B.B.L. THAKORE, ANILA DOSHI and. “Influence of Host Nutrition on the Development of Downy Mildew Disease of Opium Poppy”. Indian Phytopathology, vol. 48, no. 3, Jan. 2002, pp. 335-8, https://epubs.icar.org.in/index.php/IPPJ/article/view/20750.