Sökning: id:"swepub:oai:DiVA.org:uu-148965" >
Cost of trichome pr...
-
Sletvold, NinaUppsala universitet,Ekologisk botanik
(författare)
Cost of trichome production and resistance to a specialist insect herbivore in Arabidopsis lyrata
- Artikel/kapitelEngelska2010
Förlag, utgivningsår, omfång ...
-
2010-04-24
-
Springer Science and Business Media LLC,2010
-
printrdacarrier
Nummerbeteckningar
-
LIBRIS-ID:oai:DiVA.org:uu-148965
-
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-148965URI
-
https://doi.org/10.1007/s10682-010-9381-6DOI
Kompletterande språkuppgifter
-
Språk:engelska
-
Sammanfattning på:engelska
Ingår i deldatabas
Klassifikation
-
Ämneskategori:ref swepub-contenttype
-
Ämneskategori:art swepub-publicationtype
Anmärkningar
-
Theory predicts that trade-offs between resistance to herbivory and other traits positively affecting fitness can maintain genetic variation in resistance within plant populations. In the perennial herb Arabidopsis lyrata, trichome production is a resistance trait that exhibits both qualitative and quantitative variation. Using a paternal half-sib design, we conducted two greenhouse experiments to ask whether trichomes confer resistance to oviposition and leaf herbivory by the specialist moth Plutella xylostella, and to examine potential genetic constraints on evolution of increased resistance and trichome density. In addition, we examined whether trichome production is induced by insect herbivory. We found strong positive genetic and phenotypic correlations between leaf trichome density and resistance to leaf herbivory, demonstrating that the production of leaf trichomes increases resistance to leaf damage by P. xylostella. Also resistance to oviposition tended to increase with increasing leaf trichome density, but genetic and phenotypic correlations were not statistically significant. Trichome density and resistance to leaf herbivory were negatively correlated genetically with plant size in the absence of herbivores, but not in the presence of herbivores. There was no evidence of increased trichome production after leaf damage by P. xylostella. The results suggest that trichome production and resistance to leaf herbivory are associated with a cost and that the direction of selection on resistance and trichome density depends on the intensity of herbivory.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
-
Huttunen, Piritta
(författare)
-
Handley, RichardUppsala universitet,Ekologisk botanik
(författare)
-
Karkkainen, Katri
(författare)
-
Ågren, JonUppsala universitet,Ekologisk botanik(Swepub:uu)jonagren
(författare)
-
Uppsala universitetEkologisk botanik
(creator_code:org_t)
Sammanhörande titlar
-
Ingår i:Evolutionary Ecology: Springer Science and Business Media LLC24:6, s. 1307-13190269-76531573-8477
Internetlänk
Hitta via bibliotek
Till lärosätets databas