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Sökning: L773:2041 2851 > (2012-2014) > Seed germination an...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004038naa a2200433 4500
001oai:DiVA.org:liu-86584
003SwePub
008121219s2012 | |||||||||||000 ||eng|
009oai:slubar.slu.se:68338
024a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-865842 URI
024a https://doi.org/10.1093/aobpla/pls0072 DOI
024a https://res.slu.se/id/publ/683382 URI
040 a (SwePub)liud (SwePub)slu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Walck, Jeffery L.u Department of Biology, Middle Tennessee State University, USA4 aut
2451 0a Seed germination and seedling development ecology in world-wide populations of a circumboreal Tertiary relict
264 c 2012-03-13
264 1b Oxford University Press,c 2012
338 a electronic2 rdacarrier
520 a Background and aims Temperate forests are disjunct in the Northern Hemisphere, having become fragmented from the earlier widespread (Tertiary) boreotropical forest. We asked ‘What are the contemporary patterns of population variation in ecological traits of a Tertiary relict in a macroecological context?’. This issue underpins our understanding of variation in populations occurring in the same biome but on different continents.Methodology We examined characters associated with root and shoot emergences among populations of Viburnum opulus in temperate forests of Asia, North America and Europe. This species has complex seedling emergence extending over several years and requiring various temperature cues.Principal results Populations varied in germination responses and clustered into groups that were only partly related to varietal status. Whereas roots (at warm temperatures) and shoots (following a cold period) simultaneously emerged from seeds of all populations when simulated dispersal occurred in winter, they were delayed in some populations when dispersal occurred in summer.Conclusions Viburnum opulus populations, some separated by 10 300 km, showed high similarity in seedling development and in germination phenology, and we suggest that stabilizing selection has played a key role in maintaining similar dormancy mechanisms. Nevertheless, there was some degree of variation in other germination characters, suggesting local adaptation.
650 7a NATURVETENSKAPx Biologix Ekologi0 (SwePub)106112 hsv//swe
650 7a NATURAL SCIENCESx Biological Sciencesx Ecology0 (SwePub)106112 hsv//eng
650 7a NATURVETENSKAPx Biologix Botanik0 (SwePub)106072 hsv//swe
650 7a NATURAL SCIENCESx Biological Sciencesx Botany0 (SwePub)106072 hsv//eng
700a Karlsson, Laila M.u Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Linköpings universitet,Ekologi,Tekniska högskolan,Institutionen för växtproduktionsekologi,Department of Crop Production Ecology4 aut0 (Swepub:slu)47546
700a Milberg, Peru Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Linköpings universitet,Ekologi,Tekniska högskolan,Institutionen för växtproduktionsekologi,Department of Crop Production Ecology4 aut0 (Swepub:slu)52524
700a Hidayati, Siti N.u Department of Biology, Middle Tennessee State University, USA4 aut
700a Kondo, Tetsuyau Graduate School of Agriculture, Hokkaido University, Japan4 aut
710a Department of Biology, Middle Tennessee State University, USAb Ekologi4 org
710a Sveriges lantbruksuniversitet
773t AoB Plantsd : Oxford University Pressg , s. pls007-q <pls007-x 2041-2851
856u https://liu.diva-portal.org/smash/get/diva2:578979/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
856u https://academic.oup.com/aobpla/article-pdf/doi/10.1093/aobpla/pls007/17460776/pls007.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-86584
8564 8u https://doi.org/10.1093/aobpla/pls007
8564 8u https://res.slu.se/id/publ/68338

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