Table 2.

Distribution of markers generated by genotyping by sequencing on linkage groups (LGs) of the constructed genetic map (SPD x HS)

LGa	Number of markers	Length (cM)	Average marker distance
1	149	76.2	0.5
2	96	73.5	0.8
3	104	74.7	0.7
4	104	73.8	0.7
5	152	99.3	0.7
6	68	73.4	1.1
7	104	88.3	0.8
8	139	87.4	0.6
9	152	68.8	0.5
10	124	86.6	0.7
11	124	94.6	0.8
12	96	90.0	0.9
13	150	78.8	0.5
14	118	79.0	0.7
15	168	129.4	0.8
16	73	86.9	1.2
17	115	72.4	0.6
Total	2036	1433.1	0.7

^aLinkage groups represent chromosomes of the pear genome