Indukcija somatske embriogeneze kod Pinus heldreichii u kulturi
Induction of somatic embryogenesis in Pinus heldreichii culture
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The potential for somatic embryogenesis in zygotic embryo and megagametophyte cultures of Pinus heldreichii was examined. Somatic embryogenesis was initiated from megagametophytes containing immature zygotic embryos at early stages of development. An induction frequency of up to 6.7% was obtained on Gresshoff and Doy medium in the presence of 2 mg/l 2,4-dichlorophenoxyacetic acid (2,4-D) and 0.5 mg/l benzyladenine (BA). Formation and further proliferation of embryogenic tissue were achieved upon transfer of explants to a medium with reduced levels of growth regulators. Somatic embryos are being cultured for further development. .
Keywords:conifers; Pinus heldreichii; somatic embryos; tissue culture
Source:Archives of Biological Sciences, 2007, 59, 3, 199-202