A system for year-Round Flowering of Lilium rubellum Baker by Manipulating Chilling Temperatures, Storage Duration, and Planting Time.
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Accession number;99A0922088
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| Title;A system for year-Round Flowering of Lilium rubellum Baker by Manipulating Chilling Temperatures, Storage Duration, and Planting Time. |
| Author;
IKEDA YUKIHIRO
(Hyogo Prefect. Agric. Inst.,)
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Journal Title;Journal of the Japanese Society for Horticultural Science
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Journal Code:F0626A
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ISSN:0013-7626
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VOL.66;NO.2;PAGE.371-377(1997)
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| Figure&Table&Reference;FIG.1, TBL.3, REF.10 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;This study was carried out to establish a year-round production system of Lilium rubellum by retarding or accelerating the flowering process. the system involved alternating temperatures during a long or short cold storage of bulbs. 1. Flowering was successfully retarded from mid-July to late December by storing bulbs at 0.DEG.C. from late December of the previous year, and planting them in a glasshouse from 22 June to 22 November. Planting the chilled bulbs during the summer reduced the flowering percentage and the number of days from planting to flowering. It also stunted plant growth and yielded poor quality flowers. However, such adoverse effects were partly prevented and flower quality improved by planting the bulbs in a glasshouse maintained at 25/15.DEG.C. (day/night). 2. Flowering was adovanced to early February by harvesting bulbs in mid-September, precooling them at 13.DEG.C. for 2 weeks and then at 0.DEG.C. for 12 weeks, and then planting the bulbs in a glasshouse kept at 10-23.DEG.C.. Precooling bulbs at 13.DEG.C. for 2 weeks hastened development of flower buds as compared to those kept in pots and lifted 2 weeks later. Flowers of good quality were obtained when bulbs were subjected to chilling at 0.DEG.C. when the inner perianth was differentiating. 3. Flowers of good quality were obtained from early April onwards by exposing plants to naturally low temperatures until late February and then transferring them to a glasshouse kept between 10 and 23.DEG.C.. (author abst.) |
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