Chapter title |
Histological Evidence of Indirect Somatic Embryogenesis from Immature Female Date Palm Inflorescences
|
---|---|
Chapter number | 12 |
Book title |
Date Palm Biotechnology Protocols Volume I
|
Published in |
Methods in molecular biology, January 2017
|
DOI | 10.1007/978-1-4939-7156-5_12 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7155-8, 978-1-4939-7156-5
|
Authors |
Zayed, Eman M. M., Abdelbar, Ola H., Eman M. M. Zayed, Ola H. Abdelbar |
Abstract |
Rapid production of somatic embryogenesis and date palm regeneration is achieved by culturing immature female inflorescence explants. Inflorescence explants are soft, creamy in color, average 6-7 cm in length, and cultured on Murashige and Skoog (MS) medium containing 1 mg/L thidiazuron (TDZ). Callus induction occurs after 4-5 weeks of culture on the callus induction medium. Subsequently, callus develops embryogenic calli on MS medium supplemented with 0.1 mg/L naphthalene acetic acid (NAA). Histological samples were collected successively at the culturing time and during morphogenetic changes throughout the developmental stages of somatic embryos. Initiation of callus and different successive developmental stages for somatic embryos including two-celled, four-celled, globular, bipolar, and fully developed cotyledonary somatic embryos were observed. Mature somatic embryos develop within 10-12 weeks after culture establishment. |
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