Karyotypic variability in some species of the genus Chondrilla (Asteraceae)

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Table 1.

Ploidy levels in the root apical meristem cells of Chondrilla under different flowering regimes in 2015-2017.

Species name	№ pop.	Year of study	Flowering regime	Analyzed seedlings
				total, units.	of them %
				total, units.	X	2X	3X	4X	5X
C. ambigua	1030	2015	f/f	3	0	100	0	0	0
		2016	f/f	3	0	100	0	0	0
		2017	f/f	36	0	100	0	0	0
	1031	2015	f/f	4	0	100	0	0	0
C. brevirostris	1029	2015	f/f	8	0	0	12.5	87.5	0
		2016	f/f	9	0	0	100	0	0
		2016	d/f	3	0	0	100	0	0
		2017	f/f	47	0	0	100	0	0
	1046	2016	f/f	62	0	0	100	0	0
	1055	2016	f/f	24	0	8.3	87.5	4.2	0
	1055	2017	f/f	19	0	0	100	0	0
	1058	2016	f/f	10	0	0	90.0	10.0	0
	1058	2016	d/f	2	0	0	100	0	0
	1059	2016	f/f	61	1.6	98.4	0	0	0
	1077	2017	f/f	71	0	0	100	0	0
C. canescens	1040	2016	f/f	54	0	9.3	90.7	0	0
	1054	2016	f/f	12	0	0	100	0	0
	1074	2017	f/f	5	0	0	100	0	0
C. juncea	1027	2015	f/f	11	0	0	72.7	27.3	0
		2015	d/f	2	0	0	50.0	50.0	0
		2016	f/f	19	0	0	52.6	47.4	0
C. laticoronata	1056	2016	f/f	39	0	0	100	0	0
	1070	2016	f/f	10	0	0	100	0	0
	1071	2016	f/f	2	0	0	100	0	0
	1071	2017	f/f	35	0	0	94.3	0	5.7
	1076	2017	f/f	53	0	0	100	0	0
C. pauciflora	1078	2017	f/f	19	0	0	100	0	0

Note. x=5. Flowering regime: f/f – free flowering, d/f – dust-free flowering.

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