Wettable powder formulations of N. rileyi were were prepared at S.V. Agricultural College, Tirupati during 2013-14 and evaluated for testing the viability under two different storage conditions i.e., refrigeration(at 4ºC) and incubation (at 25 ºC) at monthly intervals upto 3 months.Among the storage conditions, refrigerator stored formulations shown better results when compared to incubator stored formulations. Among the different formulations, talc formulation shown higher viabilities upto 90 days of storage. Where as least germination was recorded with ragi flour formulation. The viability of N. rileyi conidia is gradually decreasing with increase in storage period.
