J Integr Plant Biol. ›› 1981, Vol. 23 ›› Issue (1): -.
• Research Articles •
Jia Jing-fen, Gu Zhu-ping and Cheng Kuo-chang
Abstract: Anthers with the filament of lily (Lilium davidii var. Willmottiae (Wilson) Roffill) were planted on modified MS medium. Filament cultures were incubated at 25℃± 1℃, and illuminated with a fluorescent light of about 800–1200 lux. Cultured filaments were initially short in length, but gradually became thicker and elongater after 20 days. After 30 days, the calli (about 2 mm in size) were produced. The calli were then transferred to the differentiation medium. After 20 days, the bulblets were developed from the calli, and the regeneration plants were formed after 40 days for tetraploid induction, plantlets were treated by aqueous solution of colchicine. A preliminary ploidy analysis of the root tip cells of these treated plants indicated that it was predominantly tetraploid (4n=48) Of 56 mitotic figures examined, 19 were tetraploid, 10 were diploid and 27 were aneuploid. The intercellular migrating chromatin substance appeared in the calli were also observed.
Jia Jing-fen, Gu Zhu-ping and Cheng Kuo-chang. Tissue Culture of Lily Filament and Its Cytological Observations[J]. J Integr Plant Biol., 1981, 23(1): -.
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