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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Charakterization of the genetic structure population of the ahid parazitoid Lysiphlebus fabarum using by molecular markers
ŠTRYMPLOVÁ ŠŤASTNÁ, Kamila
Population genetics of host alternation in aphid parasitoids were studied on thelytokous populations of Lysiphlebus fabarum, which were presumed to manifest genetically stabile patterns (possibly host-species dependent lineages). Model populations and isofemale populations centering the determination of the individual lineages on Aphis fabae were analysed using RAPD and SSR molecular methods. Host alternation utilized an unnatural host, Diuraphis noxia (Kurdj.) in no-choice laboratory trials yielded populations manifesting different respective characters. The results indicate the potential of RAPD markers to differentiate L. fabarum, L. cardui and L. confusus. The results (from the RAPD and SSR methods) tend on the role of host-alternation as a less selective net affecting respectively the parasitoid filial progeny on another host aphid species. The correct identification of species and strains of these parasitoids is necessary to implement, when using parasitoids in a biological control program, to undoubtedly identify species in the natural population in order to design strategies for monitoring releases in the environment.
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Výzkum a ověřování metod pro efektní studium a mapování genomů Glycime Max (L.) a Prunus Persica (L.)
 Baránek, Miroslav
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