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1 September 2003 PHOTOAUTOTROPHIC CULTURE CONDITIONS AND PHOTOSYNTHETIC PHOTON FLUX INFLUENCE GROWTH OF LILIUM BULBLETS IN VITRO
LIAN MEI-LAN, H. N. MURTHY, PAEK KEE-YOEUP
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Abstract

Lilium Asiatic hybrid ‘Mona’ bulblets were cultured in vitro for 100 d under photoautotrophic (CO2-enriched conditions and without sucrose in the medium) and heterotrophic (non-enriched CO2 conditions and sucrose-supplemented medium) methods and under various levels of photosynthetic photon flux (PPF). Bulblet growth and net photosynthetic rate (NPR) were analyzed. CO2- and PPF-enriched conditions enhanced the overall growth of bulblets, scale leaves, and roots. Heterotrophic conditions enhanced bulblet growth but higher PPF levels were inhibitory to the development of scale leaves. These results indicate the CO2- and PPF-enriched conditions (photoautotrophic conditions) are beneficial for the production of high-quality bulblets of Asiatic hybrid lilies in vitro.

LIAN MEI-LAN, H. N. MURTHY, and PAEK KEE-YOEUP "PHOTOAUTOTROPHIC CULTURE CONDITIONS AND PHOTOSYNTHETIC PHOTON FLUX INFLUENCE GROWTH OF LILIUM BULBLETS IN VITRO," In Vitro Cellular and Developmental Biology - Plant 39(5), 532-535, (1 September 2003). https://doi.org/10.1079/IVP2003440
Received: 23 April 2002; Accepted: 1 April 2003; Published: 1 September 2003
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KEYWORDS
heterotrophic
Net photosynthetic rate
Photoautotrophic
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