QTL mapping of root traits in wheat under different phosphorus levels using hydroponic culture

BMC Genomics

Table 4 Joint QTL analysis results for pleiotropic QTL in clusters

Cluster	Trait	P Level	Chromosome	Marker interval	Physical interval^a (Mb)	Pr(>\|t\|)^b	Adjusted R²
C1	SDW	H	3D	AX-110036411-AX-109917936	559.77–566.72	0.02*	0.38
C1	RTN	H
C2	RV	C	4B	AX-109491270-AX-108815849	21.48–21.79	0.05*	0.12
C2	RRS	H
C3	RDW	L	4D	AX-109816583-AX-109478820	16.64–30.66	0.15, 0.18	0.18, 0.12
C3	RRS	C, L
C4	RL	L	6B	AX-94471535-AX-95094583	704.88–711.76	0.7	0.75
C4	RTN	L
C5	RL	H	7A	AX-109955164-AX-109445593	116.62–122.18	0.68, 0.55, 0.71	0.76, 0.90, 0.74
	RTN	H
	ROSA	H
C6	RL	H	7A	AX-109966788-AX-94819074	725.54–134.54	0.037*	0.12
C6	RTN	L
C7	RL	L	7B	AX-109289805-AX-95025477	700.83–705.84	0.8	0.75
C7	RTN	L

* Indicates significance at P < 0.05
^a Physical positions of SNP markers based on wheat genome sequences from the International Wheat Genome Sequencing Consortium (IWGSC, http://www.wheatgenome.org/)
^b Significance of t-values at P < 0.05
Abbreviations: C control, L low P treatment, H high P treatment, RL root length, RV root volume, RD root diameter, RTN root tip number, ROSA root surface area, SDW shoot dry weight, RDW root dry weight, TDW total dry weight, RRS ratio of root to shoot dry weight

ISSN: 1471-2164