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    ARTICLE

    A cryopreservation protocol for immature zygotic embryos of species of Ilex (Aquifoliaceae)

    LUIS A. MROGINSKI*, PEDRO A. SANSBERRO, ADRIANA M. SCOCCHI, CLAUDIA LUNA, HEBE Y. REY

    BIOCELL, Vol.32, No.1, pp. 33-39, 2008, DOI:10.32604/biocell.2008.32.033

    Abstract Tropical Ilex species have recalcitrant seeds. This work describes experiments demonstrating the feasibility of long-term conservation of Ilex brasiliensis, I. brevicuspis, I. dumosa, I. intergerrima, I. paraguariensis, I. pseudoboxus, I. taubertiana, and I. theezans through cryopreservation of zygotic rudimentary embryos at the heart developmental stage. The embryos were aseptically removed from the seeds and precultured (7 days) in the dark, at 27± 2ºC on solidified (0.8% agar) 1/4MS medium, [consisting of quarterstrength salts and vitamins of Murashige and Skoog (1962) medium] with 3% sucrose and 0.1 mg/l Zeatin. The embryos were then encapsulated in 3% calcium alginate beads… More >

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