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The concentrations of air-borne rape pollen over a crop of oil-seed rape (Brassica napus L.)

Published online by Cambridge University Press:  27 March 2009

Ingrid H. Williams
Ingrid H. Williams
Affiliation:
Rothamsted Experimental Station, Harpenden, Hertfordshire
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Summary

The air over a crop of flowering winter oil-seed rape was sampled for 39 days with an automatic volumetric spore trap. Considerable quantities of rape pollen were caught on most days. Density of pollen showed marked diel periodicity; few grains were caught at night and at mid-day, peaks occurred in late morning and early afternoon. It is concluded that wind plays a considerable role in pollination of the crop.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 103 , Issue 2 , October 1984 , pp. 353 - 357
Copyright
Copyright © Cambridge University Press 1984

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