More is less: mass-flowering fruit tree crops dilute parasite transmission between bees

Piot, Niels; Eeraerts, Maxime; Pisman, Matti; Claus, Gregor; Meeus, Ivan; Smagghe, Guy

doi:10.1016/j.ijpara.2021.02.002

Cited by 14 publications

(19 citation statements)

References 60 publications

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“…Within the analyzed pollen samples (n = 10) collected over a three-year period at the Huldenberg experimental farm we found that 10% contained pear pollen, i.e., only in the sample collected in 2018. This result is in line with the result of a previous study [50]. In that study, pollen collected by Osmia spp.…”

Section: • Molecular Analysissupporting

confidence: 93%

“…), and pear (Pyrus communis) as well as on five pollen mixtures (originating from Osmia spp. brood cells with known plant genus composition [50] (see supplementary Table S4)). The primers showed no cross reactivity and could detect Pyrus communis in the mixed pollen sample.…”

Section: Molecular Analysis Of Solitary Bee-collected Pollen With Pear-specific Primersmentioning

confidence: 99%

“…Pollen samples were homogenized with mortar and pestle and approximately 0.07 g of homogenized sample was transferred to a 2 mL tube. Further extraction proceeded as described earlier [50], using the Invisorb Spin Tissue Mini Kit (Stratec Biomedical, Birkenfeld Germany). Extracted DNA was stored at −20 • C until further use.…”

Section: Molecular Analysis Of Solitary Bee-collected Pollen With Pear-specific Primersmentioning

confidence: 99%

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Towards Integrated Pest and Pollinator Management in Intensive Pear Cultivation: A Case Study from Belgium

Beliën¹,

Raymaekers²,

Eeraerts

et al. 2021

Insects

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Recently, the concept of Integrated Pest Management (IPM) was further extended into Integrated Pest and Pollinator Management (IPPM). Implementation of IPPM strategies entails the combination of actions for pest and pollinator management providing complementary or synergistic benefits for yield and/or quality of the harvest. The aim of this study was to examine IPPM elements (i.e., mixed hedgerow, nesting boxes for mason bees, Osmia spp.) and demonstrate their impact in the practical context of modern commercial fruit cultivation in a 4-year case study in an intensive ‘Conference’ pear orchard. The outcomes of visual observations during transect walks and molecular analysis of pollen collected by mason bees, showed the importance of additional floral resources for the presence of mason bees and other pollinating insects in the orchard environment. Pear quality assessments indicated that insect-mediated pollination had a significant positive impact, with a tendency for higher quality pears in the close vicinity of Osmia nesting boxes. However, despite the fact that pear pollen was also detected in Osmia spp. nest cells, the amount and frequency of pear pollen collection for their nest built-up turned out to be rather low. In the same intensive pear orchard studied for pollination effects, we simultaneously demonstrate the impact of a mixed hedgerow to enhance integrated pest control.

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Section: • Molecular Analysissupporting

confidence: 93%

Section: Molecular Analysis Of Solitary Bee-collected Pollen With Pear-specific Primersmentioning

confidence: 99%

Section: Molecular Analysis Of Solitary Bee-collected Pollen With Pear-specific Primersmentioning

confidence: 99%

See 1 more Smart Citation

Towards Integrated Pest and Pollinator Management in Intensive Pear Cultivation: A Case Study from Belgium

Beliën¹,

Raymaekers²,

Eeraerts

et al. 2021

Insects

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“…In particular, agricultural intensification appears to negatively impact on wild bee communities [12,13]. In fact, overall biodiversity typically decreases with increasing land-use intensity [14,15], which directly or indirectly leads to loss of floral diversity and nesting sites [10,16], and may alter pathogen prevalence [17][18][19]. Declining floral diversity in turn decreases the spectrum of flowering plants that are available as food sources, and therefore restricts the nutritional landscape accessible to bees [20][21][22][23].…”

Section: Bees Decline Because Their Food Sources Disappearmentioning

confidence: 99%

Critical links between biodiversity and health in wild bee conservation

Parreño

Alaux

Brunet

et al. 2022

Trends in Ecology & Evolution

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“…The identification of pollen in nests has also been used to investigate the relationship between mass-flowering crops and the prevalence of parasites, finding that increased abundance of resources may help to reduce transmission by diluting parasite transmission through reducing visitation frequency per flower [113].…”

Section: What Is the Relationship Between Plant Use And Pollinator Health?mentioning

confidence: 99%

Using DNA Metabarcoding to Identify Floral Visitation by Pollinators

Lowe¹,

Jones²,

Witter³

et al. 2022

Preprint

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The identification of floral visitation by pollinators provides an opportunity to improve our understanding of the fine-scale ecological interactions between plants and pollinators, contributing to biodiversity conservation and promoting ecosystem health. In this review we outline the various methods which can be used to identify floral visitation, providing a comparison between molecular and non-molecular methods. We review the literature covering the ways in which DNA metabarcoding has been used to answer ecological questions relating to plant use by pollinators and discuss the findings of this research. We present detailed methodological considerations for each step of the metabarcoding workflow, from sampling through to amplification and finally bioinformatic analysis. Detailed guidance is provided to researchers for utilization of these techniques, emphasizing the importance of standardization of methods and improving the reliability of results. Future opportunities and directions of using molecular methods to analyze plant-pollinator interactions are then discussed.

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More is less: mass-flowering fruit tree crops dilute parasite transmission between bees

Cited by 14 publications

References 60 publications

Towards Integrated Pest and Pollinator Management in Intensive Pear Cultivation: A Case Study from Belgium

Towards Integrated Pest and Pollinator Management in Intensive Pear Cultivation: A Case Study from Belgium

Critical links between biodiversity and health in wild bee conservation

Using DNA Metabarcoding to Identify Floral Visitation by Pollinators

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