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Does Seed Dormancy Play a Role in the Germination Ecology of Rumex crispus?

Published online by Cambridge University Press:  12 June 2017

Jerry M. Baskin  and
Carol C. Baskin
Jerry M. Baskin
Affiliation:
School of Biol. Sci., Univ. of Kentucky, Lexington, KY 40506–0225
Carol C. Baskin
Affiliation:
School of Biol. Sci., Univ. of Kentucky, Lexington, KY 40506–0225
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Abstract

Seed dormancy does not play a role in the germination ecology of curly dock (Rumex crispus L. ♯ RUMCR). This study confirms reports that freshly matured seeds are nondormant, and it shows that buried seeds exposed to natural seasonal temperature changes remain nondormant. From October 1981 through June 1983, seeds exhumed at monthly intervals germinated 80 to 100% at all thermo-periods. These results do not support suggestions that seeds of curly dock buried in soil enter dormancy. However, the results do explain why seeds of this species in the Beal and Duvel buried-seed experiments germinated when exhumed at various times during the growing season.

Keywords

Buried seedslight-requiring seedsviabilityRUMCR
Type
Weed Biology and Ecology
Information
Weed Science , Volume 33 , Issue 3 , May 1985 , pp. 340 - 343
Copyright
Copyright © 1985 by the Weed Science Society of America 

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References

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