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

 

محفوظ في:
التفاصيل البيبلوغرافية
المؤلفون: García, Elmer G, Di Stéfano, José F
التنسيق: artículo original
الحالة:Versión publicada
تاريخ النشر:2000
الوصف: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.
البلد:Portal de Revistas UCR
المؤسسة:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
اللغة:Español
OAI Identifier:oai:portal.ucr.ac.cr:article/18148
الوصول للمادة أونلاين:https://revistas.ucr.ac.cr/index.php/rbt/article/view/18148
Access Level:acceso abierto
كلمة مفتاحية:dalbergia retusa
germinatíon
ternperature
seeds
temperature adaptation