Tabachishin Vasilii Grigorievich RussiaSaratovSaratov branch of A. N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 410028, Saratov, Rabochaya str.,24tabachishinvg@sevin.ru Author's articles Introduction experience of custard apple (Asimina triloba (L.) Dun.) in the open ground in Saratov region О натурализации и некоторых биотических связях лоха остроплодного (Elaeagnus Oxycarpa Schlecht.) на территории Саратовской области