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  1. Vol. 24 No. 2, p. 375-377
     
    Received: Apr 26, 1983
    Published: Mar, 1984


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doi:10.2135/cropsci1984.0011183X002400020042x

A Quantitative Sampling Method for Airborne Sweet Corn Pollen under Field Conditions1

  1. P. K. Flottum,
  2. D. C. Robacker and
  3. E. H. Erickson2

Abstract

Abstract

The rate of pollen dehiscence in a sweet corn (Zea mays L.) plot was measured using a Rotorod Sample®. Samples were taken from 0700 to 1230 h for 3 days during anthesis. Totals were averaged over the 3 days, and the resulting composite data were used to develop a sampling protocol accurate for determining the rate of pollen release. Results showed that a 10-min sampling period, with a frequency of at least once every half hour was required to accurately reflect the pollen release rate.

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