author(s)
Mukesh Kumar Yadav, MC Bhargava and MD Choudhary

abstract
Investigations were carried out on qualitative losses in different varieties of wheat caused by the infestation of Sitophilus oryzae during 2015 and 2016 at S.K.N. College of Agriculture, Jobner. Out of 10 varieties screened on the basis of physico- chemical characters against this insect, Raj-4037, Raj-3765 and Raj-4083 were found less susceptible while Raj-Molyarodhak-1, Raj-4238, Raj-4079 and Raj-4120 were moderately susceptible, whereas, Raj-1482, Raj-3077 and Raj-3777 were among the most susceptible varieties.