Journal ArticleDOI
The pollination of oilseed rape ( Brassica napus ) and the behaviour of bees on the crop
J. B. Free,P. M. Nuttall +1 more
TLDR
In spite of the entomophilic structure of the rape flower, which is very attractive to nectar- and pollen-gathering bees, the crop gives good yields without insect pollination.Abstract:
In spite of the entomophilic structure of the rape flower, which is very attractive to nectar- and pollen-gathering bees, the crop gives good yields without insect pollination.read more
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Journal ArticleDOI
Assessing the risks of wind pollination from fields of genetically modified Brassica napus ssp. oleifera
TL;DR: Assessment of the movement of airborne pollen grains from oilseed rape fields and their capacity for long-range geneflow suggest that transgene movement to non genetically-modified fields or ‘feral’ populations is likely following commercial release.
Journal ArticleDOI
Frequency and distance of pollen dispersal from transgenic oilseed rape ( Brassica napus )
TL;DR: The selectable marker, used to follow pollen movement, was a dominant transgene (bar) conferring resistance to the herbicide glufosinate-ammonium, a dominanttransgene in Brassica napus (oilseed rape) and results were confirmed by testing progeny for glufOSinate resistance and by Southern blot analysis.
Journal ArticleDOI
Influence of honey bee (Hymenoptera: Apidae) density on the production of canola (Crucifera: Brassicacae)
TL;DR: The introduction of honey bees contributed to production and consequently, these pollinators represented a beneficial and important pollen vector for the optimal yield of canola.
Journal ArticleDOI
Evaluating the effectiveness of isolation distances for field plots of oilseed rape (Brassica napus) using a herbicide-resistance transgene as a selectable marker
TL;DR: Results indicated that bees were the most likely agent for long-distance pollen dispersal and the effectiveness of 200- and 400-m isolation distances were evaluated for small-scale trials of oilseed rape.
Journal ArticleDOI
Pollen morphology and its effect on pollenl collection by honey bees, Apis Mellifera L. (Hymenoptera: Apidae), with special Reference to Upland Cotton, Gossypium Hirsutum L. (Malvaceae)
TL;DR: Honey bees visited all pollen dishes, but okra pollen was never packed successfully by the bees landing in the pollen dish, indicating that none of them was strongly repellent to the bees.
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