S. I. H. and MOHD. AKRAM, “A preliminary screening study of pot marigold cultivars for resistance to powdery mildew”, Indian Phytopath., vol. 52, no. 1, pp. 90–91, Jun. 2002, Accessed: Jun. 03, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IPPJ/article/view/19465