Pseudo-backcrossing design for rapidly pyramiding multiple traits into a preferential rice variety

Rice

Table 2 The percentage of genome composition (average per target locus) of the selected BC ₁ F ₂ lines resulting from backcrossing of four donors: CholSub1, Xa497, RBPiQ, and Bph162 on PinK3

	% genome compositions (average per donor)
	CholSub	Xa497		RBPiQ		qBph162		Ave.	Sum
	*Sub1*	*xa5*	*Xa21*	qBL1	qBL11	*TPS*	qBph3	Ave.	Sum
Target gene/QTL	<0.01	<0.01	<0.01	0.03	0.26	<0.01	0.05	0.09	0.34
Donor segment link	1.81	0.00	3.77	1.59	0.00	0.00	0.00	1.79	7.17
Heterozygous segment link^1/	0.00	0.83	0.13	0.12	0.95	0.00	1.16	0.80	3.19
Donor segment unlink	0.00	0.00	1.03	0.00	0.00	2.60	0.00	0.91	3.63
Heterozygous segment unlink^1/	0.00	0.00	0.52	0.40	1.61	0.00	0.00	0.63	2.53
Sum of donor segments on target carrier chromosome	1.81	0.83	5.45	2.14	2.82	2.6	1.21	4.22	16.86
Donor segments on non-target carrier chromosome (4-5ch)								7.71
^1/Heterozygous segments on non-target carrier chromosome (4-5ch)								1.96
Sum of donor segments on non-target carrier chromosome								13.89
Donor segments on non-carrier chromosome (6 ch)								4.29
^1/Heterozygous segments on non-carrier chromosome								1.78
Sum of donor segments on non-carrier chromosome								6.07
Recurrent background								74.87
%RGC								80.04
%DGC								19.96