Table 3.

Population genetic parameters for the partial RdRP gene sequences (495 bp) of HfMV1 recovered from Hymenoscyphus albidus and H. fraxineus.

Population	N	Sequence Length	Net Sites	S	η	h	Hd	π	K
H. fraxineus all	221	495	348	49	57	48	0.79	0.007	2.35
H. fraxineus CH	214	495	349	50	58	49	0.80	0.007	2.41
H. fraxineus S-CH *	90	495	359	33	37	28	0.80	0.008	2.98
H. fraxineus SW-CH	41	495	485	89	102	27	0.96	0.039	19.21
H. fraxineus N-CH	85	495	458	73	81	53	0.96	0.019	8.72
H. fraxineus NW-F	5	495	488	16	16	3	0.70	0.014	6.60
H. albidus all	34	495	426	99	129	28	0.99	0.080	34.02
H. albidus CH	29	495	427	94	122	24	0.99	0.078	33.39
H. albidus S-CH	12	495	443	79	94	12	1.00	0.067	29.74
H. albidus SW-CH	13	495	467	76	88	10	0.96	0.052	24.03
H. albidus NW-F	5	495	494	34	34	4	0.90	0.026	14.40
H. fraxineus & H. albidus total	255	495	348	71	89	73	0.84	0.015	5.33

Only populations ≥5 samples were considered. Abbreviations: N, number of isolates; Sequence length, entire sequence length in bp; Net sites, sequence length in analysis; S, number of segregating sites; η, total number of mutations occurred in that population; h, number of haplotypes; Hd, haplotype diversity; π, nucleotide diversity estimated by the average number of differences per site between two sequences; K, average number of nucleotide differences; CH: Switzerland, S-CH: Southern Switzerland, SW-CH: South-Western Switzerland, N-CH: Northern Switzerland, NW-F: North-Western France, * including 2 isolates from Northern Italy.