The regulation of secondary dormancy. The membrane hypothesis revisited

被引：94
作者：
Hilhorst, HWM [1 ]
机构：
[1] Agr Univ Wageningen, Dept Plant Physiol, NL-6703 BD Wageningen, Netherlands
来源：
SEED SCIENCE RESEARCH | 1998年 / 8卷 / 02期
关键词：
secondary dormancy; homeoviscous adaptation; membrane; seed ecology; seedbank; germination;
D O I：
10.1017/S0960258500003974
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Secondary dormancy is predominantly associated with seed behaviour in soil seed banks. Periodic changes in secondary dormancy may explain seasonal emergence of weedy species. Temperature and possibly soil water potential appear to be the predominant factors that determine the annual cycling of dormancy. Dormancy cycling is paralleled by modulations of germination responsiveness to germination stimulants, such as light and nitrate and to the width of the germination temperature window. Membranes have been proposed to be the primary target for the perception of temperature. It is hypothesized that alterations In properties of cellular membranes are involved in the regulation of dormancy. Possible mechanisms are discussed.
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收藏
页码：77 / 90
页数：14
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