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A meta-analysis of biocontrol potential and herbivore pressure in olive crops: Does integrated pest management make a difference?

Vasconcelos, Sasha and Jonsson, Mattias and Heleno, Ruben and Moreira, Francisco and Beja, Pedro (2022). A meta-analysis of biocontrol potential and herbivore pressure in olive crops: Does integrated pest management make a difference? Basic and Applied Ecology. 63 , 115-124
[Article Review/Survey]

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Abstract

Agricultural policies in the European Union (EU) are increasingly promoting organic management and integrated pest management (IPM) as environmentally friendly alternatives to high-input conventional management. While there is consensus that organic management is largely beneficial for biodiversity, including the natural enemies of crop pests, IPM has been much less scrutinized. We conducted a meta-analysis based on 294 observations extracted from 18 studies to compare the effects of conventional, IPM and organic management on biocontrol potential and herbivore pressure in olive, an important cash crop in the EU. Information about the management practices used was also compiled to assess differences in intensity between the three management strategies. Results suggest that IPM is predominantly based on intensive practices, employing chemical control rather than preventive measures as a first resort. Biocontrol potential and herbivore pressure were similar in conventional management and IPM. Moreover, biocontrol potential was higher in organic crops than in crops under IPM, especially when considering canopy-dwelling natural enemies. Although organic management enhanced biocontrol potential, it also benefitted some olive pests, and in both cases effects were more pronounced at warmer temperatures. Our results suggest that, in its current form, IPM might not significantly affect biocontrol potential or herbivore pressure when compared with conventional olive crop management. A shift to a more comprehensive implementation of IPM practices is thus needed, involving the use of proactive measures to promote natural enemies and regulate olive pests before resorting to chemical control. Moreover, greater use of non-chemical inputs might be required for effective regulation of olive pests in organic olive crops. (C) 2022 Published by Elsevier GmbH on behalf of Gesellschaft fur Okologie.

Authors/Creators:Vasconcelos, Sasha and Jonsson, Mattias and Heleno, Ruben and Moreira, Francisco and Beja, Pedro
Title:A meta-analysis of biocontrol potential and herbivore pressure in olive crops: Does integrated pest management make a difference?
Series Name/Journal:Basic and Applied Ecology
Year of publishing :2022
Volume:63
Page range:115-124
Number of Pages:10
Publisher:ELSEVIER GMBH
ISSN:1439-1791
Language:English
Publication Type:Article Review/Survey
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution-Noncommercial-No Derivative Works 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Agricultural Science
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
Keywords:Integrated pest management, Organic management, Olive farming, Biocontrol, Meta-analysis
URN:NBN:urn:nbn:se:slu:epsilon-p-118528
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-118528
Additional ID:
Type of IDID
DOI10.1016/j.baae.2022.05.009
Web of Science (WoS)000822743700003
ID Code:28549
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology
Deposited By: SLUpub Connector
Deposited On:25 Aug 2022 10:25
Metadata Last Modified:25 Aug 2022 10:31

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