Caierão E, Carvalho FIF de, Floss EL, Sánchez-Chacón CD, Lonrecetti C, Marchioro V. Effect of severity and incidence levels of crown rust and stem rust on yield of oat genotypes. PAB. 2001;36(1):43-52. doi:10.1590/S1678-3921.pab2001.v36.6105