TY JOUR TI Structural and functional analysis and substantiation of the directions of development of the breeding and seed production system in Russia KW agriculture KW selection KW seed production KW import substitution of seeds KW food security KW technological sovereignty JO INTERNATIONAL AGRICULTURAL JOURNAL AU Sayfetdinov, A.R. AU Bershitsky, Y.I. AU Sayfetdinova, P.V. PY 2024 IS 0 PB Electronic science