Effect of replacement of septa on trapping efficiency of pheromone traps for Helicoverpa armigera in chick-pea

Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant Univ. of Agri. and Tech., Pantnagar-263 145, India

*Corresponding author. E-mail: kalpna_510@rediffmail.com

**Corresponding author. E-mail: s_kanaujia@yahoo.com