期刊名称：International Journal of Biodiversity and Conservation
电子版ISSN：2141-243X
出版年度：2019
卷号：11
期号：9
页码：252-265
DOI：10.5897/IJBC2018.1246
语种：English
出版社：Academic Journals
摘要：Patterns of climatic variables are likely to change significantly in the coming century, with important but poorly-understood consequences for plant communities. This experiment determined how seeds of P. sylvestris collected from different elevations in two geographical regions performed when placed in simulated moisture stress conditions. Eight provenances from two regions (Norway and France) were chilled for zero and four weeks at 4±1°C and then germinated at 10 and 20°C, at water potentials of -0.3, -0.6 and -0.9 MPa. Moisture stress resulted in delayed germination and reduced germination capacity, and there was no germination at a water potential of -0.9 MPa. Provenances from high elevations were the most susceptible to moisture stress.
