P. S. and S.S. SOKHI*, “Effect of date of planting on development of late blight of potato in Punjab”, Indian Phytopath., vol. 52, no. 3, pp. 267–269, Jun. 2002, Accessed: Oct. 23, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IPPJ/article/view/19527