ISSN: 0973-7510
E-ISSN: 2581-690X
A research was performed to assess the effect of weather parameters along with different date of sowing. Disease progress was influenced by different weather factors viz., temperature, relative humidity, sunshine and rainfall. For powdery mildew and Alternaria blight, maximum AUDPC (Area under disease progress curve) value were 333.9 and 378.3, respectively in the plants sown on 1st July and the lowest 191.4 and 205.1 in plants sown on 21st July 2014, respectively. However, effect of weather parameters on development of bacterial leaf blight resulted in abrupt increase in AUDPC from 289.4 to 444.5 in 4th to 5th week of inoculation, reaching its maximum 455.3 in 6th week of inoculation, due to fluctuating in rainfall and relative humidity. Lowest AUDPC 82.6 was observed in last sowing done on 21st July.
Powdery mildew, Alternaria blight, Bacterial leaf blight, Disease progression, AUDPC (area under disease progress curve).
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