Opportunities to reduce pollination deficits and address production shortfalls in an important insect-pollinated crop
Garratt, Michael P. D. (University of Reading)
de Groot, G. Arjen (Wageningen Environmental Research)
Albrecht, Matthias (Agroscope)
Bosch, Jordi 1961- (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Breeze, Tom D. (University of Reading)
Fountain, Michelle T. (East Malling Horticultural and Agricultural Research Institute)
Klein, Alexandra M. (Albert-Ludwigs-University)
McKerchar, Megan (University of Worcester)
Park, Mia (North Dakota State University)
Paxton, Robert J. (Martin Luther-University Halle-Wittenberg)
Potts, Simon G. (University of Reading)
Pufal, Gesine (Albert-Ludwigs-University)
Rader, Romina (University of New England)
Senapathi, Deepa (University of Reading)
Andersson, Georg K. S. (Lund University)
Bernauer, Olivia M. (Western Sydney University)
Blitzer, Eleanor J. (Carroll College)
Boreux, Virginie (Albert-Ludwigs-University)
Campbell, Alistair J. (Embrapa Amazônia Oriental)
Carvell, Claire (UK Centre for Ecology & Hydrology)
Földesi, Rita (Institute of Ecology and Botany)
García, Daniel (Universidad de Oviedo)
Garibaldi, Lucas Alejandro (Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural)
Hambäck, Peter A. (Stockholm University)
Kirkitadze, Giorgi (Agricultural University of Georgia)
Kovács-Hostyánszki, Anikó
Martins, Kyle T. (McGill University)
Miñarro, Marcos (Servicio Regional de Investigación y Desarrollo Agroalimentario)
O'Connor, Rory (University of Reading)
Radzeviciute, Rita (University of Leipzig)
Roquer-Beni, Laura (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Samnegård, Ulrika (Lund University)
Scott, Lorraine (Queen's University Belfast)
Vereecken, Nicolas J. (Université libre de Bruxelles)
Wäckers, Felix (Lancaster University)
Webber, Sean M. (University of Reading)
Japoshvili, George (Agricultural University of Georgia)
Zhusupbaeva, Aigul (Academy of Public Administration under the President of the Kyrgyz Republic)

Data:	2021
Resum:	Pollinators face multiple pressures and there is evidence of populations in decline. As demand for insect-pollinated crops increases, crop production is threatened by shortfalls in pollination services. Understanding the extent of current yield deficits due to pollination and identifying opportunities to protect or improve crop yield and quality through pollination management is therefore of international importance. To explore the extent of "pollination deficits," where maximum yield is not being achieved due to insufficient pollination, we used an extensive dataset on a globally important crop, apples. We quantified how these deficits vary between orchards and countries and we compared "pollinator dependence" across different apple varieties. We found evidence of pollination deficits and, in some cases, risks of overpollination were even apparent for which fruit quality could be reduced by too much pollination. In almost all regions studied we found some orchards performing significantly better than others in terms of avoiding a pollination deficit and crop yield shortfalls due to suboptimal pollination. This represents an opportunity to improve production through better pollinator and crop management. Our findings also demonstrated that pollinator dependence varies considerably between apple varieties in terms of fruit number and fruit quality. We propose that assessments of pollination service and deficits in crops can be used to quantify supply and demand for pollinators and help to target local management to address deficits although crop variety has a strong influence on the role of pollinators.
Ajuts:	Ministerio de Economía y Competitividad PCIN-2014-145-C02 Ministerio de Economía y Competitividad RTA2013-00139-C03-01
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Agro-ecology ; Apples ; Malus domestica ; Pollinators ; Sustainable crop production
Publicat a:	Ecological Applications, Vol. 31, Issue 8 (December 2021) , art. e02445, ISSN 1939-5582

DOI: 10.1002/eap.2445
PMID: 34448315

12 p, 1.7 MB

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