Changes in esterase isoenzyme patterns in grains of spring barley (Hordeum vulgare) after the attack by grain weevil (Calandra granaria) and the grain weevil preference for individual cultivars

cultivos de primavera culture de printemps damage embriones vegetales endosperm endosperma endosperme esterasas esterase esterases grain granos hordeum vulgare isoenzimas isoenzyme isoenzymes plant embryos sitophilus granarius spring crops variedades varieties