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Feasibility of mechanical pollination in tree fruit and nut crops: a review


Eyles, A and Close, DC and Quarrell, SR and Allen, GR and Spurr, CJ and Barry, KM and Whiting, MD and Gracie, AJ, Feasibility of mechanical pollination in tree fruit and nut crops: a review, Agronomy, 12, (5) Article 1113. ISSN 2073-4395 (2022) [Refereed Article]

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Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons 4.0 International (CC BY 4.0) license (

DOI: doi:10.3390/agronomy12051113


Pollination is essential for the production of most fruit and nut crops, yet it is often a limiting factor for both yield and product quality. Mechanical pollination (MP) systems offer the potential to increase productivity of a broad range of horticultural fruit and nut crops, and to manage the risk of reliance on current insect pollination services. To date, commercial MP systems have been developed for only a few crops (e.g., kiwifruit and date palm), suggesting that innovation in the use of MP systems has been stymied. Here, we review published and ‘grey’ literature to investigate the feasibility of MP systems of economically important tree fruit and nut crops. This review found that, whilst MP systems are a commercial reality for a wider range of fruit crops (e.g., sweet cherry) than nut crops (e.g., almond), promising results have been achieved at the experimental scale. Further we identified that the key barriers for progressing MP systems more widely include knowledge gaps in pollination biology, particularly of emerging fruit and nut species that are grown outside their native distributions, and access to proprietorial knowledge gained by commercial operators. What continues to remain unclear is detailed knowledge of the commercial development of MP systems and therefore, the opportunities to apply this knowledge to other tree crops where effective pollination limits yield and quality.

Item Details

Item Type:Refereed Article
Keywords:pollination biology, pollen quality, pollinator, pollinisers, incompatibility
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Horticultural production
Research Field:Horticultural production not elsewhere classified
Objective Division:Plant Production and Plant Primary Products
Objective Group:Horticultural crops
Objective Field:Pome fruit, pip fruit
UTAS Author:Eyles, A (Dr Alieta Eyles)
UTAS Author:Close, DC (Professor Dugald Close)
UTAS Author:Quarrell, SR (Dr Stephen Quarrell)
UTAS Author:Allen, GR (Associate Professor Geoff Allen)
UTAS Author:Barry, KM (Associate Professor Kara Barry)
UTAS Author:Gracie, AJ (Professor Alistair Gracie)
ID Code:149901
Year Published:2022
Web of Science® Times Cited:1
Deposited By:TIA - Research Institute
Deposited On:2022-04-27
Last Modified:2022-11-16
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