Journal Article

Effect of Viral Concentration and Body Weight on Mortality of Larvae of Trichoplusia ni (Lepidoptera: Noctuidae) Exposed to Wild-Type or Recombinant Strains of the Nuclear Polyhedrosis Virus of Autographa californica (Lepidoptera: Noctuidae)

C. M. Ignoffo and C. Garcia

in Environmental Entomology

Published on behalf of Entomological Society of America

Volume 26, issue 4, pages 955-960
Published in print August 1997 | ISSN: 0046-225X
Published online September 2014 | e-ISSN: 1938-2936 | DOI: https://dx.doi.org/10.1093/ee/26.4.955
Effect of Viral Concentration and Body Weight on Mortality of Larvae of Trichoplusia ni (Lepidoptera: Noctuidae) Exposed to Wild-Type or Recombinant Strains of the Nuclear Polyhedrosis Virus of Autographa californica (Lepidoptera: Noctuidae)

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A parental, wild-type strain of the nuclear polyhedrosis virus of Autographa californica (Speyer) (AcMNPV) and 2 recombinant strains, engineered to express a scorpion toxin (AcAaIT) or a juvenile hormone esterase (AcJHE-KK), were used to infect larvae of cabbage looper, Trichoplusia ni (Hübner). Initial mortality of 1st, 4th, and 5th instars, regardless of the polyhedral inclusion body (PIB) concentration, was not detected earlier than the 2nd d after exposure. At equivalent concentrations of virus, the recombinant AcAaIT was the fastest acting strain followed by the recombinant AcJHE-KK and...

Keywords: Autographa californica; baculovirus; recombinants; wild-type strains; nuclear polyhedrosis virus; mortality rate

Journal Article.  0 words. 

Subjects: Entomology

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