Calamine population
Mountain population
Statistic chi square test
Developing additional embryo sac in an ovule
7.1% 254/18 8.2% 239/19
N=493; χ2=0.13; 0.9<P<0.5
Degenerations during megasporogenesis and megagametogenesis
14.0 % 236/33 7.3 % 220/16
N=456; χ2=5.35; 0.05<P<0.02*
Shortened embryo sac
25.5% 141/36 3.8% 146/6
N=287; χ2=26.35; P<0.001*
Aging embryo sac without fertilization
9.9% 141/14 6.8% 146/10
N=287; χ2=0.89; 0.3<P<0.5
Degenerations during embryogenesis
15.5% 45/7 5.3% 38/2
N=83; χ2=2.11; 0.2<P<0.1**
Degenerations of flower buds, flowers, ovules
5.9% 339/40 6.6% 318/41
N=657; χ2=0.18; 0.3<P<0.5
Number of all analyzed ovules/numbers of analyzed stages, *-statistically significant difference, **- insufficient number of analyzed ovules Number of all analyzed ovules/numbers of analyzed stages, *-statistically significant difference, **- insufficient number of analyzed ovules Number of all analyzed ovules/numbers of analyzed stages, *-statistically significant difference, **- insufficient number of analyzed ovules Number of all analyzed ovules/numbers of analyzed stages, *-statistically significant difference, **- insufficient number of analyzed ovules