Genetic architecture of cyst nematode resistance revealed by genome-wide association study in soybean

BMC Genomics

Table 1 Linkage disequilibrium (LD) decay estimated for different soybean chromosomes

Chromosome No.	Chr. size (Mb)	No. of markers*	LD decay (Kb)	Required marker**
1	55.92	1,426	250	224
2	51.66	2,130	300	172
3	47.78	1,428	150	319
4	49.24	1,677	200	246
5	41.94	1,513	300	140
6	50.72	1,595	175	290
7	44.68	1,801	500	89
8	47.00	2,167	250	188
9	46.84	1,649	250	187
10	50.97	1,846	200	255
11	39.17	1,433	200	196
12	40.11	1,271	250	160
13	44.41	2,240	200	222
14	49.71	1,677	300	166
15	50.94	2,130	400	127
16	37.40	1,496	125	299
17	41.91	1,734	225	186
18	62.31	2,894	500	125
19	50.59	1,855	600	84
20	46.77	1,308	150	312
Total	950.07	35,270	250	3,800

Chr. – Chromosome, LD – Linkage disequilibrium, *– number of markers used in present study, **– Average number of required makers was estimated based on the chromosome size and LD decay at r ² = 0.2

ISSN: 1471-2164