Table 2.

Characteristics of rDNA loci in populations of parental diploid species used for construction of synthetic lines

Species	1Collection no.	Location	2rDNA copies	rDNA genotype	No. of 35S rDNA sites	No. of 5S rDNA sites
T. porrifolius	2607	Troy, ID	1.5 ± 0.3	High-copy	4	4
	2611	Pullman, WA	1.0 ± 0.2	Low-copy	4	4
T. pratensis	2608	Moscow, ID	1.2 ± 0.1	Medium-copy	2	2
	2609	Spangle, WA	1.5 ± 0.2	High-copy	2	2
T. dubius	2613	Pullman, WA	1.7 ± 0.4	High-copy	2	2
	2615	Spokane, WA	0.9 ± 0.1	Low-copy	2	2
	2616	Spangle, WA	1.0 ± 0.2	Low-copy	2	2

¹Soltis & Soltis collection numbers; vouchers deposited at FLAS.

²DNA copies per haploid set in thousands.