AND U. B. PANDEY, K. J. SRIVASTAVA, S. M. H. QADRI, B. K. TIWARI, S. R. BHONDE. 2002. “Chemical Control of Purple Blotch of Onion Bulb Crop in Kharif Season”. Indian Phytopathology 44 (2): 251-53. http://epubs.icar.org.in/index.php/IPPJ/article/view/22082.