Examveda
Examveda

The following is the effective pathogen on Helicoverpa armigera

A. Rickettsiae

B. Bacillus popillae

C. Nuclear polyhedral virus

D. Metarrhizium anisopliae

Answer: Option C

Solution(By Examveda Team)

Nuclear polyhedral virus is the effective pathogen on Helicoverpa armigera.
Helicoverpa armigera nuclear polyhedrosis virus (HaNPV) is a specific entomophatogenic virus isolated from cadaver of Helicoverpa armigera larvae.
Helicoverpa armigera single nucleopolyhedrovirus (HearSNPV) is a virulent pathogen of lepidopterans in the genera Heliothis and Helicoverpa, whereas Helicoverpa armigera multiple nucleopolyhedrovirus (HearSNPV) is a different virus species with a broader host range.

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