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KMID : 0903619980390060819
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Journal of the Korean Society for Horticultural Science
1998 Volume.39 No. 6 p.819 ~ p.823
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Fertilization Methods for Interspecific Hybridization of Lilies
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김승현/Kim, Seung Hyun
문두길/이종석/홍정/Moon, Doo Khil/Lee, Chong Suk/Hong, Jeong
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Abstract
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After pollination, pollen tube growth in the cross of L. longiflorum ´Nellie White´ (NW) × L. callosum (LC) was observed on the stigma, but not observed in the cross of L. callosum (LC) × L. longiflorum ´Nellie White´ (NW). The ovary enlargement was not observed in the both cross treatments (NW × LC and LC × NW) after ´pollination with 1/2 cut styles, but was observed only in the cross of NW × LC when pollinated with styles cut at 1-2 mm above ovaries. Approximately 12% of immature embryo was grown after the ovary enlargement. Pollination after cutting the styles at 1-2 mm above the ovaries, 0, 2 and 4 days after flowering in the cross of LC × NW did not induce the ovary enlargement, whereas 0.43, 10.76 and 9.52% of immature embryos were grown from enlarged ovaries in the cross of pollination of NW × LC, 0, 2 and 4 days after flowering, respectively. Ovaries in the cross of LC × NW was rapidly aborted 1 week after the pollination, whereas those in the cross of NW × LC showed maximum size 3-4 weeks after the pollination, and 14.7% and 11.60 of immature embryos were grown in vitro, and then the abortion occurred 5 weeks after the pollination.
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