Flowering and quality of seeds and pollen in endangered populations of Betula humilis Trees: Structure and Function
Agnieszka Bona, Stanisław Kłosowski, Katarzyna A. Jadwiszczak, Galya Petrova Corresponding author:
Agnieszka Bona; a.bona@uwb.edu.pl
Faculty of Biology, University of Białystok, Ciołkowskiego 1J, 15-245 Białystok, Poland
Online Resource 3
Table Percentage of stained and germinated pollen grains from B. humilis and tree birches
inflorescences collected during maximum pollen release of B. humilis (MPBh) and maximum pollen release of tree birches (MPBp). N – number of samples
Site code
B. humilis pollen B. pendula and B. pubescens pollen
MPBh MPBh MPBp
N Staining Germination N Staining Germination N Staining Germination
SOL 12 91.8 1.2 7 96.3 3.0 7 97.7 57.8
JEZ 11 97.3 3.1 7 97.3 6.0 6 97.9 30.8
ROS 11 97.2 0.8 2 97.3 9.6 7 97.0 11.7
MB 13 94.7 0.9 7 97.1 3.5 6 99.0 33.3
SUS 13 96.4 1.5 5 95.7 7.2 7 98.2 20.6
GRZ 11 95.8 2.0 7 93.9 1.1 7 97.9 40.6
mean 95.5 1.6 96.3 5.1 97.9 32.5