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Do differences in p...
Do differences in plasticity during early growth lead to differing success in competition? A test using four co-occurring annual Papaver
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- Milberg, Per (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Linköpings universitet,Biologi,Tekniska högskolan,Institutionen för växtproduktionsekologi,Department of Crop Production Ecology,Linköping University
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- Karlsson, Jan (författare)
- Linköpings universitet,Ekologi,Tekniska högskolan
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- Wessman, Lotta (författare)
- Linköpings universitet,Ekologi,Tekniska högskolan
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- Karlsson, Laila (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Linköpings universitet,Ekologi,Tekniska högskolan,Institutionen för växtproduktionsekologi,Department of Crop Production Ecology,Linköping University
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(creator_code:org_t)
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- 2012-09-26
- 2014
- Engelska.
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Ingår i: Plant Species Biology. - : Wiley-Blackwell: No OnlineOpen. - 0913-557X .- 1442-1984. ; 29:1, s. 92-100
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Abstract
Ämnesord
Stäng
- Plant species differ in their ability to transform available resources to biomass and to respond in a plastic way to environmental circumstances; we hypothesized that such differences among four weed taxa of Papaver would explain differences in their competitive response. We first compared two populations each of Papaver rhoeasL., P.dubiumL. ssp. dubium, P.dubiumL. ssp. lecoqii (Lamotte) Syme and P.argemoneL., grown in a greenhouse for 6 weeks in a nutrient gradient combined with two light treatments to elucidate possible differences in responses. As there were clear differences, a second experiment evaluated whether these differences also meant differences in competitive response, during early growth, when tested against two crops (wheat, rape). The assumption that competitive response was linked to the ability to transform nutrient and light to biomass was not supported: even though differences in extent of plasticity existed, the effect of competition was similar for the taxa. Thus, higher plasticity and ability to transform available recourses to biomass did not lead to stronger competitiveness for Papaver during early growth.
Ämnesord
- NATURVETENSKAP -- Biologi -- Botanik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Botany (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Nyckelord
- crop; nutrient; phenotypic plasticity; poppy
- TECHNOLOGY
- TEKNIKVETENSKAP
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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