Composition and Extent Adaptability of Fungal Pathogens and Viruses in Invasive Populations of Lupinus polyphyllus Lindl. (Fabaceae)

The article presents experimental data on the species composition of fungal and viral pathogens in the secondary range of Lupinus polyphyllus Lindl. Tobacco mosaic virus, bean yellow mosaic virus, bean common mosaic virus, and pea enation mosaic virus were diagnosed for the first time on L. polyphyllus . Issues related to the peculiarities of the adaptability of viruses to invasive plant species are discussed. The preventive role of virus vectors (Aphididae) in the expansion of viruses and the expansion of the spectrum of host plants (susceptible species) is emphasized. Interaction with vectors, including the nonspecific species, is one of the mechanisms for the adaptability of viruses, their expansion into new regions, and the formation of new pathosystems with invasive plant species. It was concluded that it is possible to predict the search for the most effective variants of harmful organisms on the basis of the analysis of the trophic relationships of vectors for the biocontrol of L. polyphyllus.