Seed bank dynamics of Lythrum salicaria L. implications for control of this species in North America

Charles H. Welling, Roger L. Becker

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

The seed bank of Lythrum salicaria L. was studied in wetlands of mid-continent North America where this Eurasian species is considered a nuisance. Recruitment under conditions chosen to promote high rates of germination did not exhaust the seed bank in a 1-cm deep layer of wetland soil in experimental flats. Emergence of seedlings from experimentally buried seed decreased linearly (P = 0.0001, R2 = 0.89) from 90% at the soil surface to 0% at 2 cm. In the wetlands studied, there were 410 000 L. salicaria seeds m-2 in the top 5 cm of soil; 37% of these were found below a depth of 2 cm. The implications of these results for the control of this species are discussed.

Original languageEnglish (US)
Pages (from-to)303-309
Number of pages7
JournalAquatic Botany
Volume38
Issue number2-3
DOIs
StatePublished - Nov 1990

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