Abstract
Helicoverpa armigera nucleopolyhedrovirus (HearNPV) has proved effective as the basis for various biological insecticides. Complete genome sequences of five Spanish HearNPV genotypes differed principally in the homologous regions (hrs) and the baculovirus repeat open reading frame (bro) genes, suggesting that they may be involved in the phenotypic differences observed among genotypes.
Highlights
Helicoverpa armigera nucleopolyhedrovirus (HearNPV) has proved effective as the basis for various biological insecticides
The Helicoverpa armigera nucleopolyhedrovirus, HearNPV (Baculoviridae), is a single nucleocapsid alphabaculovirus that has proved to be an effective insecticide for control of H. armigera (Lepidoptera: Noctuidae) larvae on crops [1, 2]
136 open reading frames (ORFs) were present in HearSNPV-SP1A and HearSNPV-SP1B, whereas HearSNPV-LB1, HearSNPV-LB3, and HearSNPV-LB6 genomes lacked one ORF, as only two instead of three bro genes were located between homologous regions 2 and 3
Summary
Helicoverpa armigera nucleopolyhedrovirus (HearNPV) has proved effective as the basis for various biological insecticides. The Helicoverpa armigera nucleopolyhedrovirus, HearNPV (Baculoviridae), is a single nucleocapsid alphabaculovirus that has proved to be an effective insecticide for control of H. armigera (Lepidoptera: Noctuidae) larvae on crops [1, 2]. Five naturally occurring HearNPV isolates from Spain [3], named HearSNPVSP1A, HearSNPV-SP1B, HearSNPV-LB1, HearSNPV-LB3, and HearSNPV-LB6, showed clear variation in insecticidal traits, such as occlusion body (OB) pathogenicity, speed of kill, and OB production in infected insects [3, 4].
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