Data/hora: 12/06/2024 01:01:45

Biblioteca(s): | Embrapa Semiárido.
Data corrente: | 02/09/2022
Data da última atualização: | 02/09/2022
Autoria: | SILVA, J. C. da; SILVA, J. de J.; SILVA, S. S. da; GOMES, R. A; DANTAS, B. F.
Afiliação: | JAMILLE CARDEAL DA SILVA, Universidade Estadual de Feira de Santana; JAILTON DE JESUS SILVA, Universidade Estadual de Feira de Santana; SIMONICA SOUSA DA SILVA, Universidade Estadual de Feira de Santana; RAQUEL ARAUJO GOMES; BARBARA FRANCA DANTAS, CPATSA.
Título: | Effect of long-term storage on viability of buffel grass (Cenchrus ciliaris L.) seeds.
Ano de publicação: | 2022
Fonte/Imprenta: | Journal of Seed Science, v. 44, e202244008, 2022.
DOI: | http://dx.doi.org/10.1590/2317-1545v44259954
Idioma: | Inglês
Conteúdo: | Prolonged storage of seeds may lead to decreases in seed quality, negatively affecting germination and vigor and preventing the obtaining of a promising stand. Seed quality is a critical factor, and the performance of the lot can be altered by vigor, dormancy and, mainly, by the time and conditions in which the seeds were stored. In the experiment, the physiological quality of seeds 14 genotypes of buffel grass (Cenchrus ciliaris L.) genotypes stored for a period of thirteen years in cold conditions was evaluated. The seeds were subjected to germination induction treatment with potassium nitrate (KNO3) and evaluated to identify seeds with presence and absence of embryos. The seed storage period affected their germination capacity and the use of KNO3 did not increase seed germination. A low number of full seeds was found for genotype 613 (12%). The relative germination percentages did not underestimate the buffel grass seed germination potential, as it is usually calculated, providing an improv ed distinction between the evaluated genotypes. The use of KNO3 increased the seedling root and shoot weights of some genotypes, as well as the dry matter weight of seedlings, an important characteristic for forage production. The prolonged storage affects the physiological quality of buffel grass seeds. The production of seeds without embryo is a problem found for this species, which affects the final quality of the seed lots produced.
Palavras-Chave: | Gramíneas forrageiras; Qualidade fisiológica.
Thesagro: | Armazenamento; Capim Buffel; Cenchrus ciliaris; Genótipo; Gramínea Forrageira; Produção de Sementes; Semente.
Thesaurus Nal: | Forage grasses; Genotype; Storage.
Categoria do assunto: | P Recursos Naturais, Ciências Ambientais e da Terra
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1146061/1/Effect-of-long-term-storage-on-viability-of-buffel-grass-2022.pdf
Registro original: | Embrapa Semiárido (CPATSA)
Exemplares: | CPATSA - (59970-1) - UPC - AP - DD -  -  -  - DIS