Author(s):

Praveen Banvasi, CP Khare, GK Awadhiya, Veer Singh and Dheeraj Baghel

Abstract: The intensive survey was conducted at different location of Raipur and Durg district viz. Parsada, Godhi, Bhatagaon, Ganiyari, and Baktara to record the seasonal incidence and severity of foliar diseases of okra during Kharif and Rabi season of 2016-17 in farmers field under natural condition. Per cent Disease Incidence (PDI) of Cercospora leaf spot of okra was highest (55.60%) in Kharif season then Rabi season (33.80%), In order to Percent Disease Severity (PDS) of Cercospora leaf spot of okra was also higher in Kharif season (56.18%) then Rabi season (36.92%). The average PDI of Alternaria leaf spot of okra was highest (56.6%) in Rabi season then Kharif season (52.80%), the average PDS of Alternaria leaf spot of okra was observed highest in Rabi season (54.38%) then in Kharif season (46.90%). In Kharif season average Powdery mildew disease was recorded with higher incidence (64.60%) then Rabi season (64.40%), average severity of Powdery mildew disease was also recorded highest in Kharif season (57.33%) then Rabi season. The average PDI of Okra leaf curl disease was highest in Rabi season (23%) then in Kharif season (14.4%), In case of severity of Okra leaf curl disease average PDS was recorded highest in Rabi (15.64%) then Kharif season (11.61%). The average PDI of Okra mosaic was highest in Kharif (11.2%) then in Rabi season (10%), In context of disease severity, highest severity was found in Rabi (17.2%) then Kharif season (15.28%). In case of all the diseases which was observed in survey the average PDI was highest in Kharif (39.72%) then in Rabi season (37.56), In context of disease severity average PDS was observed highest in Kharif (37.46%) then Rabi (35.90%), In case of both the season (Kharif and Rabi) highest prevailing foliar disease of okra was Powdery mildew (60.42%) followed by Alternaria leaf spot (52.67%), Cercospora leaf spot (45.63%) Okra leaf curl virus (16.17%) and lowest was okra mosaic disease (13.42%).

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