Table 5. Comparison of sequencing depth in different DNA samples.

Sample	ptDNA/ncDNAa	mtDNA/ncDNAb	Literature cited
Our DNA	1,949	92	This report
Total DNA 1c	117	23	unpublished
Total DNA 2	55	11	[22]
Total DNA 3	134	11	[23]

^aCopy fold of plastid DNA (ptDNA) to nuclear DNA (ncDNA);

^bCopy fold of plastid DNA (ptDNA) to nuclear DNA (ncDNA);

^cTotal DNA of Brassica napus L.