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Intraspecific variability of Steinernema feltiae strains from Cemoro Lawang, eastern Java, Indonesia

    Research output: Chapter in Book/Report/Conference proceeding › C1: Articles in proceedings

    Abstract

    Four strains of Steinernema feltiae from Eastern Java, Indonesia were characterized based on morphometric, morphological and molecular data. In addition, their virulence against last instar Tenebrio molitor and heat tolerance was tested. Infective juvenile have a mean body length ranging from 749 to 792 microm. The maximum sequence difference among the four strains was 7 bp (8.8%) in the ITS and 2 bp (0.3%) in D2D3 regions of the rDNA. All the strains are not reproductively isolated and can reproduce with European strain S. feltiae Owiplant. The lowest LC50 was observed for strain SCM (373) and the highest for S. feltiae strain Owiplant (458) IJs/40 T. molitor. All four strains showed relatively better mean heat tolerance when compared with S. feltiae Owiplant, both in adapted and non-adapted heat tolerance experiments.
    Original languageEnglish
    Title of host publicationCommunications in Agricultural and Applied Biological Sciences
    Number of pages8
    Volume75
    Publication date2010
    Pages507-14
    Publication statusPublished - 2010

    Keywords

    • Animals
    • Crosses, Genetic
    • Demography
    • Genetic Variation
    • Indonesia
    • Nematoda
    • Phylogeny
    • Tenebrio

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