%0 Journal Article %T PRIMARY GENOTIPIC SELECTION FOR IMPROVEMENT OF HARD WHEAT STABILITY AND RESPONSE IN YIELD %A Malchikov, P.N. %A Myasnikova, M.G. %A Chaheeva, T.V. %K wheat, yield, variety, stability, response %J Bulletin Samara State Agricultural Academy %D 2020 %N 5 %P 7 %I Samara State Agrarian University