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  • (Z)-11-tetradecenyl acetate  (2)
  • Bipolaris oryzae  (2)
  • Springer  (4)
  • International Union of Crystallography (IUCr)
  • 1995-1999  (4)
Collection
Keywords
Publisher
  • Springer  (4)
  • International Union of Crystallography (IUCr)
Years
  • 1995-1999  (4)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Sex pheromone of the butterbur borer, Ostrinia zaguliaevi (1998)
    Springer
    Entomologia experimentalis et applicata 89 (1998), S. 281-287 
    Details
    ISSN: 1570-7458
    Keywords: Ostrinia zaguliaevi ; sex pheromone ; GC-EAD ; (Z)-9-tetradecenyl acetate ; (Z)-11-tetradecenyl acetate ; (E)-11-tetradecenyl acetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The sex pheromone blend of the butterbur borer, Ostrinia zaguliaevi (Lepidoptera: Pyralidae) was analyzed by means of gas chromatography-electroantennographic detection (GC-EAD), GC-mass spectrometry and a series of wind-tunnel bioassays. Four EAD-active compounds were detected in the female sex pheromone gland extract, and these were identified as tetradecyl acetate (14:OAc), (Z)-9-tetradecenyl acetate (Z9-14:OAc), (E)-11-tetradecenyl acetate (E11-14:OAc) and (Z)-11-tetradecenyl acetate (Z11-14:OAc). The average amounts ± s.d. of the four compounds in a single sex pheromone gland were 7.9±3.7 ng, 10.1±3.2 ng, 1.1±0.5 ng and 11.6±5.1 ng, respectively. In a wind-tunnel bioassay, the ternary blend of Z9-, E11- and Z11-14:OAc at a ratio found in the sex pheromone gland (45:5:50) elicited the same behavioral responses from the males as did virgin females and pheromone gland extract. Removal of any single compound from the ternary blend significantly diminished the pheromonal activity, whereas addition of 14:OAc to the ternary blend had no effect on the males' behavioral responses. Therefore, it was concluded that the sex pheromone blend of O. zaguliaevi is composed of Z9-14:OAc, E11-14:OAc and Z11-14:OAc at a ratio of 45:5:50.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003577714551
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  • 2
    Electronic Resource
    Electronic Resource
    Identification of Sex Pheromone of Adzuki Bean Borer,Ostrinia scapulalis (1997)
    Springer
    Journal of chemical ecology 23 (1997), S. 2791-2802 
    Details
    ISSN: 1573-1561
    Keywords: Ostrinia scapulalis ; sex pheromone ; (Z)-11-tetradecenyl acetate ; (E)-11-tetradecenyl acetate ; GC-EAD ; field trapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract By means of gas chromatography with electroantennographic detection (GC-EAD), gas chromatography–mass spectrometry (GC-MS), and a series of bioassays, (Z)-11-tetradecenyl acetate (Z11–14:OAc) and (E)-11-tetradecenyl acetate (E11–14:OAc) at a ratio of 100:3 were identified as the female sex pheromone of the adzuki bean borer,Ostrinia scapulalis. The average amounts ofZ11–14: OAc andE11–14:OAc in a single sex pheromone gland were 6.6 ± 2.4 ng and 0.2 ± 0.1 ng, respectively. In a wind-tunnel bioassay, the binary blend ofZ11- andE11–14:OAc elicited almost the same male behavioral responses as did virgin females and sex pheromone gland extract. In field trapping experiments, rubber septa impregnated with the binary blend (50 μg/septum) attracted more males than virgin females. The sex pheromone ofO. scapulalis thus turned out to be similar to that of theZ-type European corn borer,O. nubilalis, in both components and their ratio.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022567111508
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  • 3
    Electronic Resource
    Electronic Resource
    Suppression and reactivation of UV-induced sporulation by blue light inBipolaris oryzae (1999)
    Springer
    Mycoscience 40 (1999), S. 363-366 
    Details
    ISSN: 1618-2545
    Keywords: Bipolaris oryzae ; blue light ; reactivation ; sporulation ; UV radiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sporulation inBipolaris oryzae was induced by UV radiation (295 nm), but the number of conidia gradually decreased with increasing duration of UV radiation longer than 1 min. The inductive effect of UV radiation can be nullified by blue light (459 nm) applied immediately before or after inductive UV radiation shorter than 1 min. In contrast, the number of conidia increased with an increasing duration of blue light applied after inductive UV radiation longer than 1 min, but not if it was applied before UV radiation. The present study firstly revealed the possibility of photoreactivation inB. oryzae sporulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02463882
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  • 4
    Electronic Resource
    Electronic Resource
    Influence of phototropic response of spore germ tubes on infection process inColletotrichum lagenarium andBipolaris oryzae (1996)
    Springer
    Mycoscience 37 (1996), S. 331-337 
    Details
    ISSN: 1618-2545
    Keywords: Bipolaris oryzae ; Colletotrichum lagenarium ; germ tube growth ; infection structure ; phototropism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The germ tubes ofColletotrichum lagenarium showed negative phototropism to UV-blue (300–520 nm) and far-red (〉700 nm) regions with maximum in the near ultraviolet (NUV) region, while monochromatic radiations of 575–700 nm (yellow-red region) induced positive phototropism with maximum in the red region. Green light (520–575 nm) was ineffective. Negative phototropism-inducing wavelength regions inhibited germ tube growth and positive phototropism-inducing wavelength regions promoted it significantly.Bipolaris oryzae did not show any phototropic response and light did not affect the germ tube growth. These results indicate that the lens effect, in combination with the light growth reaction and light growth inhibition, is the mechanism of the phototropism of germ tubes ofC. lagenarium. NUV radiation, which induced negative phototropism ofC. lagenarium, promoted appressorium formation, while red light, which induced positive phototropism, suppressed it significantly. In the case ofB. oryzae, light did not affect the infection structure formation. These results indicate that negative phototropism of germ tubes ofC. lagenarium favors the infection process by facilitating the contact of the tips of germ tubes with the host surface, while positive phototropism has the opposite effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02461305
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