Cases and Studies of Security & Regulation in Lottery & Gambling
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- Article] Multiple agents in biological control: improving the odds?
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DocNo of ILP: 6247
Doc. Type: Article
Title: Multiple agents in biological control: improving the odds?
Authors: Denoth, M; Frid, L; Myers, JH
Full Name of Authors: Denoth, M; Frid, L; Myers, JH
Keywords by Author: biological control; competitive exclusion; establishment rates; success rates; multiple agents
Keywords Plus: INTRODUCED NATURAL ENEMIES; COMPETITIVE-EXCLUSION; PHYTOPHAGOUS INSECTS; PARASITOIDS; WEEDS; SAFETY
Abstract: The current interest in risks associated with classical biological control led us to review the literature to determine whether the introduction of multiple biological control agents has been more effective than the introduction of a single control agent. We analyzed 59 projects against weeds and 108 projects against insect pests. Establishment of control agents was significantly higher in single-agent projects than in multiple-agent projects against insect pests, but not in projects against weeds. The success of biological control against weeds increased with the number of agents released. However, no relationship was found between the number of agents released and biological control success for insect pests. These results suggest that negative interactions may play a significant role amongst biological control agents of insects. Thus, multiple releases may be effective against weeds only. In over 50% of the successful multiple-agent projects against weeds and insect pests, a single agent was shown to be responsible for success. This result indicates that, in a majority of biological control projects, multiple agents are not released for a cumulative control effect but to increase the likelihood that the right control species is released (lottery model). Considering the possibility of negative interactions among biological control agents and taking into account the risks associated with natural enemy introductions, we recommend restraint in the introduction of multiple agents for biological control. (C) 2002 Elsevier Science (USA). All rights reserved.
Cate of OECD: Environmental biotechnology
Year of Publication: 2002
Business Area: other
Detail Business: medicine & science
Country: USA
Study Area:
Name of Journal: BIOLOGICAL CONTROL
Language: English
Country of Authors: Univ British Columbia, Dept Zool, Vancouver, BC V6T 1Z4, Canada
Press Adress: Denoth, M (reprint author), Univ British Columbia, Dept Zool, 6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada.
Email Address:
Citaion:
Funding:
Lists of Citation: Bellows TS, 2001, BIOL CONTROL, V21, P199, DOI 10.1006/bcon.2001.0936; Callaway RM, 1999, ECOLOGY, V80, P1196, DOI 10.1890/0012-9658(1999)080[1196:BCHMIC]2.0.CO;2; CALTAGIRONE LE, 1981, ANNU REV ENTOMOL, V26, P213, DOI 10.1146/annurev.en.26.010181.001241; Cory JS, 2000, TRENDS ECOL EVOL, V15, P137, DOI 10.1016/S0169-5347(99)01807-8; De Moraes CM, 1999, ECOL ENTOMOL, V24, P402, DOI 10.1046/j.1365-2311.1999.00212.x; DENNO RF, 1995, ANNU REV ENTOMOL, V40, P297, DOI 10.1146/annurev.en.40.010195.001501; EHLER LE, 1982, ENVIRON ENTOMOL, V11, P1; Ferguson KI, 1996, OECOLOGIA, V108, P375; Fowler SV, 2000, AUSTRAL ECOL, V25, P553, DOI 10.1046/j.1442-9993.2000.01075.x; Greathead D.J., 1992, BIOCONTROL NEWS INFO, V13, P61; Harris P., 1985, P 6 INT S BIOL CONTR, P3; HAWKINS BA, 1993, AM NAT, V141, P634, DOI 10.1086/285495; Hawkins BA, 1997, OECOLOGIA, V112, P566, DOI 10.1007/s004420050346; Hopper KR, 1998, PHYTOPROTECTION, V79, P84; HOWARTH FG, 1991, ANNU REV ENTOMOL, V36, P485, DOI 10.1146/annurev.en.36.010191.002413; Julien M. H., 1998, BIOL CONTROL WEEDS W; JULIEN MH, 1984, PROT ECOL, V7, P3; KELLER MA, 1984, ENVIRON ENTOMOL, V13, P192; LEVEQUE L, 1993, OECOLOGIA, V94, P272, DOI 10.1007/BF00341327; McFadyen REC, 1998, ANNU REV ENTOMOL, V43, P369, DOI 10.1146/annurev.ento.43.1.369; Myers J. H., 2000, Proceedings of the X International Symposium on Biological Control of Weeds, Bozeman, Montana, USA, 4-14 July, 1999, P569; Myers J.H., 1985, P 6 INT S BIOL CONTR, P77; MYERS JH, 1989, ENVIRON ENTOMOL, V18, P541; Reitz SR, 1996, ENTOMOL EXP APPL, V79, P227; ROSENHEIM JA, 1995, BIOL CONTROL, V5, P303, DOI 10.1006/bcon.1995.1038; SPSS, 1998, SYSTAT 8 0 WIND; TREXLER JC, 1993, ECOLOGY, V74, P1629, DOI 10.2307/1939921
Number of Citaion: 27
Publication: ACADEMIC PRESS INC ELSEVIER SCIENCE
City of Publication: SAN DIEGO
Address of Publication: 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
ISSN: 1049-9644
29-Character Source Abbreviation: BIOL CONTROL
ISO Source Abbreviation: Biol. Control
Volume: 24
Version: 1
Start of File: 20
End of File: 30
DOI: 10.1016/S1049-9644(02)00002-6
Number of Pages: 11
Web of Science Category: Biotechnology & Applied Microbiology; Entomology
Subject Category: Biotechnology & Applied Microbiology; Entomology
Document Delivery Number: 553AD
Unique Article Identifier: WOS:000175652100003
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