100 Gy ⁶⁰Co -Ray Induced Novel Mutations in Tetraploid Wheat

Table 4

Chromosome pairing at metaphase I in the pollen mother cells of the materials with special traits after radiation treatment.

Species	Individuals	Number of cells observed	Number of chromosomes	Chromosomes pairing
				I	II			III	IV
					Total	Ring	Rod
T. carthlicum (As293)	250-1	60	28		14.00	13.27	0.73
						11–14	0–3
	CK	60	28		14.00	13.55	0.45
						11–14	0–3
T. polonicum (As302)	224-14	60	28		13.99	10.56	3.43
						10–13	1–4
	CK	60	28		14.00	11.08	2.92
						10–13	1–4
T. turgidum (As2255)	253-10	60	28		14.00	13.05	0.95
						10–14	0–4
	CK	60	28		14.00	13.26	0.74
						10–14	0–4
T. dicoccoides (As835)	237-9	60	28	0.44	12.84	11.79	1.05	0.21	0.53
				0–2		9–13	0–3	0-1	0-1
	237-11	60	28	0.39	13.80	12.44	1.36
				0–4		10–14	0–3
	CK	60	28		14.00	13.15	0.85
						11–14	0–3
T. dicoccoides (As838)	239-7	60	28	0.44	13.58	12.26	1.32	0.08
				0–2		10–13	0–4	0-1
	239-8	60	28	1	12.96	12.32	0.64	0.36
				0–4		10–14	0–2	0-1
	CK	60	28		14.00	13.36	0.64
						12–14	0–2
T. polonicum (As304)	230-7	60	28	0.10	13.52	12.11	1.41	0.10	0.18
				0-1		10–14	0–4	0-1	0-1
	CK	60	28		14.00	13.05	0.95
						10–14	0–4