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Persistence and colonization by tree species in an environment following a fire depends on the effects on seed germination and seedling development. We used seeds of Kielmeyera coriacea and Qualea parviflora as a model to test the effects of high temperatures on germination and initial development of tree seedlings.
We exposed the seeds to heat flow (70, 100, 130, 150 or 170 °C) for 2 or 5 min...