Table 4. Estimates of nucleotide diversity of A vs At and D vs Dt for eight COL genes in cotton according to their genomic sequences.

Gene	A1-At	D5-Dt
combined sequence	0.00586	0.01051**
COL1	0.00605	0.00532
COL2	0.00624	0.00848**
COL3	0.0039	0.00827**
COL4	0.00678	0.01201**
COL5	0.00161	0.00584**
COL6	0.01124**	0.00536
COL7	0.0048	0.00575**
COL8	0.00631	0.02956**
average	0.00587	0.01007

Taxa include 23 allotetraploids accessions and the two genome donors to the allotetraploid accessions. At = A genome from the allotetraploid cotton species; Dt = D genome from the allotetraploid cotton species; D₅ = G. raimondii; A₁ = G. herbaceum.

** P<0.01