Specific Features of Development of Megagametophytes and Embryos of the Siberian Stone Pine in vitro

Specific Features of Development of Megagametophytes and Embryos of the Siberian Stone Pine in vitro Seedlings were grown in vitro from fertilized eggs and immature embryos of the Siberian stone pine. Cultivation of megagametophytes on a hormone-containing Murashige-Skoog medium from the egg formation until the globular embryo stage made it possible to manipulate fertilization and embryogenesis. Immature embryos are the most promising for in vitrocultivation. Their maturation and germination proceed within seven days of cultivation. When zygotic embryos were cultivated, adventitious buds were formed from cells at the cotyledon base and tips. When adventitious buds were subcultivated on a medium containing benzylaminopurine and naphthylacetic acid, organogenic callus and shoots were formed. Thus, cultivation of megagametophytes and embryos of the Siberian stone pine led to the completion of embryogenesis and formation of viable of seedlings. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Specific Features of Development of Megagametophytes and Embryos of the Siberian Stone Pine in vitro

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1023/A:1024996516398
Publisher site
See Article on Publisher Site

Abstract

Seedlings were grown in vitro from fertilized eggs and immature embryos of the Siberian stone pine. Cultivation of megagametophytes on a hormone-containing Murashige-Skoog medium from the egg formation until the globular embryo stage made it possible to manipulate fertilization and embryogenesis. Immature embryos are the most promising for in vitrocultivation. Their maturation and germination proceed within seven days of cultivation. When zygotic embryos were cultivated, adventitious buds were formed from cells at the cotyledon base and tips. When adventitious buds were subcultivated on a medium containing benzylaminopurine and naphthylacetic acid, organogenic callus and shoots were formed. Thus, cultivation of megagametophytes and embryos of the Siberian stone pine led to the completion of embryogenesis and formation of viable of seedlings.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Oct 7, 2004

References

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