Abstract
Six different geographical sources ofLymantria dispar (L.) andLymantria mathura (L.) in the People's Republic of China were sampled for nucleopolyhedrosis virus. Comparative bioassays of theL. dispar sources showed the U.S. Hamden standard to be more effective than the PRC nucleopolyhedrosis viruses. TheL. mathura NPV equalled the effectiveness of the Hamden standard even after 3 passages in lab rearedL. dispar larvae. This is the 1st report ofL. mathura NPV effect on a U.S. strain ofL. dispar.
Résumé
Six populations deLymantria dispar L. et desLymantria mathura L. provenant de différentes régions de République populaire de Chine furent examinées pour la présence de virus de la nucléopolyhédrose. Des essais comparatifs sur ces populations deL. dispar ont démontré que l'étalon de virus du “U.S. Hamden” est plus actif que ceux de la Chine. Le NPV deL. mathura, après passages successifs dans des larves en élevage en laboratoire fut également actif par rapport à l'étalon “Hamden” après le 3ème passage. Ceci est le premier rapport concernant l'effet du NPV deL. mathura contre une population deL. dispar d'origine américaine.
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Lewis, F.B., Wallner, W.E. & Rollinson, W.D. Activity of lymantriid NPVS from the People's Republic of China against North AmericanLymantria Dispar . Entomophaga 29, 299–302 (1984). https://doi.org/10.1007/BF02372117
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DOI: https://doi.org/10.1007/BF02372117