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  • 1
    Electronic Resource
    Electronic Resource
    Identification of chemical oviposition stimulants for the diamondback moth, Plutella xylostella, present in three species of Brassicaceae (1989)
    Springer
    Entomologia experimentalis et applicata 53 (1989), S. 277-286 
    Details
    ISSN: 1570-7458
    Keywords: Plant-insect interaction ; oviposition stimulant ; glucosinolate ; host-plant recognition ; diamondback moth ; Plutella xylostella ; Cruciferae ; Brassicaceae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé Les produits chimiques trouvés dans trois espèces de crucifères cultivées, Brassica napus L., B. juncea (L.) Czerniak, et Sinapis alba L., qui stimulent l'oviposition chez la teigne des crucifères, Plutella xylostella (L.) (Lepidoptera: Plutellidae) ont été examinés. La partie aérienne des plants agés de 4 à 6 semaines a été extraite avec le methanol bouillant à 80%, le methanol pur, et l'éther. La concentration par filtration sur célite a donné comme resultat un ‘extrait aqueux’. Le materiel restant sur la célite a été dissout avec hexane pour donner un ‘extrait lipophillique’. L'extrait aqueux a été fractionné à l'aide de la chromatographie liquide sur échangeur d'ion pour donner trois fractions: neutre, cationique, et anionique. Les extraits et les fractions ont été ajustés à 1 g poids frais de tissu de plant par ml, appliqués sur du papier filtre, et exposés aux papillons femelles dans les essais de choix d'oviposition. L'oviposition a été stimulée fortement en présence de l'extrait aqueux, la fraction anionique, et quelque sous-fractions anioniques. Plus tard, il a été déterminé que ces derniers contenaient des glucosinolates. Chez les trois espèces de crucifères, les stimulants d'oviposition ont été identifiés comme étant des glucosinolates, que l'on retrouve dans toutes les espèces de crucifères. L'activité des extraits a été éliminée en grande partie par traitement avec myrosinase ou sulphatase, des enzymes qui dégradent spécifiquement les glucosinolates. Des standards de references des mêmes glucosinolates et aux même concentrations que dans les extraits ont eu également un effet stimulant. Un essai avec huit glucosinolates differentes à une concentration de 50 μg/ml appliquées sur du papier filter à 3.2 μg/cm2 a démontré que les papillons ne discriminent pas entre les glucosinolates possédant des chaines secondaires differentes. Par contre, dans les essais utilisant l'allylglucosinolate, la réponse d'oviposition a été dépendente de la dose. S. alba a semblé contenir un inhibiteur de l'oviposition, qui est retrouvé dans l'extrait aqueux mais non pas dans la fraction anionique.
    Notes: Abstract Plant chemicals in three cruciferous crop species, Brassica napus L., B. juncea (L.) Czerniak, and Sinapis alba L., that stimulate oviposition in the diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae) were investigated in laboratory bioassays. Aerial portions of 4- to 6-week-old plants were extracted and fractionated using ion-exchange liquid chromatography. The oviposition stimulants were identified as glucosinolates, which are found in all Brassicaceae species. Activity of extracts was largely eliminated by treatment with myrosinase or sulphatase, enzymes which degrade glucosinolates. Reference standards of the same glucosinolates and in the same concentrations as in the extracts were equally stimulatory. A test with eight different glucosinolates demonstrated that the moths do not discriminate between glucosinolates with different side-chain structures. However, in tests using allylglucosinolate the oviposition response was dose-dependent. One of the species tested, S. alba, contained a possible oviposition deterrent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00162859
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  • 2
    Electronic Resource
    Electronic Resource
    Sex attractant for three species of the genusOncocnemis: O. chandleri (Grt.),O. cibalis (Grt.), andO. mackiei (B. & Benj.) (Lepidoptera: Noctuidae) (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 1701-1706 
    Details
    ISSN: 1573-1561
    Keywords: Lepidoptera ; Noctuidae ; Oncocnemis chandleri ; Oncocnemis cibalis ; Oncocnemis mackiei ; (5E7Z)-5 ; 7-dodecadienyl acetate ; (Z)-7-dodecenyl acetate ; sex attractant
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Oncocnemis chandleri, O. cibalis, andO. mackiei were attracted to chemically baited traps in the field. In all three cases, (5E,7Z)-dodecadienyl acetate was a key component for attraction. Attraction ofO. chandleri to traps baited with the (5E,7Z)-dodecadienyl acetate was inhibited by addition of (Z)-7-dodecenyl acetate.O. cibalis required both (5E,7Z)-dodecadienyl acetate and (Z)-7-dodecenyl acetate for attraction. Electroantennogram responses for the three species are also reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987356
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  • 3
    Electronic Resource
    Electronic Resource
    9,11-Dodecadienyl alcohols, acetates, or aldehydes as synthetic chemical sex attractants for four Lepidoptera:Cosmopterix gemmiferella (Clemens),Dichrorampha simulana (Clemens),Tortricidia testacea (Packard), and anAncylis sp. (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 1341-1347 
    Details
    ISSN: 1573-1561
    Keywords: Sex attractant ; Cosmopterigidae ; Tortricidae ; Cosmopterix gemmiferella ; Dichrorampha simulana ; Tortricidia testacea ; Ancylis sp. ; (9Z)-9,11-dodecadienyl acetate ; (9E)-9,11-dodecadienyl acetate ; (9Z)-9,11-dodecadien-1-ol ; (9E)-9,11-dodecadien-1-ol ; (9Z)-9,11-dodecadienal ; (9E)-9,11-dodecadienal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Four lepidoptera were lured to field traps containing various combinations of 9,11-dodecadienes with alcohol, acetate, or aldehyde functional groups. All species required two chemical components for best attraction.Cosmopterix gemmiferella was most responsive to a combination of (9Z)-9,11-dodecadienyl acetate and (9E)-9,11-dodecadienyl acetate in 2∶1 ratio;Dichrorampha simulana to (9E)-9,11-dodecadienyl acetate and (9E)-9,11-dodecadien-1-ol in 10∶1 ratio;Tortricidia testacea to (9Z)-9,11-dodecadienal and (9E)-9,11-dodecadienal in 10∶1 ratio; andAncylis sp. to (9Z)-9,11-dodecadienyl acetate and (9Z)-9,11-dodecadien-1-ol in 10∶1 ratio.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012135
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  • 4
    Electronic Resource
    Electronic Resource
    Field trapping of threeEpinotia species with (Z,Z)-7,9-dodecadienyl acetate (Lepidoptera: Tortricidae) (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 1389-1398 
    Details
    ISSN: 1573-1561
    Keywords: (Z,Z)-7,9-Dodecadienyl acetate ; (Z,Z)-7,9-dodecadien-1-ol ; Epinotia silvertoniensis ; Epinotia criddleana ; Epinotia sp. ; Lepidoptera ; Tortricidae ; sex attractant
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Field survey of the geometrical isomers of 7,9-dodecadienyl alcohol, acetate, and aldehyde has resulted in attractants and inhibitors for three species of tortricid moths.Epinotia silvertoniensis and an undescribedEpinotia sp. were all attracted to (Z,Z)-7,9-dodecadienyl acetate. AnotherEpinotia sp. was attracted to (Z,Z)-7,9-dodecadienyl acetate and (Z,Z)-7,9-dodecadien-1-ol. Electroantennogram data and inhibition patterns for one of theEpinotia sp. are also reported. In addition,E. criddleana was attracted to lures containing (E)-9-dodecenyl acetate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012139
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  • 5
    Electronic Resource
    Electronic Resource
    Attraction of sphingid moths (Lepidoptera: Sphingidae) to 10,12-hexadecadienyl aldehydes and acetates: Evidence of pheromone components (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 931-942 
    Details
    ISSN: 1573-1561
    Keywords: Attractant ; pheromone ; 10,12-hexadecadienal ; 10,12-hexadecadienyl acetate ; Smerinthus jamaicensis ; Smerinthus cerisyi ; Paonias exceactus ; Paonias myops ; Pachysphinx modesta ; Hemaris diffinis ; Proserpinus flavofasciata ; Hyles gallii ; Hyles euphorbiae ; Sphinx vashti ; Sphinx drupiferarum ; Lepidoptera ; Sphingidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A field survey of 10,12-hexadecadienyl alcohols, acetates, and aldehydes showed attraction to a wide range of sphingid moths. Data are presented showing the attraction ofSmerinthus jamaicensis, Smerinthus cerisyi, Pachysphinx modesta, Hemaris diffinis, andProserpinus flavofasciata to these compounds. Mass spectral, EAG, and EAD data show evidence for the presence of these dienes in female extracts ofS. cerisyi, Hyles gallii, andSphinx drupiferarum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01020172
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  • 6
    Electronic Resource
    Electronic Resource
    Attraction of tortricid moths of subfamily olethreutinae to field traps baited with dodecadienes (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 217-230 
    Details
    ISSN: 1573-1561
    Keywords: Sex attractant ; Lepidoptera ; Tortricidae ; Olethreutinae ; 8,10-dodecadienes ; 7,9-dodecadienes ; field trapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract All four geometrical isomers of 7,9- and 8,10-dodecadienes with acetate, alcohol, and aldehyde functional groups were synthesized and field tested. The field survey produced sex attractant lures for 14 insect species. Species in the generaCydia, Grapholita, Eucosma, Pelochrista, Petrova, Phenta, Hedya, and Pseudosciaphila were captured. Defined lures were developed for some of the species captured. Gas chromatographie retention times for all geometrical isomers of 7,9- and 8,10-dodecadienes with acetate, alcohol, and aldehyde functional groups are reported. A study of the isomerization of 8,10-dodecadienyl acetates and aldehydes impregnated in rubber septa is reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988204
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  • 7
    Electronic Resource
    Electronic Resource
    Attraction of moth species of Tortricidae, Gelechiidae, Geometridae, Drepanidae, Pyralidae, and Gracillariidae families to field traps baited with conjugated dienes (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 1645-1657 
    Details
    ISSN: 1573-1561
    Keywords: Sex attractant ; Lepidoptera ; Tortricidae ; Gelechiidae ; Geometridae ; Drepanidae ; Pyralidae ; Gracillariidae ; conjugated diene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Field surveys of a series of conjugated diunsaturated straight-chain primary alcohols, acetates, and aldehydes (dienes), including the 3,5-dode-cadienyl, 8,10-dodecadienyl, 3,5-tetradecadienyl, 8,10-tetradecadienyl, 9,11-tetradecadienyl, and 10,12-tetradecadienyl primary alcohols, acetates, and most aldehydes, and the related monounsaturated straight-chain primary alcohols, acetates, and aldehydes (monoenes), including the 3-dodecadienyl alcohol and acetates, attracted the following species from the title families. Diene attractants have been demonstrated for at least onePhyllonorycter sp.,Chionodes lugubrella (Fabr.),Leptostales ferruminaria (Zell.),Drepana bilineata (Pack.),Pyrausta fodinalis (Led.),Notocelia purpurissatana Heinr.,Phaneta alterana Heinr. Monoene attractants were demonstrated forHedya separatana (Kft.),Cydia fletcherana (Kft.),Barbara mappana Free.,Ancylis burgessiana (Zell.),Ancylis nubeculana Clem.,Evippe prunifoliella Cham.,Phlyctaenia coronata tertialis (Gn.), aChionodes sp., a Gelechiidae sp., and an unidentifiedPhyllonorycter sp. Replicated field experiments showed attraction-inhibition relationships for most species. Electroantennagram data are presented forLeptostales ferruminaria andDrepana bilineata.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012118
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  • 8
    Electronic Resource
    Electronic Resource
    (Z,Z)-7,9-Dodecadienyl acetate, sex pheromone ofEpinotia tedella clerck (Lepidoptera: Tortricidae) (1989)
    Springer
    Journal of chemical ecology 15 (1989), S. 2457-2464 
    Details
    ISSN: 1573-1561
    Keywords: (Z,Z)-7,9-Dodecadienyl acetate ; pheromone ; sex attractant ; attraction inhibitors ; olfactory receptors ; Epinotia tedella ; Epinotia spp. ; Tortricidae ; Lepidoptera
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract (Z,Z)-7,9-dodecadienyl acetate, a reported male attractant for several New World spp. ofEpinotia, was identified as the primary pheromone of femaleE. tedella (European spruce budmoth) through chemical analysis of pheromone gland washes, the electrophysiological study of male antennal receptor types, and field-trapping tests. The washes contained this compound at a level of approximately 0.4 ng per FE, along with a similar amount of the corresponding alcohol, (Z,Z)-7,9-dodecadien-1-ol. Each compound activated its own specialized type of male receptor cell. No traces of stereoisomers or monoenes were found in the washes. In field-trapping tests conducted in stands of Norway spruce in southern Germany, (Z,Z)-7,9-do-decadienyl acetate as a single chemical proved highly attractive to maleE. tedella over a range of lure doses. The corresponding alcohol or aldehyde did not show attractivity; rather, in binary combinations with the primary pheromone, these compounds, and also the (E,Z)-7,9 stereoisomeric acetate, reduced captures. A 10∶1 blend of (E)-9- and (Z)-9-dodecenyl acetates, reported as anE. tedella male attractant, did not reveal significant captures. No otherEpinotia spp. besidesE. tedella responded to the various 7,9-do-decadienyl test baits during this study.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01020376
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  • 9
    Electronic Resource
    Electronic Resource
    Durchlässi-akeitseinheit eines porösen Mediums (1934)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 98 (1934), S. 429-429 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01352663
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  • 10
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    Unknown
    The Measurement of the Permeability of Porous Media for Homogeneous Fluids (1933)
    American Institute of Physics
    Details
    Publication Date: 1933-07-01
    Print ISSN: 0034-6748
    Electronic ISSN: 1089-7623
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Published by American Institute of Physics
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