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Embryo rescue and development of Juniperus oxycedrus subsp. oxycedrus and macrocarpa

AuthorsCantos, Manuel ; Cuerva, J.; Zárate, Rafael; Troncoso de Arce, Antonio
Issue Date1998
PublisherInternational Seed Testing Association
CitationSeed Science and Technology 26(1): 193-198 (1998)
AbstractGermination of intact seeds, seeds without testa and isolated embryos of two subspecies of Juniperus oxycedrus (oxycedrus and macrocarpa) was compared both in vitro and under greenhouse conditions (for imtact and seeds without testa). Intact seeds did not germinate in the greenhouse or in vitro. Seeds without testa did not germinate under greenhouse conditions, altough these showed a low response in vitro (12%) on 1/3 strength of Murashige and Skoog medium with 3% sucrose with and without 0.5 g l-1 of GA3. However, isolated embryos in vitro reached germination levels of about 50% on the same media, providing a promising method for improving germination and propagation of Juniperus oxycedrus. Acclimatation of plantlets in soil under greenhouse conditions was very successful. The survival rate was 80% and the average plant height after one year was 20 cm.
Description6 pages, 4 tables, 15 references.
Appears in Collections:(IRNAS) Artículos
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