Rabindra, R.JMEHRVAR, ALI2019-03-082019-03-082007-03-14Th-8514http://krishikosh.egranth.ac.in/handle/1/5810097746Abstract not availableennullSTUDIES ON THE OPTIMIZATION OF PERSISTENCE AND ACTIVITY ENHANCEMENT OF NUCLEAR POLYHEDROSIS VIRUS AGAINST Helicoverpa armigera (Hubner) (LEPIDOPTERA: NOCTUIDAE)Thesis