and J.N. SHARMA SP. Evaluation of systemic acquired resistance (SAR) activators for the management of leaf blotch of apple caused by Marssonina coronaria. Indian Phytopath. [Internet]. 2015 Dec. 29 [cited 2026 Jun. 13];68(4). Available from: https://epubs.icar.org.in/index.php/IPPJ/article/view/54632