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Survey, surveillance and cultural characteristics of bacterial blight of soybean

Author(s): G.P. Jagtap | S.B. Dhopte | D. Utpal

Journal: Scientific Journal of Agriculture
ISSN 2322-2425

Volume: 2;
Issue: 1;
Start page: 22;
Date: 2013;
Original page

Keywords: Survey | bacterial blight | Pseudomonas syringae

A survey was undertaken in eight districts viz., Parbhani, Nanded, Hingoli, Beed, Osmanabad, Jalna, Latur and Aurangabad districts of Marathwada region during June-August 2009-10. In all 69 soybean fields were surveyed by road for recording disease severity and incidence of blight of soybean. The pod highest disease severity noticed on the soybean field of Parbhani district followed by Hingoli, Nanded, Latur and Beed . The JS-335 showed maximum pod blight severity in all surveyed districts. The average per cent disease incidence (14.5%) in Marathwada region was recorded. Highest disease incidence noticed in Parbhani district (23 per cent) followed by Hingoli (20 %), Nanded (17 %), Latur (15 %) and Beed (13 %). The lowest disease incidence noticed in Jalna district (7 %). The pathogen was isolated, purified and its pathogenicity was proven in pot culture. Further, on the basis of morphological, cultural characteristics of the pathogen and symptomatology, the fungal pathogen was identified as Pseudomonas syringae.
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