Similar patterns of rDNA evolution in synthetic and recently formed natural populations of Tragopogon(Asteraceae) allotetraploids

Table 4 Comparison of rDNA ratios in synthetic and natural populations of allotetraploids

Species	Genotype	Gene ratio, Du:Po/Pr	¹ N	% of individuals
Synthetic T. mirus	high Du	> 60%	9	8
	balanced	40-60%	32	29
	high Po	> 60%	69	63
	total		110
Natural T. mirus	high Du	> 60%	0	0
	balanced	40-60%	20	29
	high Po	> 60%	48	71
	total		68
Synthetic T. miscellus	high Du	> 60%	3	4
	balanced	40-60%	3	4
	high Pr	> 60%	65	92
	total		71
Natural T. miscellus	high Du	> 60%	0	0
	balanced	40-60%	0	0
	high Pr	> 60%	31	100
	total		31

¹N - number of individuals. The data were obtained from the S₁ generation of synthetic lines (Table 1); natural populations were analyzed in [45, 60].

ISSN: 2730-7182