[1]
N. K. BHARAT*, “Occurrence of perfect stage of Sphaerotheca fuliginea on Calendula in dry temperate zone of Himachal Pradesh”, Indian Phytopath., vol. 62, no. 4, p. 541, Nov. 2009, Accessed: Jun. 25, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IPPJ/article/view/12660