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Blocks of onion plants were either caged with honeybee colonies or left uncaged. Although the uncaged plants produced fewer umbels, the weight of seed...

When about 10% of crops of sweet cherry, kale, field bean and red clover were in flower, colonies were moved to sites either in the crop or at some di...

Bees foraging for nectar on flowers of cultivars with deep corolla tubes and large floral parts found it difficult to reach the inner nectaries. They ...

Pollen was transferred from the body of one honeybee to another as they brushed against each other inside the hive. Much of the pollen on the bodies o...

In general, bees collecting nectar only, as well as bees collecting nectar and pollen, preferred male-fertile to male-sterile cultivars of onion plant...