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4 results

  1. CORESTA Congress, Kyoto, 2004, P 03

    Assessment of the efficacy of Japanese Bacillus thuringiensis isolates against the cigarette beetle, Lasioderma serricorne (Coleoptera: Anobiidae)

    TSUCHIYA S.; KASAISHI Y.; HARADA H.; ICHIMATSU T.; SAITOH H.; MIZUKI E.; OHBA M.
    Japan Tobacco Inc., Leaf Tobacco Research Lab., Oyama, Tochigi, Japan.
    A total of 2652 Japanese isolates of Bacillus thuringiensis, belonging to at least 54 H serogroups, were examined for assessment of the toxicity against the cigarette beetle, Lasioderma serricorne (Coleoptera: Anobiidae). When tested with spore/parasporal ...
  2. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, P 13

    Effective phosphine fumigation against phosphine susceptible or resistant cigarette beetles (Lasioderma serricorne)

    HARADA H.; ORUI Y.; IMAI T.; KASAISHI Y.; TSUCHIYA S.; HORI M.
    Japan Tobacco Inc., Leaf Tobacco Research Lab., Oyama, Tochigi, Japan.
    In Japan, phosphine resistant cigarette beetles (Lasioderma serricorne (F.); Coleoptera: Anobiidae) have been observed occasionally since 1996. Phosphine's insecticidal activity is affected by its concentration, temperature and the duration of ...
  3. Bull. Spec. CORESTA Congress, Yokohama, 1996, p. 103, AP2

    Calcium chloride as a major component contributing to aphid resistance of Nicotiana benthamiana

    HARADA H.; TAKAHASHI H.; MATSUZAKI T.; HAGIMORI M.
    Japan Tobacco Inc., Leaf Tobacco Research Lab., Oyama, Tochigi, Japan.
    Nicotiana benthamiana is resistant to green peach aphid, Myzus persicae Sulzer and leaf eating caterpillar, Spodoptera litura. To make clear the aphid-resistant mechanism, substances with anti-aphid activity were extracted from the leaf surface of N. ...