Spatial and temporal genetic variation in Ethiopian barley (Hordeum vulgare L.) landraces as revealed by simple sequence repeat (SSR) markers

Table 1 Summary sample size (N), number of alleles (Na), effective alleles (Ne), Shannon’s information index (I), Nei’s genetic diversity (h), observed heterozygosity (Ho), expected heterozygosity (He), allelic richness (Ar), inbreeding coefficient (Fis), Global Fst and percent polymorphic loci (PPL) averaged over all regions of origin, altitude classes and collection year

Population	N	Na	Ne	I	h	Ho	He	Ar	F_IS	F_ST	PIC	PPL
Regions of origin
Amhara	88	2.143	1.551	0.514	0.335	0.662	0.688	9.700	0.035	0.078	0.573	100.000
Oromia	188	4.102	1.763	0.615	0.426	0.594	0.693	9.300	0.048	0.082	0.652	100.000
SNNP	42	1.469	1.709	0.575	0.395	0.517	0.730	5.400	-0.184	0.081	0.474	100.000
Tigray	57	1.694	1.482	0.598	0.419	0.613	0.773	8.800	0.039	0.077	0.604	97.960
B/Gumuz	9	0.347	1.779	0.463	0.301	0.613	0.695	3.200	-0.029	0.034	0.535	93.880
Mean		1.951	1.657	0.552	0.375	0.600	0.715	7.280	0.067	0.070	0.568	98.368
Altitude classes^a
Altitude class I	9	1.046	1.716	0.591	0.405	0.380	0.556	1.700	0.064	0.053	0.374	100.000
Altitude class II	112	2.296	1.731	0.607	0.417	0.498	0.521	5.300	-0.048	0.058	0.483	100.000
Altitude class III	187	2.427	1.751	0.616	0.425	0.403	0.428	10.200	0.085	0.082	0.504	100.000
Altitude class IV	76	1.279	1.68	0.587	0.399	0.375	0.404	8.100	-0.020	0.074	0.407	100.000
Mean		1.762	1.719	0.600	0.412	0.414	0.477	6.325	0.054	0.079	0.442	100.000
Collection year^b
Year I	218	2.902	1.733	0.609	0.419	0.362	0.421	9.450	0.063	0.056	0.453	100.000
Year II	97	2.512	1.695	0.594	0.405	0.411	0.409	7.310	0.098	0.041	0.541	100.000
Year III	47	1.731	1.757	0.615	0.425	0.353	0.435	8.800	0.087	0.029	0.337	100.000
Year IV	22	1.444	1.771	0.619	0.429	0.375	0.449	7.903	-0.111	0.011	0.420	100.000
Mean		2.147	1.739	0.609	0.420	0.375	0.429	8.366	0.090	0.034	0.438	100.000

^aAltitude class I = ≤ 1500 m, Altitude class II = 1501-2000 m, Altitude class III = 2001-2500 m, Altitude class III = > 2500 m
^bYear I = 1976–1986, Year II = 1987–1996, Year III = 1997–2006, Year IV = 2007–2017
N sample size, Na number alleles per locus, Ne number of effective alleles, I Shannon’s information index, h Nei genetic diversity, Ho observed heterozygosity, He expected heterozygosity, Ar allele richness, F_IS = inbreeding coefficient, F_ST fixation index, PIC polymorphic information content, PPL percent polymorphic loci

ISSN: 2048-7010