. CLR resistance has been attributed to at least nine dominant genes, as single or in combination. We present an inheritance study and mapping loci involved in the Híbrido de Timor (HDT) UFV 443-03 resistance to race I, race II, and pathotype 001 of H. vastatrix . Molecular markers were used to ascertain the phenotypic results and to map the putative resistance loci. For all tree isolates, the inheritance study indicated that the resistance of HDT UFV 443-03 is conditioned by two independent dominant loci or by three independent loci (two dominant and one recessive). Molecular marker analyses ascertained that the resistance of HDT UFV...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Leaf rust; Breeding; Chromosome mapping; Quantitative trait loci.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1039824
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