Commercial blueberry Vaccinium spp. (Ericales: Ericaceae) production relies on insect-mediated pollination. Pollination is mostly provided by rented honey bees, Apis mellifera L. (Hymenoptera: Apidae), but blueberry crop yields can be limited due to pollination deficits.Various hive placement strategies have been recommended to mitigate pollination shortfalls, but the effect of hive placement has received limited formal investigation.This study explores the effects of clumped and dispersed hive placement strategies on honey bee visitation and pollination outcomes in “Bluecrop” and “Duke” fields over 2 years (2021 and 2022) within 2 economically important regions of production in the United States—the Midwest (Michigan) and Pacific Northwest (Oregon and Washington). Clumping hives consistently increased honey bee visitation rate but did not result in higher fruit set, fruit weight, or seed count. Increases in honey bee visitation through clumping could perhaps improve pollination outcomes in more pollination-limited blueberry cultivars and other pollination-dependent crops. Clumping hives is substantially more efficient and cost-effective for beekeepers due to fewer drop locations and could lead to cost savings for both beekeepers and blueberry growers without growers sacrificing pollination levels and crop yields.
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9 November 2024
Strategic honey bee hive placement improves honey bee visitation but not pollination in northern highbush blueberry
Kayla Brouwer,
Maxime Eeraerts,
Emma Rogers,
Lauren Goldstein,
Jacquelyn A. Perkins,
Meghan O. Milbrath,
Andony Melathopoulos,
Jason Meyer,
Clark Kogan,
Rufus Isaacs,
Lisa Wasko DeVetter
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Apis mellifera
bees
crop pollination
hive placement
Vaccinium