Table 3.

Average proportion of alleles shared identical by state (IBS) as an estimate of genetic similarity

a)		Improved	Wild
	Improved	0.709
	Wild	0.573	0.652
b)		US	Other countries
	US	0.683
	Other countries	0.671	0.671
c)		Eastern	Mid-south	Plains	Western	N/A
	Eastern	0.694
	Mid-south	0.680	0.739
	Plains	0.659	0.665	0.682
	Western	0.666	0.657	0.661	0.711
	N/A	0.666	0.689	0.660	0.666	0.673

IBS values are calculated for groups based on a) 363 G. hirsutum samples, b) 292 improved G. hirsutum samples with global distribution, and c) 185 improved G. hirsutum samples from breeding regions within the United States