R.K. SINGH and P.P. UPADHYAYA, SATYA PRAKASH, S.J. SINGH,. “Distribution, Incidence and Detection of a Potyvirus on Chilli from Eastern Uttar Pradesh”. Indian Phytopathology 55, no. 3 (September 14, 2002): 294–298. Accessed October 26, 2025. https://epubs.icar.org.in/index.php/IPPJ/article/view/18732.