author(s)
AR Bhargude, SK Patil and DR Kadam

abstract
Among different plant products evaluated for their efficacy against rice weevil, Sitophilus oryzae Linnaeus for six months stored sorghum seeds, sweet flag rhizome powder @ 5% was found significantly superior in reducing 100 percent adult mortality, no seed damage, no seed weight loss and higher seed germination (85.67%) followed by neem seed kernel powder @ 5% with significant maximum adult mortality (85.00%), least seed damage (13.00%), lowest seed weight loss (5.16%) and higher germination percentage (74.33%). The effectiveness of next treatments viz., karanj seed powder @ 5%, neem leaf powder @ 5%, custard apple leaf powder @ 5% and karanj leaf powder @ 5% which shows less mortality (61.67, 51.33, 43.33 and 40.00%), less seed damage (28.67, 42.00, 51.33 and 54.00%), less weight loss (16.19, 22.50, 28.08 and 31.03%) and less germination (67.33, 60.67, 58.00 and 55.67%), respectively. Seed treated with tulsi leaf powder @ 5% and turmeric rhizome powder @ 5% was not found effective against rice weevil, which showed the least adult mortality (30.00 and 26.67%), more seed damage (64.33 and 67.33%), more weight loss (37.19 and 38.60%) and least germination (48.33 and 44.67%), respectively.