%0 Conference Paper %A Lehtonen, Päivi %A Saikkonen, Kari %A Helander, Marjo %D 2003 %F orgprints:11232 %I Nordic Association of Agricultural Scientists %K fungal endophytes, aphids, meadow fescue %T Fungal endophytes decrease aphid performance in grasses: effects on virus transmission? %U http://orgprints.org/11232/ %X We examined how endophyte infection and nutrient availability affects the performance of bird-cherry aphid (Rhopalosiphum padi) in meadow fescue (Festuca pratensis). Endophyte infection drastically reduced aphid survival and reproduction in our study.