B. S. LAKRA, “Development of purple blotch incited by Alternaria porri and its losses in seed crop of onion (Allium cepa)”, Indian J Agri Sci, vol. 69, no. 2, Jan. 2013, Accessed: Oct. 28, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/26351