Temperatura y germinación de las semillas de Dalbergia retusa (Papilionaceae), árbol en peligro de extinción

 

Salvato in:
Dettagli Bibliografici
Autori: García, Elmer G, Di Stéfano, José F
Natura: artículo original
Status:Versión publicada
Data di pubblicazione:2000
Descrizione:The effec! of ternperature over Dalbergia retusa Hernsl. germination was studied in the laboratory. Seeds were disinfected and placed in Petri dishes for germination at 15, 20, 25, 30, 35, 40, and 45 oc. Germination percentage and the hypocotyl-radicle length were rneasured after three and five days. The highest germinatíon (85.6%) was obtaíned at 30 oc. Lower temperatures did no! favor germination. Sorne seeds were able lo germinate at 40 and 45 oC, a physiological adaptation to hol environrnents.
Stato:Portal de Revistas UCR
Istituzione:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Lingua:Español
OAI Identifier:oai:portal.ucr.ac.cr:article/18148
Accesso online:https://revistas.ucr.ac.cr/index.php/rbt/article/view/18148
Keyword:dalbergia retusa
germinatíon
ternperature
seeds
temperature adaptation