March 2019 - 15

MSUE VEGETABLE NOTES
Impact on honeybee colonies
Stationary
Wagons
Honeybee hives mounted on a wagon for transport.
July 3
2017 and 2018, we measured cucumber
yield in 21 fields across central and
eastern Michigan. Fourteen fields were
pollinated exclusively by stationary
hives, and seven fields were pollinated
exclusively by hives on wagons. Yield was
assessed by collecting 20 plants selected
randomly from across the whole field
two days before harvest. All cucumbers
were stripped from plants and graded
according to USDA standards.
Fields pollinated by stationary colonies
had higher set rates and a greater number of
high-quality sizes (average of 48 grade 1-4
cucumbers per 20 plants, with an average of
29 grade 2-3 cucumbers. Fields pollinated
by colonies on wagons had a lower set rate
and fewer high-quality sizes (42 grade 1-4
cucumbers and 26 grade 2-3 cucumbers).
Overall, fields using stationary colonies
had 14 percent more grade 1-4
cucumbers per plant and 13 percent
more grade 2-3 cucumbers per plant.
Summary
We found that moving hives on
wagons reduced the growth of honeybee
colonies and slightly reduced cucumber
yield. Because honeybee workers can fly
several miles to forage, where cucumber
plantings are close together (less than
one mile from hives) we recommend
leaving hives in a single location
throughout the summer. Colonies will
grow to a greater size, contain more
worker bees and these bees will visit
more flowers. If plantings are too far
apart, then colonies should be moved at
night time to avoid the loss of foraging
workers. VGN
July 17-18
Date
Growth of honeybee colonies over the summer, as measured by the number of frames
per hive covered in worker bees.
Impact on cucumber yield
Stationary
Wagons
July 31
August 15
Grades 1-4
Grades 2-3
Grade categories
Cucumber yields in fields with hives that are stationary compared to hives that were
moved on wagons.
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VGN | MARCH 2019 | 15
Number of cucumbers per 20 plants
10
20
30
40
50
Number of frames of bees
10
5
15
20
http://www.growspan.com

March 2019

Table of Contents for the Digital Edition of March 2019

March 2019 - 1
March 2019 - 2
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March 2019 - 40
https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2024
https://www.nxtbook.com/greatamericanmediaservices/VGN/february-2024
https://www.nxtbook.com/greatamericanmediaservices/VGN/vgn-digital-seed-guide-2024
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2024
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyers-guide-2024
https://www.nxtbook.com/greatamericanmediaservices/VGN/december-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/november-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/september-october-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/july-august
https://www.nxtbook.com/greatamericanmediaservices/VGN/may-june-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/april-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/vgn-digital-seed-guide-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/february-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/december-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyers-guide-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/november-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/september-october-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/august-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/july-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/june-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/may-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/february-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/seedguide-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyersguide-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/december-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/november-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/october-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/september-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/august-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/july-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/june-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/may-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/april-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/february-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/seedguide-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyersguide-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/december-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/november-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/october-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/september-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/august-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/july-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/june-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/may-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/april-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/february-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyersguide-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/december-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/november-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/october-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/september-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/august-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/july-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/june-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/may-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/april-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/february-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyersguide-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2019
https://www.nxtbookmedia.com