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- W2022331305 endingPage "510" @default.
- W2022331305 startingPage "498" @default.
- W2022331305 abstract "In the framework of biological control, the selection of effective natural enemies determines the final pest control. Thus, the genetic improvement of biocontrol agents could enhance the efficiency of biocontrol programs. Although promising, this approach has rarely been applied in this field. At the intraspecific level, hybridization between divergent populations of biocontrol agents is expected to promote hybrid vigor (heterosis), but it is not clear to what extent. An even more difficult task is the ability to predict the fitness of hybrids from the biological characteristics of their parents. We investigated these general questions by crossing seven populations of the parasitoid wasp Trichogramma chilonis (Hymenoptera: Trichogrammatidae). Our results show different levels of mating compatibilities among populations, including asymmetric or almost complete reproductive isolation. Hybrids' performance (fitness of the F 1 generation) ranges from inbreeding depression to heterosis. It was possible, to some extent, to predict hybrid fitness from pairwise genetic and phenotypic distances among parents, in accordance with the ‘dominance’ hypothesis. This may provide general guidelines for the genetic improvement of biological control agents." @default.
- W2022331305 created "2016-06-24" @default.
- W2022331305 creator A5009802500 @default.
- W2022331305 creator A5019014568 @default.
- W2022331305 creator A5022565266 @default.
- W2022331305 creator A5050999313 @default.
- W2022331305 creator A5057508212 @default.
- W2022331305 creator A5067615985 @default.
- W2022331305 creator A5069124791 @default.
- W2022331305 creator A5078491440 @default.
- W2022331305 date "2012-06-08" @default.
- W2022331305 modified "2023-10-18" @default.
- W2022331305 title "Intraspecific variability in the parasitoid wasp<i>Trichogramma chilonis</i>: can we predict the outcome of hybridization?" @default.
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