Montes-Borrego, M., Muñoz-Ledesma, F.J., Jiménez-Díaz, R.M. and Landa, B.B. 2017. Short communication: Local infection of opium poppy leaves by Peronospora somniferi sporangia can give rise to systemic infections and seed infection in resistant cultivars. Spanish Journal of Agricultural Research. 15, 3 (Dec. 2017), e10SC01. DOI:https://doi.org/10.5424/sjar/2017153-10864.