Dr. J. J. JaniCHARMI SHAILESH PATEL2017-07-312017-07-312008http://krishikosh.egranth.ac.in/handle/1/5810026831The present investigation entitled “Studies on Genomic Variation and Bioefficacy of Some Geographic Isolates of Helicoverpa armigera Nuclear Polyhedrosis Virus” was undertaken at, Anand Agricultural University, Anand, during 2007-08 with a view to study whether any genotypic or phenotypic variation/s existed among the four isolates. The experimental material comprised of 4 isolates- from Anand, Surat and Junagadh of Gujarat and Patancheru of Andhra Pradesh. These isolates were evaluated by morphometry, bioefficacy, histopathology, RAPDenMicrobiologyStudyThesis