and V.K. SHEILA, NANDITA SARKAR*, Y.L. NENE, M.V. REDDY. 2002. “Influence of Plant Age on Susceptibility of Pigeonpea to Phytophthora Blight”. Indian Phytopathology 45 (4): 426-29. https://epubs.icar.org.in/index.php/IPPJ/article/view/21732.