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. 2017 Jul 6;303(8):1093–1108. doi: 10.1007/s00606-017-1435-6

Table 2.

Deduced size classes, average sizes and proportions from pollen volumetric measurements

Beckman Coulter Multisizer 3 Microscope
x ≤ 19 19 < x ≤ 27 27 < x ≤ 33 x > 33 Aborted Non-viable Viable, small Viable, large Viable Non-viable
A B C1 C2 A B C1 C2
Diploids
 N 15,184 53,841 112,859 9101 126 1925 3040 1416 2868 3639
 ØN/individual 287 1146 1710 1011 2 29 45 21 43 54
 Mean diameter [µm] 18.3 ± 0.6 20.6 ± 4.7 26.7 ± 1.5 33.4 ± 1.7
 Proportion [%] 8.0 28.2 59.1 4.8 1.9 29.6 46.7 21.8 44.1 55.9
Tetraploids
 N 24,893 120,724 69,693 12,266 1463 4439 2396 1112 2892 6518
 ØN/individual 372 1548 882 371 16 49 27 12 32 72
 Mean diameter [µm] 18.2 ± 0.4 22.6 ± 2.4 28.6 ± 1.2 34.4 ± 1.3
 Proportion [%] 10.9 53.0 30.6 5.4 15.5 47.2 25.5 11.8 30.7 69.3

Sizes correspond to diameters; size means and proportions are calculated with pooled results of all measured pollen per cytotype

N total number of measurements (particles), ØN/individual mean number of measurements (particles) per individual