“Comparative Effect Of Pseudomonas Fluorescens, Neem Seed Karnel Extract And Fungicide Against Powdery Mildew Of Sunflower ”. Journal of Plant Disease Sciences 13, no. 2 (July 18, 2018): 103–106. Accessed May 19, 2024. https://acspublisher.com/journals/index.php/jpds/article/view/11155.