Dissection and fine-mapping of two QTL for grain size linked in a 460-kb region on chromosome 1 of rice

Rice

Table 1 Rice populations and field experiments

Generation	Name	Segregating region		Number of lines^a		Location and
Generation	Name	Marker	Physical position	NIL^ZS97	NIL^MY46	growing season^b
BC₂F_11:12	L1	RM11807 − RM11842	34,722,600–35,694,183	41	37	HZ: May−Sep. 2014
BC₂F_11:12	L2	RM265 − RM11842	35,197,724–35,694,183	21	22	HZ: May−Sep. 2014
BC₂F_13:14	D1	RM265 − Wn35518	35,197,724–35,518,354	25	27	HZ: May−Sep. 2016
	D2	RM265 − Wn35618	35,197,724–35,618,264	28	27	HZ: May−Sep. 2016
	D3	RM265 − RM11842	35,197,724–35,694,183	25	27	HZ: May−Sep. 2016
	D4	RM11828 − RM11842	35,315,714–35,694,183	23	25	HZ: May−Sep. 2016
	D5	Wn35518 − RM11842	35,518,508–35,694,183	25	28	HZ: May−Sep. 2016
BC₂F_14:15	Q1	RM265 − Wn35263	35,197,724–35,263,529	24	26	LS: Dec. 2016 − Apr. 2017
	Q2	RM265 − Wn35393	35,197,724–35,393,538	27	25	LS: Dec. 2016 − Apr. 2017
	Q3	Wn35263 − Wn35518	35,263,716–35,518,354	29	30	LS: Dec. 2016 − Apr. 2017
BC₂F_15:16	B1	RM265 − Wn35263	35,197,724–35,263,529	36	35	HZ: May−Sep. 2017
BC₂F_15:16	B2	RM11824 − Wn35393	35,240,934–35,393,538	32	34	HZ: May−Sep. 2017

^aNIL^ZS97 and NIL^MY46 are near isogenic lines with Zhenshan 97 and Milyang 46 homozygous genotypes in the segregating region, respectively
^bHZ, Hangzhou, Zhejiang Province; LS, Lingshui, Hainan Province