Data/hora: 09/06/2024 06:31:54

Provedor de dados: 	Brazilian Archives of Biology and Technology	
País: 	Brazil	
Título: 	Seed germination in Miconia theaezans (Bonpl.) Cogniaux (Melastomataceae)	
Autores: 	Godoi,Simone; Takaki,Massanori.	
Data: 	2007-07-01	
Ano: 	2007	
Palavras-chave: 	Light; Seed germination; Temperature.	
Resumo: 	The effects of light and temperature were studied on the seeds of Miconia theazeans by isothermic and alternating temperature incubations. The optimum temperature for seed germination was determined by final percentage and germination rates as located in the range of 27.5 to 30 °C and by germination kinetics at the range of 19.5 to 30 °C. The germination was dependent on diffusion processes. The minimum and maximum temperatures were 12.5-15°C and 32.5-35°C, respectively. The seeds showed strong light dependence for germination with the necessity of daily 4-6 h white light irradiation for the maximum induction of germination. However, under 30-20 °C alternating temperatures, daily 2 hours white light was enough to induce germination and attained maximum under 4 h photoperiod. The results indicated that M. theazeans presented characteristics of early successional species.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000400002	
Editor: 	Instituto de Tecnologia do Paraná - Tecpar	
Relação: 	10.1590/S1516-89132007000400002	
Formato: 	text/html	
Fonte: 	Brazilian Archives of Biology and Technology  v.50 n.4 2007	
Fonte: 	info:eu-repo/semantics/openAccess