and S.M.PAUL KHURANA, NIRUPMA SHARMA, V. S. THAKUR, SANJEEV SHARMA*, J. MOHAN. 2012. “Development of Marssonina Blotch (Marssonina Coronaria) in Different Genotypes of Apple”. Indian Phytopathology 64 (4): 358-62. https://epubs.icar.org.in/index.php/IPPJ/article/view/13985.