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Issue 17 (6) 2018 pp. 105-113

Mehdi Salehi1, Abdollah Hatamzadeh1, Vahab Jafarian2, Shahin Zarre3, Julian Cuevas4

1 Department of Horticultural Science, Faculty of Agricultural Science, University of Guilan, Rasht, Iran
2
Department of Biology, Faculty of Sciences, University of Zanjan, Zanjan, Iran
3
Department of Plant Sciences, School of Biology, Faculty of Sciences, University of Tehran, Tehran, Iran
4
Department of Agronomy, Faculty of Agricultural Science, University of Almeria, Almeria, Spain

FLOWER INITIATION AND DEVELOPMENT IN ENDEMIC IRANIAN LILY (Lilium ledebourii Boiss.)

Abstract:

This study was performed to depict the anatomical changes in apical meristems in order to determine the flower initiation and development of Iranian lily (Lilium ledebourii). Observations carried out by scanning electron microscope (SEM) on groups of bulbs with different age and size showed that only large (≥55 g and ≥6 cm in diameter) 9-year-old and older bulbs expressed flowering transition, abandoning the juvenile condition. The switch from vegetative to reproductive in the apical meristem was characterized by flattening its dome. Flower initiation started between 10 and 20 days after planting, once the bulbs have passed a period of vernalization of two months at 3°C. The first hint of floral organ definition was noted 30 to 50 days after planting when the outer perianths started to grow followed by inner perianths in a pattern of 3−3. After complementation of flower formation by stamen and pistil appearance and development, flower abortion occurred in some bulbs 30 days after flower initiation. Flower bud abortion could not be linked to the bulb size. Identification of the exact time of flower initiation will be useful to provide proper management of Iranian lily in the process of domestication of this endemic endangered lily.

pub/17_6_105.pdf Full text available in Adobe Acrobat format:
http://www.hortorumcultus.actapol.net/volume17/issue6/17_6_105.pdf
Keywords: Lilium ledebourii, flower development, bulb size, SEM

DOI: 10.24326/asphc.2018.6.11

For citation:

MLA Salehi, Mehdi, et al. "FLOWER INITIATION AND DEVELOPMENT IN ENDEMIC IRANIAN LILY (Lilium ledebourii Boiss.)." Acta Sci.Pol. Hortorum Cultus 17.6 (2018): 17. DOI: 10.24326/asphc.2018.6.11
APA Salehi, M., Hatamzadeh, A., Jafarian, V., Zarre, S., & Cuevas, J. (2018). FLOWER INITIATION AND DEVELOPMENT IN ENDEMIC IRANIAN LILY (Lilium ledebourii Boiss.). Acta Sci.Pol. Hortorum Cultus 17 (6), 17. DOI: 10.24326/asphc.2018.6.11
ISO 690 SALEHI, Mehdi, et al. FLOWER INITIATION AND DEVELOPMENT IN ENDEMIC IRANIAN LILY (Lilium ledebourii Boiss.). Acta Sci.Pol. Hortorum Cultus, 2018, 17.6: 17. DOI: 10.24326/asphc.2018.6.11
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