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The pollination of onion (Allium cepa L.) to produce hybrid seed.

Published online: 01 Jan 1976

Authors: Williams, I. H. & Free, J. B.

Content type: Journal article

Journal title: Journal of Applied Ecology

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

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Influence of the location of honeybee colonies on their choice of pollen sources.

Published online: 01 Jan 1977

Authors: Free, J. B. & Williams, I. H.

Content type: Journal article

Journal title: Journal of Applied Ecology

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...

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The foraging behaviour of honeybees (Apis mellifera L.) on Brussels sprout (Brassica oleracea L.).

Published online: 01 Jan 1975

Authors: Free, J. B. & Williams, I. H.

Content type: Journal article

Journal title: Journal of Applied Ecology

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 ...

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The transport of pollen on the body hairs of honeybees (Apis mellifera L.) and bumblebees (Bombus spp. L.).

Published online: 01 Jan 1974

Authors: Free, J. B. & Williams, I. H.

Content type: Journal article

Journal title: Journal of Applied Ecology

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...

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The pollination of onion (Allium cepa L.) to produce hybrid seed.

Published online: 01 Jan 1975

Authors: Williams, I. H. & Free, J. B.

Content type: Journal article

Journal title: Journal of Applied Ecology

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

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