A NEW CONTINUOUS POLLEN SAMPLER
- 1 October 1961
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Plant Science
- Vol. 41 (4), 849-853
- https://doi.org/10.4141/cjps61-124
Abstract
A new continuous volumetric pollen sampler is described which eliminates considerable labour when studying diurnal variations for long periods. Preliminary results using this new apparatus at Ottawa in late August and September showed definite hour-to-hour Ambrosia pollen variations with peaks up to nearly 400 pollen per cubic yard of air occurring in the early morning.Keywords
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