In vitro culture of zygotic embryos of Ilex species
2001
Sansberro, P.A. | Rey, H.Y. | Mroginski, L.A.
Plants of Ilex argentina L., I. brasiliensis (S.) L., I. brevicuspis R., I. dumosa R., I. integerrima (V.C.) L., I. microdonta R., I. pseudoboxus R., and I. theezans C.M. were obtained by immature embryo culture. Heart-stage zygotic embryos were removed from immature fruits and cultured aseptically on quarter-strength Murashige and Skoog medium with 3% sucrose, 0.65% agar, and 0.1 mg(.)L-1 zeatin. Cultures were incubated at 27 +/- 2 degrees C for 4 weeks, in darkness and subsequently transferred to a culture room with a 14-hour photoperiod (116 micromol(.)m-2(.)s-1) for another 4 weeks. Seedlings with two leaves derived from germinated embryos, were successfully transplanted to pots containing 1 peat:1 perlite:1 sand (v/v) and were maintained in greenhouse conditions. From 95% to 100% of transplanted seedlings survived.
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