SciELO - Scientific Electronic Library Online

 
vol.32 número1POTENCIAL TÓXICO DE Esenbeckia pumila Pohl (Rutaceae) SOBRE Artemia salina E Atta sexdens rubropilosaCOMPONENTES DE PRODUÇÃO DA VIDEIRA ‘ISABEL PRECOCE’ SUBMETIDA À ADUBAÇÃO NITROGENADA E ORGÂNICA NO SEMIÁRIDO POTIGUAR índice de autoresíndice de assuntospesquisa de artigos
Home Pagelista alfabética de periódicos  

Serviços Personalizados

Journal

Artigo

Indicadores

Links relacionados

Compartilhar


Revista Caatinga

versão impressa ISSN 0100-316Xversão On-line ISSN 1983-2125

Resumo

SILVA, Fernando Henrique Alves da et al. PHYSICAL AND PHYSIOLOGICAL ATTRIBUTES OF SAVED COWPEA SEEDS USED IN THE BRAZILIAN SEMI-ARID REGION. Rev. Caatinga [online]. 2019, vol.32, n.1, pp.113-120.  Epub 09-Maio-2019. ISSN 0100-316X.  http://dx.doi.org/10.1590/1983-21252019v32n112rc.

This study evaluated the physical and physiological attributes of saved cowpea seeds (Vigna unguiculata L. Walp.) used in the Brazilian semi-arid area and compared them with certified seed varieties. The study tested 37 saved seed samples from the state of Rio Grande do Norte and two varieties of certified seeds (“BRS Guariba” and “BRS Pujante”) from the production field of Embrapa Products and Market, Petrolina, PE, Brazil. The seeds were tested for moisture, hectoliter weight, weight of 1,000 seeds, and physical purity to evaluate the physical quality. Germination, first germination count, field emergence, emergence rate index, shoot dry mass, and accelerated aging were tested for physiological quality. The saved cowpea seeds showed great differences, suggesting the influence of genetic variability and different growing environments. The use of saved cowpea seeds by small farmers in the semi-arid areas of Northeastern Brazil is impractical, because these seeds have inferior physical and physiological qualities compared to certified cowpea seeds.

Palavras-chave : Vigna unguiculata; Physical quality; Certified seed; Physiological potential.

        · resumo em Português     · texto em Inglês     · Inglês ( pdf )