Table 2.

Allele frequencies and observed heterozygosities at 14 polymorphic STS loci^* in black spruce and red spruce

Locus	Allele frequencies							Observed heterozygoties
	Alleles sizes, bp	Black spruce		Red spruce		Heterogeneity G test†		Black spruce		Red spruce
		Allopatric	Sympatric	Sympatric	Allopatric	Areas of allopatry	Areas of sympatry	Allopatric	Sympatric	Sympatric	Allopatric
Sb01	1,870	0.051	—	0.023	0.048	66.27‡	19.77‡	0.641	0.579	0.750	0.581
	1,900	0.077	0.171	0.125	—
	1,930	0.538	0.592	0.432	0.306
	1,960	0.077	0.105	0.364	0.629
	2,010	0.167	0.079	0.034	—
	2,075	0.064	0.053	0.023	0.016
	2,125	0.013	—	—	—
	2,155	0.013	—	—	—
Sb06	539	0.940	0.974	1.0	1.0	6.46§	3.15	0.119	0.053	0	0
	609	0.060	0.026	—	—
Sb07	645	—	0.066	—	—	—	6.97§	0	0.026	0	0
	648	1.0	0.934	1.0	1.0
Sb08	634	0.038	0.041	—	—	30.57‡	9.78§	0.400	0.432	0.178	0
	645	0.175	0.230	0.322	—
	646	0.738	0.581	0.622	1.0
	653	0.050	0.149	0.056	—
Sb11	691	0.122	0.145	0.044	—	13.48‡	5.14	0.195	0.132	0	0
	695	0.878	0.855	0.956	1.0
Sb14	446	0.976	1.0	1.0	1.0	2.50	—	0	0	0	0
	500	0.024	—	—	—
Sb21	471	0.131	0.224	0.033	0.068	1.78	15.55‡	0.167	0.289	0.067	0.027
	474	0.869	0.776	0.967	0.932
Sb24	738	0.967	0.861	1.0	0.893	2.55	16.53‡	0.067	0.278	0	0.214
	771	0.033	0.139	—	0.107
Sb29	553	0.155	0.158	0.022	—	18.89‡	14.04‡	0.286	0.316	0.044	0
	574	0.833	0.816	0.978	1.0
	580	0.012	0.026	—	—
Sb31	439	0.048	0.026	—	—	5.15	3.15	0.095	0.053	0	0
	449	0.952	0.974	1.0	1.0
Sb51	345	—	0.013	—	—	—	1.57	0	0.026	0	0
	358	1.0	0.987	1.0	1.0
Sb62	681	0.690	0.622	0.044	0.014	182.99‡	139.00‡	0.452	0.405	0.111	0.027
	689	0.143	0.054	0.011	—
	691	0.036	0.054	0.944	0.986
	706	0.131	0.270	—	—
Sb70	404	0.024	0.066	—	—	199.50‡	109.83‡	0.048	0.184	0.400	0.054
	410	—	0.053	0.800	0.973
	417	0.976	0.882	0.200	0.027
Sb72	515	0.024	0.132	0.567	0.417	40.78‡	35.97‡	0.049	0.053	0.511	0.556
	523	0.976	0.868	0.433	0.583
n of alleles		37	36	28	22

^*Other STS loci (12) tested were monomorphic in black spruce and red spruce (see Results). 

^†Heterogeneity G test (36) of allele frequencies between black spruce and red spruce. 

^‡Significant at P < 0.01. 

^§Significant at P < 0.05.