Relationships between common root rot, tillering, and yield loss in spring wheat and barley

caracteres de rendimiento cochliobolus cochliobolus sativus composante de rendement crop yield disease severity grain granos hordeum vulgare losses macollamiento perte peso poids pourriture des racines rendement rendement des cultures rendimiento rendimiento de cultivos root rots seed semence semillas tallage tillering triticum aestivum weight yield components yields