STORAGE OF Handroanthus umbellatus SEEDS


Autoria(s): Martins, Cibele Chalita; Silva Camargo Pinto, Monalisa Alves Diniz da
Contribuinte(s)

Universidade Estadual Paulista (UNESP)

Data(s)

18/03/2015

18/03/2015

01/07/2014

Resumo

Seed storage under controlled environmental conditions represents one of the most important lines of research to be applied on short-lived forest species as Handroanthus. The present research aimed to identify the most suitable seed storage conditions and longevity behavior of Handroanthus umbellatus seeds subject to the following storage treatments: packaging permeable paper bags under a no-controlled laboratory temperature and humidity (control) and multiwall semipermeable bag at temperatures of -18 degrees C ,1 degrees C and 25 degrees C. Seeds were dried to 6.3% of water content. Stored seeds were evaluated every three months until 24 months for water content, germination percentage and vigor utilizing first counting test. Seeds of T. umbellata are orthodox, with low longevity under natural conditions, once they remain viable for less than 5 months. The best conditions of seed preservation of these species were obtained by storage at -18 degrees C in multiwall bags. Under these conditions physiological seed quality remains unchanged for a 24-month period.

Formato

533-539

Identificador

http://dx.doi.org/10.5902/1980509815725

Ciencia Florestal. Santa Maria: Centro Pesquisas Florestais, Ufsm, v. 24, n. 3, p. 533-539, 2014.

0103-9954

http://hdl.handle.net/11449/117631

10.5902/1980509815725

WOS:000343280800002

WOS000343280800002.pdf

Idioma(s)

por

Publicador

Centro Pesquisas Florestais, Ufsm

Relação

Ciencia Florestal

Direitos

openAccess

Palavras-Chave #Tabebuia umbellata #Handroanthus eximius #seed preservation #vigor
Tipo

info:eu-repo/semantics/article