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Allocation to polle...
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Lankinen, ÅsaLund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science,Lund university, Sweden
(författare)
Allocation to pollen competitive ability versus seed production in Viola tricoloras an effect of plant size, soil nutrients and presence of a root competitor
- Artikel/kapitelEngelska2012
Förlag, utgivningsår, omfång ...
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2012-11-20
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John Wiley & Sons,2012
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:lnu-120579
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https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-120579URI
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https://doi.org/10.1111/j.1600-0706.2012.00067.xDOI
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https://res.slu.se/id/publ/51817URI
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https://lup.lub.lu.se/record/3853677URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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In hermaphroditic plants, the effect of a social environment on sex allocation has not been studied to our knowledge, while in hermaphroditic animals such effects are known to be common. In recent years, studies on root competition beyond the effects of nutrients have shown that plants can respond to their conspecific root competitors (social environment), making it interesting to ask if these effects could also influence sex allocation in addition to more commonly studied factors, such as plant size or resources. In this study on hermaphroditic Viola tricolor, we investigated how plant size, soil nutrients and presence of a root competitor influenced allocation to pollen competitive ability versus seed production, i.e. male and female reproductive functions. We allowed plants to grow in pairs with partly intermingled or separate roots in the same amount of soil. In additional treatments with intermingled roots (as part of the same experiment) one of the two competitors was given combinations of nitrogen (N), phosphorous (P) and micro nutrients. We found that pollen performance but not seed production increased when plants were in contact in the soil. Additionally, pollen performance was negatively correlated to plant size across fertilisation treatments. For seed production, the opposite relation to plant size was seen, indicating that large, fertilized plants invest relatively more in the female function. In conclusion, in violets, sex allocation appears to be size-dependent and influenced by both the presence of a root competitor and by nutrients. These results suggest that social environment can influence sex allocation in plants as well as in animals, indicating that such effects are important to consider in sex allocation studies across taxa.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Larsson, MattiasLund University,Lunds universitet,Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Växtskyddsbiologi,Department of Plant Protection Biology,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science,Swedish University of Agricultural Science, Sweden(Swepub:lu)ekol-mls
(författare)
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Fransson, Ann-MariLund University,Lunds universitet,Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Landskapsutveckling,Department of Landscape Management, Design and Construction,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science,Swedish University of Agricultural Science, Sweden(Swepub:lu)ple-amf
(författare)
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Funktionell zoologiBiologiska institutionen
(creator_code:org_t)
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Sveriges lantbruksuniversitet
Sammanhörande titlar
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Ingår i:Oikos: John Wiley & Sons122:5, s. 779-7890030-12991600-0706
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