Search Results

6 results

  1. CORESTA Congress, Paris, 2006, AP 35

    Temperature conditions affecting winter survival of the cigarette beetle, Lasioderma serricorne (F.) (Coleoptera: Anobiidae)

    IMAI T.; TSUCHIYA S.
    Japan Tobacco Inc., Leaf Tobacco Research Lab., Oyama, Tochigi, Japan.
    The cigarette beetle is a cosmopolitan pest of tropical origin and is not fully adapted to temperate climates. Several studies have described winter extinction of this pest under constant laboratory conditions, but studies under natural winter conditions ...
  2. CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, A 16

    Suppression of TSNA formation of Burley tobacco during storage using activated carbon and zeolite

    KATSUYA S.; TSUCHIYA S.; SAITO H.
    Japan Tobacco Inc., Leaf Tobacco Research Lab., Oyama, Tochigi, Japan.
    The content of tobacco specific nitrosamines (TSNA) often increases in the cured burley tobacco leaves during storage. It was considered that TSNA would be formed when alkaloids react with the NOx gas generated from nitrite existing in cured leaves. We ...
  3. 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 ...
  4. 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 ...