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

Jerry M. Baskin and Carol C. Baskin
Weed Science
Vol. 33, No. 3 (May, 1985), pp. 340-343
Stable URL: http://www.jstor.org/stable/4044268
Page Count: 4
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Does Seed Dormancy Play a Role in the Germination Ecology of Rumex crispus?
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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 thermoperiods. 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.

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