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 1
Table Seed quality parameters and mean phosphates concentrations in the shrub birch and tree birches seeds.
N – number of samples, GS – percent of germinated seeds, FDE – percent of seeds with fully developed embryo, but not germinated, PDE – percent of seeds with partially developed embryo, ES – percent of empty seeds, Pi – inorganic phosphate, Po – organic phosphate, Pt – total phosphate
Site code
Seeds quality P concentration per seed N Weight of
100 seeds [g] GS FDE PDE ES N Pi [µg] Po [µg] Pt [µg]
B. humilis
SOL 30 0.0174
± 0.00314 4.9* 2.9 43.9 48.4 22 0.487
± 0.272
0.856
± 0.309
1.343
± 0.533
JEZ 30 0.0178
± 0.0042 0.5* 7.2 35.1 57.3 28 0.356
± 0.124
0.833
± 0.307
1.188
± 0.390
ROS 30 0.0179
± 0.00445 1.7* 0.7 29.5 68.1 12 0.486
± 0.257 1.483
± 0.952 1.968
± 1.192
MB 30 0.0182
± 0.00532 7.1* 5.2 62.1 25.6 19 0.293
± 0.139 0.93
± 0.630 1.222
± 0.734
GP 30 0.0132
± 0.00282 0.6* 5.4 58.5 35.5 22 0.313
± 0.126
0.819
± 0.321
1.132
± 0.406
SUS 30 0.0180
± 0.00552 2.3* 9.0 55.0 33.7 28 0.383
± 0.215
0.822
± 0.262
1.205
± 0.387
mean 0.0171 2.9 5.1 47.3 44.8 0.386 0.957 1.343
B. pendula and B. pubescens
SOL 14 0.0145
± 0.00453 14.6 2.4 25.8 57.2 11 0.293
± 0.149 0.503
± 0.324 0.797
± 0.457
JEZ 17 0.0124
± 0.00542 18.5 5.3 15.4 60.9 15 0.241
± 0.107
0.507
± 0.381
0.748
± 0.482
ROS 18 0.0162
± 0.00443 22.3 2.2 18.0 57.6 13 0.312
± 0.140
0.705
± 0.319
1.017
± 0.408
MB 8 0.0117
± 0.00285 2.2 2.6 29.3 65.9 8 0.216
± 0.044
0.441
± 0.202
0.656
± 0.224
GP 14 0.0133
± 0.00569 8.7 7.4 26.9 57.0 10 0.267
± 0.175 0.442
± 0.258 0.709
± 0.403
SUS 13 0.0184
± 0.00843 7.3 11.4 30.9 50.4 9 0.299
± 0.122
0.681
± 0.334
0.98
± 0.448
mean 0.0144 12.3 5.2 24.4 58.2 0.271 0.547 0.818
* – data after Bona et al. (2019)
