Biblioteca do Café
URI permanente desta comunidadehttps://thoth.dti.ufv.br/handle/123456789/1
Navegar
15 resultados
Resultados da Pesquisa
Item Morpho-agronomic and leaf anatomical traits in Coffeacanephora genotypes(Universidade Federal de Santa Maria, 2023) Silva, Larícia Olária Emerick; Schmidt, Raquel; Almeida, Rafael Nunes de; Feitoza, Rodrigo Barbosa Braga; Cunha, Maura da; Partelli, Fábio LuizGenetic variability is the basis for coffee genetic breeding. This study evaluated the potential of leaf anatomy and morpho-agronomic traits in studies of genetic variability in C. canephoracultivars. Ten genotypes were distributed in randomized block designs with three replicates. Significant differences among genotypes were detected by F-test (P < 0.05) for 13 of 15 evaluated traits. These results evidenced the heterogeneity of the studied cultivars, which is essential in composition of genetic basis in breeding programs. The Scott-Knott test detected variability among genotypes, grouped into up to four mean groups. Leaf anatomy traits presented the largest variations. Five out of seven leaf anatomy traits presented heritability higher than 80%, with emphasis on stomatal density (95.69%) and stomatal pore length (92.72%). Positive correlations were observed among morpho-agronomic and anatomic traits. Cluster analysis used the Mahalanobis general distance (D2) as a measure of genetic dissimilarity and divided the genotypes into two distinct groups. The inclusion of leaf anatomic traits to characterize C. canephoragenotypes may assist plant breeders with better genetic discrimination and with greater security in plant selection when composing cultivars.Item Morpho-agronomic and leaf anatomical traits in Coffeacanephora genotypes(Universidade Federal de Santa Maria, 2022-11-28) Silva, Larícia Olária Emerick; Schmidt, Raquel; Almeida, Rafael Nunes de; Feitoza, Rodrigo Barbosa Braga; Cunha, Maura da; Partelli, Fábio LuizGenetic variability is the basis for coffee genetic breeding. This study evaluated the potential of leaf anatomy and morpho-agronomic traits in studies of genetic variability in C. canephoracultivars. Ten genotypes were distributed in randomized block designs with three replicates. Significant differences among genotypes were detected by F-test (P < 0.05) for 13 of 15 evaluated traits. These results evidenced the heterogeneity of the studied cultivars, which is essential in composition of genetic basis in breeding programs. The Scott-Knott test detected variability among genotypes, grouped into up to four mean groups. Leaf anatomy traits presented the largest variations. Five out of seven leaf anatomy traits presented heritability higher than 80%, with emphasis on stomatal density (95.69%) and stomatal pore length (92.72%). Positive correlations were observed among morpho-agronomic and anatomic traits. Cluster analysis used the Mahalanobis general distance (D2) as a measure of genetic dissimilarity and divided the genotypes into two distinct groups. The inclusion of leaf anatomic traits to characterize C. canephoragenotypes may assist plant breeders with better genetic discrimination and with greater security in plant selection when composing cultivars.Item Tributun: a coffee cultivar developed in partnership with farmers(Crop Breeding and Applied Biotechnology, 2020) Partelli, Fábio Luiz; Giles, João Antonio Dutra; Oliosi, Gleison; Covre, André Monzoli; Ferreira, Adésio; Rodrigues, Valcir MeneguelliTributun is a cultivar of Coffea canephora derived from breeding clones discovered by farmers. It was evaluated at 150 m asl in northern Espírito Santo for yield, plant vigor and pest and disease resistance. The cultivar with six genotypes produces a mean yield of 90.87 bags ha-1 year-1.Item Andina - first clonal cultivar of high-altitude conilon coffee(Crop Breeding and Applied Biotechnology, 2019) Partelli, Fábio Luiz; Golynski, Adelmo; Ferreira, Adésio; Martins, Madlles Queiroz; Mauri, Aldo Luiz; Ramalho, José Cochicho; Vieira, Henrique DuarteAndina is a conilon coffee variety originated from a selection of clones discovered by farmers. It was cultivated and evaluated for yield and plant vigor an altitude of 850m asl. Five genotypes (A1, NV2, NV8, P1 and Verdim TA), with a mean yield of 51.3 bags per hectare per year.Item Variabilidade do peso maduro e peso pilado de diferentes genótipos de café conilon no Espírito Santo(Embrapa Café, 2018) Dalazen, Jéssica Rodrigues; Oliosi, Gleison; Oliveira, Henrique Falqueto; Salvador, Henzo Pezzin; Partelli, Fábio LuizObjetivou-se com esse trabalho verificar a relação entre o peso maduro dos frutos e o peso beneficiado dos grãos de diferentes genótipos de C. canephora, no município de Nova Venécia, Espírito Santo.Item Massa e volume de grãos processados de diferentes genótipos de Coffea canephora no noroeste do Espírito Santo(Embrapa Café, 2018) Dalazen, Jéssica Rodrigues; Oliosi, Gleison; Oliveira, Henrique Falqueto; Salvador, Henzo Pezzin; Silva, Cleidson Alves da; Partelli, Fábio LuizObjetivou-se com esse trabalho verificar a relação entre o massa beneficiado e volume beneficiado dos grãos de diferentes genótipos de C. canephora, no município de Nova Venécia, Espírito Santo.Item Desenvolvimento inicial de genótipos com potencial para tolerância a défict hídrico arborização(Embrapa Café, 2018) Partelli, Fábio Luiz; Stocco, Daglys; Covre Júnior, Carlos André; Oliosi, Gleison; Dubberstein, DaniellyObjetivou-se avaliar o desenvolvimento inicial de 20 genótipos de C. canephora com potencial para tolerância ao déficit hídrico e arborização.Item Variabilidade de características físicas de frutos em genótipos de Coffea canephora em lavoura comercial no norte do estado do Espírito Santo(Embrapa Café, 2017) Dalazen, Jéssica Rodrigues; Oliosi, Gleison; Rocha, Juan Ricardo; Oliveira, Henrique Falqueto; Partelli, Fábio LuizObjetivou-se com esse trabalho verificar a relação entre o peso e volume dos grãos de diferentes genótipos de Coffea canephora, no município de Nova Venécia, Espírito Santo.Item Dimensões dos frutos de 43 genótipos de Coffea canephora, cultivado no Espírito Santo(Embrapa Café, 2017) Dalazen, Jéssica Rodrigues; Oliosi, Gleison; Morais, Andreia Lopes; Partelli, Fábio LuizO objetivo do trabalho foi analisar características morfológicas dos frutos de café de 43 genótipos de Coffea canephora, na colheita de 2017, cultivado em Nova Venécia, Espírito Santo.Item Vantagens do uso de clones no cultivo de cafeeiros canéfora (conilon e robusta)(Embrapa Rondônia, 2011-10) Espindula, Marcelo Curitiba; Partelli, Fábio LuizEsta revisão tem por objetivo demonstrar os benefícios da utilização de mudas produzidas por estaquia (clonagem), para formação de lavouras de cafeeiros canéfora ‘Conilon’ e ‘Robusta’.