and PRASANTA K. SENGUPTA, M.K. SARKAR, A. BASU. 2002. “Effect of Host Growth Stage, Leaf Sheath Position and Sheath Injury on Severity of Rice Sheath Blight”. Indian Phytopathology 46 (2): 176-78. https://epubs.icar.org.in/index.php/IPPJ/article/view/21449.