Laskowska , D., & Apoloniusz, B. . (2001). Response of cultivars and breeding lines of tobacco (Nicotiana tabacum L.) under natural field infection to blue mold (Peronospora tabacina Adam.). Plant Breeding and Seed Science, 45(1), 77–82. Retrieved from http://ojs.ihar.edu.pl/index.php/pbss/article/view/788