Data/hora: 01/06/2024 15:19:47

Biblioteca(s): | Embrapa Café.
Tipo da produção científica: | Artigo em Periódico Indexado
Circulação/Nível: | B - 1
Data corrente: | 09/05/2019
Data da última atualização: | 09/05/2019
Autoria: | SOUZA, A. C. de; ROSA, S. D. V. F. da; VILELA, A. L.; FIGUEIREDO, M. A. de; VILELA, A. L. de O.; STÉPHANO FILHO, R.; CARVALHO, M. A. de F.
Afiliação: | Ana Cristina de Souza, Universidade Federal de Lavras - UFLA/Departamento de Agricultura - DAG; STTELA DELLYZETE VEIGA F DA ROSA, CNPCa; Amanda Lima Vilela, Universidade Federal de Lavras - UFLA/Departamento de Agricultura - DAG; Madeleine Alves de Figueiredo, Universidade Federal de Lavras - UFLA/Departamento de Agricultura - DAG; Ana Luiza de Oliveira Vilela, Universidade Federal de Lavras - UFLA/Departamento de Agricultura - DAG; Ricardo Stéphano Filho, Universidade Federal de Lavras - UFLA/Departamento de Agricultura - DAG; MILENE ALVES DE FIGUEIREDO CARVALHO, CNPCa.
Título: | Big coffee VL: seed desiccation tolerance, sieve classification, and physiological quality.
Ano de publicação: | 2018
Fonte/Imprenta: | Coffee Science, Lavras, v. 13, n. 4, p. 510 - 518, oct./dec. 2018
Idioma: | Inglês
Notas: | Título em português: Big coffee VL: tolerância a dessecação de sementes, classificação em peneiras e qualidade fisiológica.
Conteúdo: | A coffee plant producing large fruit, seeds, and leaves in relation to conventional coffee plants, possibly generated by genetic mutation, was named Big Coffee VL. Seeds of this coffee plant were classified by size and used to establish the crop, whose progenies were designated as Big Coffee VL. large, Big Coffee VL. medium, and Big Coffee VL. small. The aim in this study was to investigate desiccation tolerance, together with size classification, and evaluate the physiological quality of the seeds of this progeny. Seeds of each type of Big Coffee VL. and of the cultivar Topázio were collected. High moisture seeds and seeds dried to 11% moisture content were evaluated to assess desiccation tolerance. Dried seeds of each Big Coffee VL. progeny and of the Topázio cultivar were classified by size in sieve testing using oblong screens for separation of peaberry seeds, and circular sieves from 22 to 12 for separation of flat seeds. All seeds were subjected to physiological evaluation through the germination test and determination of seedling dry matter. A completely randomized experimental design (CRD) was used; results were subjected to analysis of variance and means compared by the Scott-Knott test. Big Coffee VL. seeds tolerate desiccation to moisture content of 11% wet basis. Seeds of the Topázio cultivar have better physiological performance than seeds of the Big Coffee VL progenies. The bigger the seeds of Big Coffee VL., the better their physiological performance, exhibiting greater seedling dry matter.
Palavras-Chave: | Germination test; Particle size analysis sieves; Peneiras de análise granulométrica; Seed size; Tamanho da semente; Teste de germinação.
Thesagro: | Coffea Arábica.
Thesaurus Nal: | Vigor.
Categoria do assunto: | --
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/197184/1/Big-coffee-VL-seed-desiccation.pdf
Registro original: | Embrapa Café (CNPCa)
Exemplares: | CNPCa - (1306-1) - UPC - AP - DD -  -  -  - DIS