Butter, N.S.Sarbjit Singh2017-06-032017-06-032006http://krishikosh.egranth.ac.in/handle/1/5810015963en-USCotton, Chlorpyriphos, Impact, Helicoverpa armigera, Insects, Growth regulatorsImpact Of Chlorpyriphos With Pretreatment Of Insect Growth Regulator On Helicoverpa Armigera (Hubner) And Non-Target Insects In CottonThesis