Rice blast caused by Pyricularia oryzae, Cav. (synonym Pyricularia grisea Sacc. The anamorph of Magnaporthe grisea), is one of the most destructive and wide spread diseases. The results of present study revealed that, after 14 days of second spray, least PDI of 12.95 and 13.23 was noticed in Picoxystrobin 22.52% w/w SC@ 1200 ml/ha and750 ml/ha, respectively followed by Picoxystrobin 22.52% w/w SC @ 600 ml/ha with a PDI of 13.43 where as Picoxystrobin 7% + Propiconazole 12% SC 600 ml/ha recorded the PDI of 16.56 and Tricyclazole 75% WP @ 400 g/ha recorded the PDI of 16.89 when compared to maximum PDI of 41.55 in untreated control.
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Balol et al. (2022) studied this question.
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