& ET AL., Al- Maadhedi. QUANTITATIVE STUDIES ON DOWNY MILDEW Peronospora destructor AFFECTING ON GROWTH AND ONION SEED PRODUCTION IN UPPER EUPHRATES AREA. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, [S. l.], v. 48, n. 2, 2017. DOI: 10.36103/ijas.v48i2.408. Disponível em: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/408.. Acesso em: 2 may. 2024.