Dormancy and germination of sixRhinanthus species in relation to climate

被引:0
|
作者
Siny J. Ter Borg
机构
[1] Wageningen University,Group Nature Conservation and Plant Ecology, Department of Environmental Sciences
来源
Folia Geobotanica | 2005年 / 40卷
关键词
After-ripening; Cold stratification; Low temperature; Secondary dormancy; Table 2;
D O I
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中图分类号
学科分类号
摘要
The genusRhinanthus (Orobanchaceae) consists of annual hemiparasites that occur in a wide range of climates. Patterns of dormancy and germination were studied for six species sampled in areas ranging from the Pyrenees to Northern Scandinavia, and from sea level up to about 2500 m altitude in the Alpine region. Dormancy was broken by a 2 to 6 months period of cold stratification. Optimal temperature and length of the stratification period appeared to vary between and within species.
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页码:243 / 260
页数:17
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