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Laboratory studies of the effects of reduced prey choice caused by Bt plants on a predatory insect

Laboratory studies of the effects of reduced prey choice caused by Bt plants on a predatory insect
Laboratory studies of the effects of reduced prey choice caused by Bt plants on a predatory insect
Crops transformed to express Bacillus thuringiensis (Bt) toxins can cause close to 100% mortality of certain target pest species. This study assessed the effect of target pest reduction on the predatory insect Chrysoperla carnea (Stephens) in the presence of alternative prey. Numbers of lacewings recovered from Bt oilseed rape (cultivar Oscar, event O52) did not differ significantly from numbers of lacewings recovered from conventional oilseed rape in cage experiments with the target pest Plutella xylostella (Linnaeus) and the non-target pest Myzus persicae (Sulzer) when aphid densities were high. However, significantly fewer lacewings were recovered from Bt plants as aphid densities were lowered. Lacewing weights were not affected by plant type.
transgenic plants, biosafety, chrysoperla carnea, myzus persicae, plutella xylostella, brassica napus
0007-4853
243-247
Schuler, T.H.
f6edcf77-93e2-4e08-9167-96f17a0acf98
Clark, A.J.
5e558600-2e98-4523-aaf4-7648c8f9d516
Clark, S.J.
671192a5-76fb-4fc1-a693-db782b74ea56
Poppy, G.M.
e18524cf-10ae-4ab4-b50c-e73e7d841389
Stewart, C.N.
ed3b6e73-62b7-4a21-a202-58b6277c8e7c
Denholm, I.
c1a2523f-69de-44a0-b60b-716f0082498a
Schuler, T.H.
f6edcf77-93e2-4e08-9167-96f17a0acf98
Clark, A.J.
5e558600-2e98-4523-aaf4-7648c8f9d516
Clark, S.J.
671192a5-76fb-4fc1-a693-db782b74ea56
Poppy, G.M.
e18524cf-10ae-4ab4-b50c-e73e7d841389
Stewart, C.N.
ed3b6e73-62b7-4a21-a202-58b6277c8e7c
Denholm, I.
c1a2523f-69de-44a0-b60b-716f0082498a

Schuler, T.H., Clark, A.J., Clark, S.J., Poppy, G.M., Stewart, C.N. and Denholm, I. (2005) Laboratory studies of the effects of reduced prey choice caused by Bt plants on a predatory insect. Bulletin of Entomological Research, 95, 243-247. (doi:10.1079/BER2004356).

Record type: Article

Abstract

Crops transformed to express Bacillus thuringiensis (Bt) toxins can cause close to 100% mortality of certain target pest species. This study assessed the effect of target pest reduction on the predatory insect Chrysoperla carnea (Stephens) in the presence of alternative prey. Numbers of lacewings recovered from Bt oilseed rape (cultivar Oscar, event O52) did not differ significantly from numbers of lacewings recovered from conventional oilseed rape in cage experiments with the target pest Plutella xylostella (Linnaeus) and the non-target pest Myzus persicae (Sulzer) when aphid densities were high. However, significantly fewer lacewings were recovered from Bt plants as aphid densities were lowered. Lacewing weights were not affected by plant type.

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More information

Published date: 1 June 2005
Keywords: transgenic plants, biosafety, chrysoperla carnea, myzus persicae, plutella xylostella, brassica napus

Identifiers

Local EPrints ID: 56207
URI: https://eprints.soton.ac.uk/id/eprint/56207
ISSN: 0007-4853
PURE UUID: 0bbea57d-6885-4c9b-be21-807dc932e180

Catalogue record

Date deposited: 07 Aug 2008
Last modified: 17 Jul 2017 14:31

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