Somatic embryogenesis and regeneration of plantlets in protoplast cultures from somatic embryos of coffee (Coffea canephora P. ex Fr)
Somatic embryogenesis was achieved in protoplast cultures of coffee. Protoplasts were isolated from cell suspension-derived somatic embryos of Coffea canephora. After repeated subculture in a medium supplemented with 0.5 mg/1 of each of kinetin, 2,4-dichloro-phenoxyacetic acid (2,4-D), and naphthaleneacetic acid (NAA), microcalli developed. Transfer of these microcalli to a medium lacking growth regulators resulted in the formation of globular embryos. Upon subculture without growth regulators they grew to well-differentiated embryos, eventually some of them developed to plantlets which were transferred to the greenhouse for further observation. (ICO. Library Monthly Entries no. 84:15. 1987)
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| Format: | biblioteca |
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1987
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| Subjects: | COFFEA CANEPHORA, EMBRIOGENESIS SOMATICA, PROTOPLASTOS, CULTIVO DE PROTOPLASTOS, |
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