. 2014 Nov 5;9(11):e111861. doi: 10.1371/journal.pone.0111861

Table 5. Cytological comparison of BC₁ to BC₃ plants from an interspecific cross between G. arboreum and G. hirsutum.

Cross congifuration	Plant number	PMC	I’s	II’s	III’s	IV’s	Total
Chromosomal configuarion for BC₁
2(G. arboreum)×G. hirsutum	P2	12	5	20	1	1	52
^//	P3	10	6	21	0	1	52
^//	P4	8	6	21	0	1	52
^//	P9	10	8	20	0	1	52
^//	P11	15	8	22	0	0	52
^//	P13	11	12	20	0	0	52
^//	P4	10	12	18	0	1	52
	Range		5–12	18–22	0–1	0–1
	Average of 76 cells		8.2	20.4	0.2	0.7
G. hirsutum×G. arboreum	P1	5	2	25	0	0	52
^//	P2	12	1	22	1	1	52
^//	P5	8	5	20	1	1	52
^//	P9	10	2	23	0	1	52
^//	P10	6	2	25	0	0	52
^//	P11	12	2	25	0	0	52
	Range		1–5	20–25	0–1	0–1
	Average of 53 cells		2.2	23.2	0.4	0.6
Chromosomal configuarion for BC₂
2(G. arboreum)×G. hirsutum	P3	10	2	25	0	0	52
^//	P4	15	4	24	0	0	52
^//	P7	8	2	25	0	0	52
^//	P10	12	2	23	0	1	52
^//	P11-(1)	15	4	24	0	0	52
	Range		2–4	23–25	0	0–1
	Average of 60 cells		3.0	24.1	0	0.2
(G. hirsutum×G. arboreum)	P1(16)	15	1	24	1	0	52
	P2	10	3	23	1	0	52
		12	2	25	0	0	52
	P4 (1)	10	2	23	0	1	52
^//	P5(3)	10	2	25	0	0	52
^//		8	4	22	0	1	52
^//	P5(14)	5	3	21	1	1	52
^//	P7(15)	5	3	23	1	0	52
		10	2	23	0	1	52
^//		10	2	23	0	1	52
	P9(16)	8	4	22	0	1	52
^//	P13(17)	7	3	21	1	1	52
	Range		1–4	21–25	0–1	0–1
	Average of 110 cells		2.4	23.2	0.4	0.5
Chromosomal configuarion for BC₃
2(G. arboreum)×G. hirsutum	P1	15	2	25	0	0	52
	P2	20	2	25	0	0	52
	Range		2	25	0	0
	Average of 35 cells		2	25	0	0
G. hirsutum×G. arboreum	P1	20	0	26	0	0	52
^//	P14	20	0	26	0	0	52
	Range		0	26	0	0
	Average of 40 cells		0	26	0	0

Table 5. Cytological comparison of BC1 to BC3 plants from an interspecific cross between G. arboreum and G. hirsutum.