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Pheromonal and kairomonal attraction of Ascogaster quadridentata Wesmael (Hymenoptera : Braconidae), a parasitoid of Cydia pomonella L. (Lepidoptera : Tortricidae).

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Pheromonal and kairomonal attraction of Ascogaster quadridentata Wesmael (Hymenoptera : Braconidae), a parasitoid of Cydia pomonella L. (Lepidoptera : Tortricidae)./
作者:	DeLury, Naomi Catherine.
面頁冊數:	1 online resource (95 pages)
附註:	Source: Masters Abstracts International, Volume: 37-06, page: 1766.
Contained By:	Masters Abstracts International37-06.
標題:	Entomology. -
電子資源:	click for full text (PQDT)
ISBN:	9780612375109

Pheromonal and kairomonal attraction of Ascogaster quadridentata Wesmael (Hymenoptera : Braconidae), a parasitoid of Cydia pomonella L. (Lepidoptera : Tortricidae).
DeLury, Naomi Catherine.

Pheromonal and kairomonal attraction of Ascogaster quadridentata Wesmael (Hymenoptera : Braconidae), a parasitoid of Cydia pomonella L. (Lepidoptera : Tortricidae). - 1 online resource (95 pages)

Source: Masters Abstracts International, Volume: 37-06, page: 1766.

Thesis (M.Sc.)--Simon Fraser University (Canada), 1998.

Includes bibliographical references

Ascogaster quadridentata Wesmael is an egg-larval endoparasitoid of the codling moth, Cydia pomonella L., a key pest of apples worldwide. Little is known about the chemical ecology of A. quadridentata.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9780612375109Subjects--Topical Terms:

668730
Entomology.
Index Terms--Genre/Form:

554714
Electronic books.

Pheromonal and kairomonal attraction of Ascogaster quadridentata Wesmael (Hymenoptera : Braconidae), a parasitoid of Cydia pomonella L. (Lepidoptera : Tortricidae).
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100 1 $a DeLury, Naomi Catherine. $3 1190909
245 1 0 $a Pheromonal and kairomonal attraction of Ascogaster quadridentata Wesmael (Hymenoptera : Braconidae), a parasitoid of Cydia pomonella L. (Lepidoptera : Tortricidae).
264 0 $c 1998
300 $a 1 online resource (95 pages)
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500 $a Source: Masters Abstracts International, Volume: 37-06, page: 1766.
500 $a Adviser: G. Gries.
502 $a Thesis (M.Sc.)--Simon Fraser University (Canada), 1998.
504 $a Includes bibliographical references
520 $a Ascogaster quadridentata Wesmael is an egg-larval endoparasitoid of the codling moth, Cydia pomonella L., a key pest of apples worldwide. Little is known about the chemical ecology of A. quadridentata.
520 $a Porapak Q-collected extracts of female A. quadridentata-produced volatiles bioassayed in Y-tube olfactometers attracted male, but not female, A. quadridentata. Coupled gas chromatographic-electroantennographic detection (GC-EAD) analysis of the bioactive extracts revealed three compounds that elicited responses by male A. quadridentata antennae. GC-mass spectra (MS) indicated and comparative analyses of standards confirmed that these compounds were Z9,Z12-octadecadienal, Z9-hexadecenal and 3,7,11-trimethyl-6E,10-dodecadienal. Z9,Z12-Octadecadienal alone attracted laboratory-reared male A. quadridentata in Y-tube olfactometers and field-cage bioassays, and attracted wild male A. quadridentata in a field experiment. This sex pheromone could be used to help delineate natural distributions of A. quadridentata, investigate why A. quadridentata survives in some areas and not others and determine potential sources of parasitoids for capture and release.
520 $a Host location by A. quadridentata was shown to be mediated by kairomones associated with its C. pomonella host. In Y-tube olfactometer bioassays, female A. quadridentata were attracted to Porapak Q-collected volatile extracts from female C. pomonella scales and eggs, but not to C. pomonella sex pheromone. Only the scales of female C. pomonella were attractive to male A. quadridentata. Antennally-active compounds in scale volatile extracts included heptanal, octanal, nonanal, decanal, undecan-2-one, dodecanal, pentadecan-2-one, Z6-pentadecen-2-one, Z9-hexadecenal, Z6-heptadecen-2-one, and 3,7,11-trimethyl-2E,6E, 10-dodecatrien-1-ol acetate. A synthetic blend of these compounds at quantities and ratios equivalent to Porapak Q scale extract was attractive to female A. quadridentata in a Y-tube olfactometer bioassay. Identification and deployment of the behaviourally active compounds may augment A. quadridentata management in target orchards, increasing immigration while decreasing emigration of the parasitoid.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Entomology. $3 668730
650 4 $a Plant pathology. $3 1183408
655 7 $a Electronic books. $2 local $3 554714
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710 2 $a ProQuest Information and Learning Co. $3 1178819
710 2 $a Simon Fraser University (Canada). $3 1184300
773 0 $t Masters Abstracts International $g 37-06.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ37510 $z click for full text (PQDT)