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Table 3 QTLs for root system architecture and root biomass-related traits identified under three P treatments

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

Trait Treatment QTLa Marker interval Physical intervalb (Mb) Genetic positionc (cM) LODd PVE e (%) Add f
RL C QRL.caas-1BL AX-10928674 - AX-94446430 671.33–688.38 2.5 3.13 5.56 −18.89
QRL.caas-7AS.1 AX-110432090 - AX-109345074 20.95–22.87 0.97 3.51 6.38 19.78
QRL.caas-6AL AX-86165298 - AX-109431293 612.11–613.49 1.17 4.53 8.20 23.51
QRL.caas-7AL AX-109966788 - AX-94819074 725.54–734.54 4.84 3.37 6.22 19.54
L QRL.caas-6BL AX-109368729 - AX-95094583 699.99–711.76 4 4.90 8.61 45.43
QRL.caas-7BL AX-95025477 - AX-109289805 700.83–705.84 2.35 3.74 6.57 −38.04
QRL.caas-7AL AX-109966788 - AX-94819074 725.54–734.54 4.84 3.46 5.50 35.19
H QRL.caas-7AS.2 AX-109955164 - AX-109445593 116.62–122.18 1.72 4.72 11.89 30.81
RV C QRV.caas-6DS AX-10934618 - AX-94913665 18.67–25.66 3.45 3.98 8.41 0.01
QRV.caas-4BS AX-108815849 - AX-109491270 21.48–21.79 2.5 4.90 10.32 0.01
H QRV.caas-7AS AX-108763612 - AX-111263013 85.44–85.71 1.95 3.49 8.82 0.01
RTN L QRTN.caas-6BL AX-109368729 - AX-95094583 699.99–711.76 4 4.21 7.08 73.56
QRTN.caas-2BL AX-86176885 - AX-94933613 647.32–647.71 0.35 2.86 4.79 57.39
QRTN.caas-7BL AX-95025477 - AX-109289805 700.83–705.84 2.35 5.52 9.78 −81.68
QRTN.caas-7AL AX-109966788 - AX-94819074 725.54–734.54 4.84 2.77 4.64 56.97
H QRTN.caas-2DL AX-94959623 - AX-94821426 79.54–82.22 1.26 2.74 7.78 45.97
QRTN.caas-7AS AX-109955164 - AX-109445593 116.62–122.18 1.72 3.84 8.17 48.20
QRTN.caas-3DL AX-110036411 - AX-109917936 559.77–566.72 2.79 2.99 6.21 42.26
ROSA H QROSA.caas-7AS AX-109955164 - AX-109445593 116.62–122.18 1.72 4.43 10.80 2.24
SDW H QSDW.caas-6BL AX-109368729 - AX-95094583 699.99–711.76 4 3.44 6.80 0.00
QSDW.caas-6DS AX-109346183 - AX-94913665 18.67–25.66 3.45 2.59 4.95 0.00
QSDW.caas-3AS AX-111507145 - AX-109273188 15.80–16.63 1.62 3.01 5.99 0.00
QSDW.caas-3DL AX-110036411 - AX-109917936 559.77–566.72 2.79 4.17 8.21 0.00
RDW L QRDW.caas-4BS AX-111068079 - AX-111164540 32.42–37.86 0.85 7.70 17.70 0.00
QRDW.caas-4DS AX-109816583 - AX-109478820 16.64–30.66 3.6 3.12 7.14 0.00
H QRDW.caas-3AS AX-111507145 - AX-109273188 15.80–16.63 1.62 3.08 7.06 0.00
QRDW.caas-4BS AX-111068079 - AX-111164540 32.42–37.86 0.85 3.59 8.12 0.00
TDW H QTDW.caas-3AS AX-111507145 - AX-109273188 15.80–16.63 1.62 3.11 7.68 0.00
RRS C QRRS.caas-4BS.1 AX-109494015 - AX-108991675 97.25–103.06 0.48 6.78 13.59 0.01
QRRS.caas-4DS AX-109816583 - AX-109478820 16.64–30.66 3.6 10.43 20.41 −0.01
L QRRS.caas-4BS.1 AX-109494015 - AX-108991675 97.25–103.06 0.48 2.94 6.25 0.01
QRRS.caas-4DS AX-109816583 - AX-109478820 16.64–30.66 3.6 5.55 11.71 −0.01
H QRRS.caas-4BS.2 AX-108815849 - AX-109491270 21.48–21.79 2.5 4.33 9.35 0.01
QRRS.caas-4DS AX-109816583 - AX-109478820 16.64–30.66 3.6 3.85 8.30 −0.01
  1. a Quantitative trait loci
  2. b Physical positions of SNP markers based on wheat genome sequences from the International Wheat Genome Sequencing Consortium (IWGSC, http://www.wheatgenome.org/)
  3. c Genetic position of closest marker to the identified QTL on linkage map
  4. d LOD value of each QTL
  5. e Phenotypic variance explained by QTL
  6. f A positive sign means the increased effect contributed by Zhongmai 895, whereas the negative effect was contributed by Yangmai 16
  7. 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
  8. (Q = QTL) + (caas = Chinese Academy of Agricultural Sciences) + Chromosome = long arm (L) or short arm (S)