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Biblioteca(s):  Embrapa Café.
Data corrente:  26/01/2022
Data da última atualização:  26/01/2022
Tipo da produção científica:  Artigo em Periódico Indexado
Autoria:  ALMEIDA, D. P. de; CAIXETA, E. T.; MOREIRA, K. F.; OLIVEIRA, A. C. B. de; FREITAS, K. N. P. de; PEREIRA, A. A.; ROSADO, R. D. S.; ZAMBOLIM, L.; CRUZ, C. D.
Afiliação:  DÊNIA PIRES DE ALMEIDA, UFV; EVELINE TEIXEIRA CAIXETA MOURA, CNPCa; KAROLINY FERREIRA MOREIRA, UFV; ANTONIO CARLOS BAIAO DE OLIVEIRA, CNPCa; KÁTIA NOGUEIRA PESTANA DE FREITAS, UFV; ANTÔNIO ALVES PEREIRA, EPAMIG; RENATO DOMICIANO SILVA ROSADO, UFV; LAÉRCIO ZAMBOLIM, UFV; COSME DAMIÃO CRUZ, UFV.
Título:  Marker-assisted pyramiding of multiple disease resistance genes in coffee genotypes (coffea arabica).
Ano de publicação:  2021
Fonte/Imprenta:  Agronomy, v. 11, n. 9, 1763, 2021.
DOI:  https://doi.org/10.3390/agronomy11091763
Idioma:  Inglês
Conteúdo:  The use of resistant cultivars is the most effective strategy for controlling coffee leaf rust caused by the fungus Hemileia vastatrix. To assist the development of such cultivars, amplified fragment-length polymorphism (AFLP) markers linked to two loci of coffee resistance to races I and II as well as pathotype 001 of H. vastatrix were converted to sequence-characterized amplified region (SCAR) and cleaved amplified polymorphic site (CAPS) markers. In total, 2 SCAR markers and 1 CAPS marker were validated in resistant and susceptible parents as well as in 247 individuals from the F2 population. The efficiency of these markers for marker-assisted selection (MAS) was evaluated in F2:3 and backcross (BCrs2) populations genotyped with the developed markers and phenotyped with race II of H. vastatrix. The markers showed 90% efficiency in MAS. Therefore, the developed markers, together with molecular markers associated with other rust resistance genes, were used for F3:4 and BCrs3 coffee selection. The selected plants were analyzed using two markers associated with coffee berry disease (CBD) resistance, aiming for preventive breeding. MAS of F3:4 and BCrs3 individuals with all resistance loci was feasible. Our phenotypic and genotypic approaches are useful for the development of coffee genotypes with multiple genes conferring resistance to coffee leaf rust and CBD.
Thesagro:  Hemileia Vastatrix.
Thesaurus Nal:  Chromosome mapping; Colletotrichum kahawae; Plant breeding.
Categoria do assunto:  --
URL:  https://ainfo.cnptia.embrapa.br/digital/bitstream/item/230546/1/marker-assisted-pyramiding.pdf
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Café (CNPCa)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status URL
CNPCa - SAPC1568 - 1UPCAP - DD
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Registro Completo

Biblioteca(s):  Embrapa Semiárido.
Data corrente:  18/02/2021
Data da última atualização:  18/02/2021
Tipo da produção científica:  Artigo em Periódico Indexado
Circulação/Nível:  B - 1
Autoria:  ARAÚJO JÚNIOR, G. do N.; SILVA, T. G. F. da; SOUZA, L. S. B. de; SOUZA, M. de S.; ARAUJO, G. G. L. de; MOURA, M. S. B. de; SANTOS, J. P. A. de S.; JARDIM, A. M. da R. F.; ALVES, C. P.; ALVES, H. K. M. N.
Afiliação:  George do Nascimento Araújo Júnior; Thieres George Freire da Silva; Luciana Sandra Bastos de Souza; Marcondes de Sá Souza; GHERMAN GARCIA LEAL DE ARAUJO, CPATSA; MAGNA SOELMA BESERRA DE MOURA, CPATSA; João Pedro Alves de Souza Santos; Alexandre Maniçoba da Rosa Ferraz Jardim; Cleber Pereira Alves; Hygor Kristoph Muniz Nunes Alves.
Título:  Productivity, bromatological composition and economic benefits of using irrigation in the forage cactus under regulated deficit irrigation in a semiarid environment.
Ano de publicação:  2021
Fonte/Imprenta:  Bragantia, v. 80, jan. 2021.
DOI:  http://dx.doi.org/10.1590/1678-4499.20200390
Idioma:  Inglês
Conteúdo:  The use of irrigation can improve the productivity and nutritional quality of the forage cactus in environments with a water deficit, resulting in profit to the producer. The productive performance, bromatological composition and economic benefits of using irrigation were investigated in this study with forage cactus clones regulated deficit irrigation (RDI). The study was conducted in an experimental design of randomised blocks, in a factorial scheme with subdivided plots. The plots consisted of water regimes based on the crop evapotranspiration (ETc) (rainfed, 40, 80 and 120% ETc). The cactus clones [?Miúda? (MIU), ?Orelha de Elefante Mexicana? (OEM) and ?IPA Sertânia? (IPA)] comprised the subplots. The total number of cladodes per plant, the fresh and dry matter yields and the bromatological composition were evaluated. Economic viability was assessed using the net revenue and benefit to cost ratio (BCR). The irrigation depths did not increase the yield of the clones. The OEM clone showed 276 and 343% greater fresh and dry matter production, respectively, when compared to the IPA clone; however, when compared with the MIU clone, it was 63%, both on a fresh and dry matter production. The water regimes had no effect on the nutritional quality of the cactus. Only IPA showed no profit during the first cycle (BCR < 1). It can be concluded that planting one irrigated hectare with the OEM and MIU clones offer economic returns starting from the first production cycle (18 months).
Palavras-Chave:  Composição bromatológica; Déficit hídrico; Estresse hídrico; Viabilidade econômica.
Thesagro:  Irrigação; Opuntia Ficus Indica; Palma Forrageira; Pastagem.
Thesaurus NAL:  Opuntia ficus-indica; Pastures.
Categoria do assunto:  L Ciência Animal e Produtos de Origem Animal
URL:  https://ainfo.cnptia.embrapa.br/digital/bitstream/item/221229/1/Productivity-bromatological-composition-and-economic-2021.pdf
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Semiárido (CPATSA)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status
CPATSA59413 - 1UPCAP - DD
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