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  • 1
    Electronic Resource
    Electronic Resource
    Insecticides from Plants, Nicandrenone, A New Compound with Insecticidal Properties, Isolated From Nicandra Physalodes (1964)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 12 (1964), S. 55-59 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60131a017
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Juvenile Hormone Activity of Isomers of Farnesol (1962)
    [s.l.] : Nature Publishing Group
    Nature 196 (1962), S. 908-909 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have also tested, and are able to confirm, the juvenile hormone activity of farnesol and farnesal and another related terpene, nerolidol, on T, molitor pupae; no activity was found in geraniol, citronellol, squalene, and mevalonic acid lactone. Table l. JUVENILE HORMONE ACTIVITY OF ISOMERS or ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/196908b0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Factors determining the selection of plants for oviposition by the tobacco hornworm Manduca sexta (1969)
    Springer
    Entomologia experimentalis et applicata 12 (1969), S. 504-508 
    Details
    ISSN: 1570-7458
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung Auf Grund von Beobachtungen und Versuchen in großen Käfigen wird ein allgemeines Schema des Eiablageverhaltens von Manduca sexta (Johan.) entworfen. Es bestehen zwei Phasen in der Orientierung auf die Pflanzen, die Annäherung und die Landung. Die Annäherung scheint unterschiedslos ungerichtet zu erfolgen; die Schwärmer benutzen während dieser Phase visuelle Schlüsselreize. Die Landung ist entscheidend gerichtet und beruht auf erlernten Reaktionen auf spezifische Geruchsreize. Nach der Landung löst ein chemischer Kontaktreiz die Ablage der Eier aus.
    Notes: Abstract A generalized scheme concerning the oviposition behavior of Manduca sexta (Johan.) moths was constructed according to observations and experiments conducted in large cages. There are two phases in the orientation to plants, the approach and the landing. The approach appears non-discriminatory and the moths utilize visual cues during this phase. The landing is discriminatory and is based on fixed or learned responses to olfactory stimuli. After landing, contact chemostimulation elicits deposition of eggs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00297081
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of day length and light intensity on 2-tridecanone levels and resistance inLycopersicon hirsutum f.glabratum toManduca sexta (1981)
    Springer
    Journal of chemical ecology 7 (1981), S. 707-716 
    Details
    ISSN: 1573-1561
    Keywords: Manduca sexta (L.) ; Lepidoptera ; Sphingidae ; Lycopersicon hirsutum f.glabratum ; day length ; light intensity ; 2-tridecanone ; glandular trichome ; resistance ; allelochemic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract First instarManduca sexta (L.) larvae confined on foliage fromLycopersicon hirsutum f.glabratum (accession PI 134417) plants grown under a long-day regime exhibited greater mortality than larvae on foliage from plants grown under a short-day regime. 2-Tridecanone, a toxin important in the insect resistance of PI 134417, was significantly more abundant in the foliage of plants grown under the long-than the short-day regimes. Light intensity influenced neither 2-tridecanone levels nor the expression of resistance. The density of glandular trichomes, which secrete 2-tridecanone, was influenced by an interaction between day length and light intensity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990303
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    Paper (German National Licenses)
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