المؤلفون: Perry, Joe N., Noh, Maeng Seok, Lee, Youngjo, Alston, Robert D., Norowi, H. Mohd, Powell, Wilf, Rennolls, Keith

المصدر: Proceedings: Biological Sciences, 2000 Oct . 267(1457), 2043-2048.

الوصول الحر: https://www.jstor.org/stable/2665838Test

المؤلفون: Höller, Carsten, Borgemeister, Christian, Haardt, Helmut, Powell, Wilf

المصدر: Journal of Animal Ecology, 1993 Jan 01. 62(1), 12-21.

الوصول الحر: https://www.jstor.org/stable/5478Test

المؤلفون: Pareja, Martín, Brown, Valerie K., Powell, Wilf

المصدر: Basic & Applied Ecology; Oct2008, Vol. 9 Issue 6, p701-708, 8p

مصطلحات موضوعية: PARASITOIDS, PLANT parasites, INSECT population density, APHIDIUS, CENTAUREA, PARASITISM, POPULATION dynamics, UROLEUCON

المؤلفون: Pérez, Mercedes López, Argudín, Miriam Fernández, Powell, Wilf

المصدر: Biocontrol Science & Technology; Sep2007, Vol. 17 Issue 7, p677-686, 10p, 4 Graphs

مصطلحات موضوعية: HYMENOPTERA, PARASITOIDS, APHIDS, VEGETABLES, AGRICULTURAL pests, EGGPLANT, PLANT diseases, OKRA, HOST plants

المؤلفون: Powell, Wilf, Pickett, John A.

المصدر: Pest Management Science; Feb2003, Vol. 59 Issue 2, p149, 7p, 1 Chart, 2 Graphs

مصطلحات موضوعية: APHIDS, PARASITOIDS, INTEGRATED pest control, PHEROMONES

المؤلفون: VAN EMDEN, HELMUT F.¹ h.f.vanemden@reading.ac.uk, STORECK, ANDREW P.², DOULOUMPAKA, SOPHIA¹, ELEFTHERIANOS, IOANNIS¹, POPPY, GUY M.³ gmp@soton.ac.uk, POWELL, WILF² wilf.powell@bbsrc.ac.uk

المصدر: European Journal of Entomology. 2008, Vol. 105 Issue 3, p477-483. 7p. 2 Diagrams, 6 Graphs.

مصطلحات موضوعية: *PARASITOIDS, *GREEN peach aphid, *BRACONIDAE, *APHIDIUS, *APHIDS, *PARASITISM

المؤلفون: Foster, Stephen P.¹ stephen.foster@bbsrc.ac.uk, Tomiczek, Monique¹, Thompson, Robin², Denholm, Ian¹, Poppy, Guy³, Kraaijeveld, Alex R.³, Powell, Wilf¹

المصدر: Animal Behaviour. Sep2007, Vol. 74 Issue 3, p621-632. 12p.

مصطلحات موضوعية: *INSECTICIDE resistance, *APHIDS, *PESTICIDE resistance, *PARASITES