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Seed Germination in Cistus ladanifer: Heat Shock, Physical Dormancy, Soil Temperatures and Significance to Natural Regeneration

Authors
  • Dias, Luís Silva
  • Pereira, Isabel Pires
  • Dias, Alexandra Soveral
Publication Date
Mar 12, 2019
Source
MDPI
Keywords
Language
English
License
Green
External links

Abstract

C. Non-dormancy was consistently found in about 30% of seeds but no evidence was obtained to support the existence of physical dormancy in the dormant fraction of C. ladanifer seeds. Two complementary processes seem to be in place in seeds response to fire. A direct fire-driven increase in germination of virtually all seeds in response to the appropriate heat load produced by fire or, in the absence of such heat loads, the germination of the non-dormant fraction provided that above-ground vegetation burns.

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