Ecological Study of Rosette Formation of Eustoma Grandiflorum
洋桔梗莲座丛形成的生态学研究
基本信息
- 批准号:01560030
- 负责人:
- 金额:$ 1.54万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (C)
- 财政年份:1989
- 资助国家:日本
- 起止时间:1989 至 1990
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Rosette formation of young seedlings of Eustoma grandiflorum was induced by high temperature. Season had an additional (unknown) effect, especially on plants grown in intermediate temperatures.Bolting was reduced at 30 ^゚C and 35 ^゚C but not at 25 ^゚C.Exposing germinating seedlings to high temperatures for as little as 7 days reduced, and for more than 2 weeks completely inhibited bolting in plants subsequently grown at low temperatures.In conclusion, it is important to keep the seedlings under a condition with an average temperature at about 25 ^゚C and the minimum temperature lower than 20 ^゚C from the time of sowing until number of true leaves exceeds four to prevent the rosette induction. Especially, two weeks from the sowing is critical ; therefore, the temperature control during the period is most important.
高温诱导洋桔梗幼苗形成莲座丛。季节有额外的(未知的)影响,特别是在中等温度下生长的植物。在30 ^摄氏度和35 ^摄氏度下,抽薹减少,但在25 ^摄氏度下不减少。将发芽的幼苗暴露于高温下短至7天减少,并且超过2周完全抑制随后在低温下生长的植物的抽薹。总之,重要的是从播种时起将幼苗保持在平均温度约为25 ℃且最低温度低于20 ℃的条件下,直到真叶数超过4,以防止莲座丛诱导。特别是播种后两周是关键;因此,在此期间的温度控制是最重要的。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
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OHKAWA Kiyoshi其他文献
OHKAWA Kiyoshi的其他文献
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