Leaf blade adaptation in spring barley genotypes to water stress and its relation to the productivity

analyse statistique caracteres de rendimiento composante de rendement crop yield cultivos de primavera culture de printemps dose d'irrigation dosis de riego drought stress feuille genotipos genotypes hojas hordeum vulgare irrigation rates leaf area leaves plant water relations relaciones planta agua relation plante eau rendement des cultures rendimiento de cultivos spring crops statistical analysis superficie foliar surface foliaire yield components