Rice Research Station, Kaul, District Kaithal, Haryana-136 021, India
Online published on 31 October, 2011.
Larval populations of Helicoverpa armigera from Hisar region (Haryana, India) have been founa to be 12.79, 2.73 and 2.76 fold resistant to fenvalerate, cypermethrin and quinalphos respectively as compared to those from Kaul region (Haryana, India). In comparison, resistance to endosulfan was only 0.91 fold.
Helicoverpa armigera, resistance, fenvalerate, cypermethrin, quinalphos, endosulfan