Search Results - "Poppy, G.M"

Fitness trade-off in peach-potato aphids (Myzus persicae) between insecticide resistance and vulnerability to parasitoid attack at several spatial scales by Foster, S P, Denholm, I, Poppy, G M, Thompson, R, Powell, W

“…Insecticide-resistant clones of the peach-potato aphid, Myzus persicae (Sulzer), have previously been shown to have a reduced response to aphid alarm pheromone…”
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Reduced response of insecticide-resistant aphids and attraction of parasitoids to aphid alarm pheromone; a potential fitness trade-off by Foster, S P, Denholm, I, Thompson, R, Poppy, G M, Powell, W

“…Response to the alarm pheromone, (E)-beta-farnesene, produced by many species of aphids, was assessed in laboratory bioassays using an aphid pest, Myzus…”
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Behavioural responses of the aphid parasitoid Diaeretiella rapae to volatiles from Arabidopsis thaliana induced by Myzus persicae by Girling, R.D, Hassall, M, Turner, J.G, Poppy, G.M

“…In response to herbivory by insects, several plant species have been shown to produce volatiles that attract the natural enemies of those herbivores. Using a…”
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Mitigation of indirect environmental effects of GM crops by Pidgeon, J.D, May, M.J, Perry, J.N, Poppy, G.M

“…Currently, the UK has no procedure for the approval of novel agricultural practices that is based on environmental risk management principles. Here, we make a…”
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The role of plant chemical cues in determining host preference in the generalist aphid parasitoid Aphidius colemani by Storeck, A., Poppy, G.M., van Emden, H.F., Powell, W.

“…The host preference behaviour of the generalist aphid parasitoid Aphidius colemani was investigated using a Y‐tube olfactometer. Female A. colemani showed a…”
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Age-related increase in levels of insecticidal protein in the progenies of transgenic oilseed rape and its efficacy against a susceptible strain of diamondback moth by Wei, W, Schuler, T.H, Clark, S.J, Stewart, C.N. Jr, Poppy, G.M

“…Many crops transformed with insecticidal genes isolated from Bacillus thuringiensis (Bt) show resistance to targeted insect pests. The concentration of Bt…”
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Laboratory studies of the effects of reduced prey choice caused by Bt plants on a predatory insect by Schuler, T H, Clark, A J, Clark, S J, Poppy, G M, Stewart, Jr, C N, Denholm, I

“…Crops transformed to express Bacillus thuringiensis (Bt) toxins can cause close to 100% mortality of certain target pest species. This study assessed the…”
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The role of volatiles from cruciferous plants and pre-flight experience in the foraging behaviour of the specialist parasitoid Cotesia plutellae by Potting, R.P.J. (IACR-Rothamsted, Harpenden, Herts. (United Kingdom). Entomology and Nematology Dept.), Poppy, G.M, Schuler, T.H

“…The braconid Cotesia plutellae is an important larval parasitoid of the diamondback moth (Plutella xylostella), a major pest of crucifers in the tropics and…”
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Effects of artificial diet containing GNA and GNA-expressing potatoes on the development of the aphid parasitoid Aphidius ervi Haliday (Hymenoptera: Aphidiidae) by Couty, A, Down, R.E, Gatehouse, A.M.R, Kaiser, L, Pham-Delègue, M.-H, Poppy, G.M

“…Aphid parasitoids are important biological control agents. The possibility arises that whilst foraging on insect-resistant transgenic plants, they are…”
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Interview with Guy M. Poppy by Poppy, G.M.

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Comparison of Glass Vessels and Plastic Bags for Enclosing Living Plant Parts for Headspace Analysis by Stewart-Jones, A, Poppy, G.M

“…Plants release volatile chemicals into their surrounding air space that can affect the physiology of neighboring plants and influence the behavior of insects…”
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Strategies Involved in the Location of Hosts by the ParasitoidAphidius erviHaliday (Hymenoptera: Braconidae: Aphidiinae) by Powell, W, Pennacchio, F, Poppy, G.M, Tremblay, E

“…The parasitoidAphidius erviHaliday uses both semiochemical and physical cues to locate and recognize its main host, the pea aphidAcyrthosiphon pisum(Harris)…”
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How does scientific risk assessment of GM crops fit within the wider risk analysis? by Johnson, Katy L., Raybould, Alan F., Hudson, Malcolm D., Poppy, Guy M.

“…The debate concerning genetically modified crops illustrates confusion between the role of scientists and that of wider society in regulatory decision making…”
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Response of Aphidius colemani to aphid sex pheromone varies depending on plant synergy and prior experience by Fernández-Grandon, G M, Poppy, G M

“…A critical stage in the success of a parasitoid is the ability to locate a host within its habitat. It is hypothesized that a series of olfactory cues may be…”
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Effects of Bt maize on the herbivore Spodoptera littoralis (Lepidoptera: Noctuidae) and the parasitoid Cotesia marginiventris (Hymenoptera: Braconidae) by Vojtech, E, Meissle, M, Poppy, G.M

“…Recent studies have shown that transgenic insect resistant plants can have negative effects on non-target herbivores as well as on beneficial insects. The…”
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Insect-resistant transgenic plants by Schuler, Tanja H, Poppy, Guy M, Kerry, Brian R, Denholm, Ian

“…The technology of insect-resistant transgenic plants is expanding very rapidly, with considerable research activity in both the private and public sectors. The…”
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Growth, productivity, and competitiveness of introgressed weedy Brassica rapa hybrids selected for the presence of Bt cry1Ac and gfp transgenes by Halfhill, M.D, Sutherland, J.P, Moon, H.S, Poppy, G.M, Warwick, S.I, Weissinger, A.K, Rufty, T.W, Raymer, P.L, Stewart, C.N. Jr

“…Concerns exist that transgenic crop × weed hybrid populations will be more vigorous and competitive with crops compared with the parental weed species…”
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Identification of semiochemicals released during aphid feeding that attract parasitoid Aphidius ervi by Du, Y. (ACR-Rothamsted, Herts, UK.), Poppy, G.M, Powell, W, Pickett, J.A, Wadhams, L.J, Woodcock, C.M

“…Herbivore induced release of plant volatiles mediating the foraging behavior of the aphid parasitoid Aphidius ervi was investigated using the pea aphid,…”
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Geneflow from GM plants – towards a more quantitative risk assessment by Poppy, Guy M.

“…Assessing the risks associated with geneflow from GM crops to wild relatives is a significant scientific challenge. Most researchers have focused on assessing…”
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Suitability of Arabidopsis thaliana as a model for host plant?Plutella xylostella?Cotesia plutellae interactions by Barker, J.E., Poppy, G.M., Payne, C.C.

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