Investigation on “Varietal preference, life cycle and management of rice weevil, Sitophilus oryzae L.” was carried out in the Storage laboratory of the Department of Entomology, Rajasthan College of Agriculture, Udaipur during the year 2008. LOK-1 variety of wheat was least preferred host by S. oryzae while MP 1203 was most preferred host. LOK-1 and RAJ 3777 p...

Investigations were carried out on “Studies on Toxicity, Persistence and Bio-efficacy of some new Insecticides against Helicoverpa armigera (Hub.) in Tomato” in the Department of Entomology, Rajasthan College of Agriculture, Udaipur kharif during 2008-09 and 2009-10. The lowest LC50 values recorded for flubendiamide 480 SC were 0.00610 and 0.006163 per cent during ...