International Journal of Multidisciplinary Research and Development

E- ISSN: 2349-4182
P- ISSN: 2349-5979

Vol. 3, Issue 2 (2016)

First report on foliar blight caused by Rhizoctonia solani on cabbage (Brassica oleracea var capitata) and cauliflower (Brassica oleracea var botrytis) from India

Author(s): Rashmi CR, Mohamed Anees M, Yamini Varma CK, Govindan M
Abstract: The pathogen, Rhizoctonia solaniwas observed to be causing foliar blight in cool season vegetable crops in the experimental fields and adjoining areas at College of Agriculture, Padannakkad, Kerala, India, during the post rainy seasons of 2013 and 2014. The disease appeared during October to February in cabbage (Brassica oleracea var capitata) and cauliflower (Brassica oleracea var botrytis). The blighted portions initially appeared irregular in shape, light green to bluish green in colour, later turning to straw coloured. In severely affected leaves, the blighted regions became papery and got withered off leaving shot hole symptoms. Microscopic examination revealed the presence of the teleomorph (Thanatephorus cucumeris) on the diseased tissues.
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