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Managing Floral Resources in Apple Orchards for Pest Control: Ideas, Experiences and Future Directions

Herz, Annette; Cahenzli, Fabian; Penvern, Servane; Pfiffner, Lukas; Tasin, Marco and Sigsgaard, Lene (2019) Managing Floral Resources in Apple Orchards for Pest Control: Ideas, Experiences and Future Directions. insects, 10 (8), p. 247.

[thumbnail of Herz_2019_Review_FS.PDF] PDF - English

Document available online at: https://www.ncbi.nlm.nih.gov/pubmed/31405257


Functional biodiversity is of fundamental importance for pest control. Many natural enemies rely on floral resources to complete their life cycle. Farmers need to ensure the availability of suitable and sufficient floral biodiversity. This review summarizes 66 studies on the management of floral biodiversity in apple orchards, published since 1986. Approaches followed different degrees of intervention: short-termpractices (mowing regime andweedmaintenance, cover crops), establishment of durable ecological infrastructures (perennial flower strips, hedgerows) and re-design of the crop system (intercropping, agroforestry). Although short-term practices did not always target the nutrition of natural enemies by flowering plants, living conditions for them(alternative prey, provision of habitat) were often improved. Perennial flower strips reliably enhanced natural enemies and techniques for their introduction continuously developed. Resident natural enemies and their impact in pest control reacted positively to the introduction of a more diversified vegetation, whereas the response of very mobile organisms was often not directly linked to the measures taken. A careful selection and management of plantswith particular traits exploitable bymost natural enemies emerged as a key-point for success. Now the elaborated design of such measures needs to be adopted by stakeholders and policy makers to encourage farmers to implement these measures in their orchards.

EPrint Type:Journal paper
Keywords:biological control, ecological infrastructure, fruit growing, functional biodiversity, integrated pest management
Subjects: Crop husbandry > Production systems > Fruit and berries
Crop husbandry > Crop health, quality, protection
Research affiliation: Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Plant Protection and Biodiversity
Deposited By: Daniel, Dr. Claudia
ID Code:37121
Deposited On:27 Jan 2020 12:22
Last Modified:27 Jan 2020 13:46
Document Language:English
Refereed:Peer-reviewed and accepted

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