Qualidade física, fisiológica e sanitária de sementes de Schinus terebinthifolius Raddi de diferentes plantas matrizes

Detalhes bibliográficos
Ano de defesa: 2017
Autor(a) principal: Santos Neta, Maria das Mercês Serafim
Orientador(a): Não Informado pela instituição
Banca de defesa: Não Informado pela instituição
Tipo de documento: Dissertação
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Universidade Federal da Paraíba
Brasil
Ciências Fitotecnia e Ciências Ambientais
Programa de Pós-Graduação em Agronomia
UFPB
Programa de Pós-Graduação: Não Informado pela instituição
Departamento: Não Informado pela instituição
País: Não Informado pela instituição
Palavras-chave em Português:
Link de acesso: https://repositorio.ufpb.br/jspui/handle/123456789/16382
Resumo: Native to Brazil, Schinus terebinthifolius Raddi is a species known for the reddish-pink color of its fruits, which have great industrial economy importance, are sold as a condiment and also used for the recovery of degraded areas. This species can be sexually propagated, where studies regarding the seed quality to know its agronomic behavior are necessary. The present work was developed in the Laboratórios de Análise de Sementes and Fitopatologia of the Centro de Ciencias Agrárias of the Universidade Federal da Paraíba (CCA / UFPB), in Areia - PB, and aimed to evaluate the physical, physiological and sanitary quality of seeds of S. terebinthifolius, from 15 different mother plants located in Pocinhos - PB. Water content, color, one thousand seed weight, germination, vigor (first count, germination speed index (IVG), emergence, emergence speed index (IVE), length, root and shoot dry weight, in addition to a sanity test were evaluated. A completely randomized experimental design was used. The seeds of the mother plants used had low physiological potential and ranged from 2 to 36% among the plants in the same area considered as unsuitable for replanting due to the low vigor of the ir seeds. Potentially pathogenic fungi, characterized as field pathogens (Alternaria sp., Botrytis sp., Chaetomium sp., Cladosporium sp., Colletotrichum sp., Curvularia sp., Nigrospora sp., Pestalotia sp., Phitomices sp. and Phoma sp.) and storage (Aspergillus sp., A.niger, A. flavus, Fusarium sp., Penicillium sp. and Rhizopus sp.) were detected in the seed samples.