R. Thilagavathi, M. Devanathan, and P. Paramaguru, “Eco friendly management of onion (Allium cepa L. var. aggregatum Don.) purple blotch incited by Alternaria porri: Eco friendly management of onion purple blotch”, J Spices Arom Crops, vol. 34, no. 2, pp. 205–216, Apr. 2026.