Marssonina blotch is a fungaldisease of apple leaves and fruit[3] that is caused by Diplocarpon coronaria.[4]
Distribution
Marssonina blotch was historically an important apple disease in Japan[3] and China.[5] In the 1990s it became an important apple disease in India,[6] and Korea.[7] Marssonina blotch was detected in Europe by the early 2000s[8] where it caused widespread disease, especially on organically managed apples.[9] In the United States Marssonina blotch was first observed as a serious disease in 2017.[10]
^ abTakahashi, S.; Sawamura, K.; Sato, Y. (2014). "Marssonina Blotch". Compendium of Apple and Pear Diseases (2nd ed.). St Paul, Minnesota: The American Phytopathological Society. pp. 46–47. ISBN978-0-89054-433-4.
^Sharma, J. A. "Marssonina blotch-a new disease of apple and its control". Indian Journal of Plant Protection. 28 (1): 100–101. ISSN0253-4355.
^Kim, Dong-Ah; Lee, Soon-Won; Lee, Joon-Tak (1998). "Ecology of Marssonina blotch caused by Diplocarpon mali on apple tree in Kyungpook, Korea". Agric. Res. Bull. Kyungpook Natl. Univ. 16 (12): 84–95.