About: The effect of insect herbivory on the growth and fitness of introduced Verbascum thapsus L     Goto   Sponge   Distinct   Permalink

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  • A majority of the plant species that are introduced into new ranges are considered ecologically and economically unproblematic. However, the factors that limit these relatively “benign species are not well studied. We explored the effect of insect herbivory and surrounding vegetation cover on growth and fitness of the non-native biennial plant Verbascum thapsus (common mullein). We reduced herbivory using an insecticide treatment and compared sprayed plants to those exposed to ambient levels of herbivory. Reducing herbivory increased survival from rosette to reproduction. Of plants that survived, reducing herbivory increased plant area in the first year and plant height, the length of the reproductive spike, and seed set during the second year. Reducing herbivory also increased seed set by 50%, from about 48,000 seeds per plant under ambient herbivory to about 98,000 per plant under reduced herbivory. Overall, we found that herbivore-induced impacts on individual plant performance and seed set are substantial, and thus may hlep prevent this naturalized species from becoming dominant in undisturbed recipient communities.
  • A majority of the plant species that are introduced into new ranges are considered ecologically and economically unproblematic. However, the factors that limit these relatively “benign species are not well studied. We explored the effect of insect herbivory and surrounding vegetation cover on growth and fitness of the non-native biennial plant Verbascum thapsus (common mullein). We reduced herbivory using an insecticide treatment and compared sprayed plants to those exposed to ambient levels of herbivory. Reducing herbivory increased survival from rosette to reproduction. Of plants that survived, reducing herbivory increased plant area in the first year and plant height, the length of the reproductive spike, and seed set during the second year. Reducing herbivory also increased seed set by 50%, from about 48,000 seeds per plant under ambient herbivory to about 98,000 per plant under reduced herbivory. Overall, we found that herbivore-induced impacts on individual plant performance and seed set are substantial, and thus may hlep prevent this naturalized species from becoming dominant in undisturbed recipient communities. (en)
Title
  • The effect of insect herbivory on the growth and fitness of introduced Verbascum thapsus L
  • The effect of insect herbivory on the growth and fitness of introduced Verbascum thapsus L (en)
skos:prefLabel
  • The effect of insect herbivory on the growth and fitness of introduced Verbascum thapsus L
  • The effect of insect herbivory on the growth and fitness of introduced Verbascum thapsus L (en)
skos:notation
  • RIV/67985939:_____/13:00421426!RIV14-AV0-67985939
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I
http://linked.open...iv/cisloPeriodika
  • 19
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 71569
http://linked.open...ai/riv/idVysledku
  • RIV/67985939:_____/13:00421426
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • herbivory; invasive species; fitness (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • BG - Bulharská republika
http://linked.open...ontrolniKodProRIV
  • [152981CF9120]
http://linked.open...i/riv/nazevZdroje
  • Neobiota
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 2013
http://linked.open...iv/tvurceVysledku
  • Alba, Christina
  • Hufbauer, R. A.
  • Norton, A. P.
  • Wilbur, H. D.
issn
  • 1619-0033
number of pages
http://bibframe.org/vocab/doi
  • 10.3897/neobiota.19.5123
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