Journal of Pest Science (2022) 95, 619-631
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Attract, reward and disrupt: responses of pests and natural enemies to combinations of habitat manipulation and semiochemicals in organic apple
Journal of Pest Science 95 (2), 619-631
Abstract: The widespread use of pesticides along with the simplification of the landscape has had undesirable effects on agroecosystems, such as the loss of biodiversity and the associated ecosystem service biological control. How current production systems can be remodelled to allow for a re-establishment of biological pest control, while preserving productivity, is a major challenge. Here, we tested whether a combination of tools could augment or synergize biological control of insect pests in apple (Malus domestica), comprised of a tortricid pest complex, a geometrid pest complex and the rosy apple aphid. The tools aimed at disrupting mating behaviour of multiple pest species (multispecies mating disruption, "Disrupt", MMD), attracting natural enemies (a blend of herbivory-induced volatiles, "Attract", A), or providing refuge and rewards for a diverse insect community (perennial flower strip, "Reward", R) over a 3-year period. Suction samples were consistently richer in generalist predators but not in parasitoids when multiple tools including MMD + A + R or MMD + A were employed. In addition, lepidopteran pest levels were significantly lower in these plots than in MMD or MMD + R at the end of the 3-year experiment. This was, however, not reflected in survival of artificially established aphid colonies. Our data indicates that multiple, complementary tools can greatly enhance natural enemy level, but also that long-term implementation is needed to fully realize the augmentatory or synergistic potential of complementary components and restore biological control as an ecosystem service of practical relevance.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Mario Porcel, Marco Tasin
Research topic(s) for pests/diseases/weeds:
environment - cropping system/rotation
pheromones/attractants/traps
Research topic(s) for beneficials or antagonists:
surveys/distribution/isolation
Pest and/or beneficial records:
| Beneficial | Pest/Disease/Weed | Crop/Product | Country | Quarant. |
|---|---|---|---|---|
| Cydia pomonella | Apple (Malus) | Sweden | ||
| Archips rosana | Apple (Malus) | Sweden | ||
| Adoxophyes orana | Apple (Malus) | Sweden | ||
| Archips podana | Apple (Malus) | Sweden | ||
| Pandemis heparana | Apple (Malus) | Sweden | ||
| Hedya nubiferana | Apple (Malus) | Sweden | ||
| Spilonota ocellana | Apple (Malus) | Sweden | ||
| Anthocoris nemoralis (predator) | Sweden | |||
| Atractotomus mali (predator) | Sweden |
