V.G. GOSWAMI UK and. Studies on metabolites produced by Alternaria porri, the causal organism of purple blotch of onion. Indian Phytopath. [Internet]. 2002 Jan. 14 [cited 2025 Oct. 22];49(2):167-9. Available from: https://epubs.icar.org.in/index.php/IPPJ/article/view/20060