Academy of Medical Sciences—became incorporated into the RAS as its new specialized scientific divisions. the RAS still operates 42 plant breeding centres, most of which are at least partly involved with winter wheat, but also often other wheat cultivars, barley, rice, maize/corn, and others. Farmers are mostly growing Russian-bred varieties but these are deficient in resistance traits - for example fusarium head blight and root rot on wheat. Even when the RAAS does produce better varieties they are rarely adopted, with seed saving being widespread instead. Certified seed is rarely used. See also Academy of Sciences of the Soviet Union Ministry of Agrarian Policy and Food (Ukraine) Science and technology in the Soviet Union Lysenkoism References External links LibWorld - Central Scientific Agricultural Library (CSAL) Russian National Academies Science and technology in the Soviet Union Agriculture in the Soviet Union