Abstract

Spergularia marina produced flowers and fruits from June through November under field conditions in an inland saline environment. Seeds collected from plants over several growing seasons had different levels of dormancy. The environmental conditions to which parent plants were exposed at the time of seed production in the field influenced S. marina seed germinability. Seeds collected monthly responded differently to varying levels of salinity, indicating that parental environments influenced both the salt tolerance and relative germinability of seeds when they were exposed to salt stress. Laboratory-grown plants from seeds collected during the monthly intervals produced dormant seeds independent of the level of their parental seed germinability.

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