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Table 4 QTLs detected for resistance to root rot in the Jizishu 1 × Longshu 9 mapping population

From: Identification of QTL for resistance to root rot in sweetpotato (Ipomoea batatas (L.) Lam) with SSR linkage maps

QTL

Linkage group

Marker

Marker position (cM)a

QTL position (cM)b

Environment

LODc

R2(%)d

qRRM_1p

JZ1(02.09)

IES9-8mt*

66.331

67.331

Y2016

5.04

65.0

66.045

Y2017

10.15

67.1

66.045

AVERAGE

3.83

55.9

qRRM_2p

JZ1(04.19)

IES356-2md

60.406

63.406

Y2016

3.59

60.7

63.406

Y2017

8.22

63.0

63.406

AVERAGE

5.55

53.4

qRRM_3p

JZ1(05.25)

IES43-5mt

84.907

84.907

Y2016

3.48

65.2

84.907

Y2017

8.95

65.5

84.907

AVERAGE

3.31

56.5

qRRM_4n

JZ1(06.33)

IES351-4md

1.844

4.844

Y2016

4.51

63.2

2.844

Y2017

6.29

65.0

2.844

AVERAGE

3.48

57.0

qRRM_5p

JZ1(00.72)

IES68-11ds**

34.102

31.000

Y2016

9.58

62.7

34.102

Y2017

4.12

58.9

34.102

AVERAGE

3.85

52.6

qRRF_1p

L9(00.64)

IES68-6 fs**

62.342

62.342

Y2016

5.04

65.0

62.342

Y2017

7.00

65.9

62.342

AVERAGE

3.00

57.6

qRRF_2n

L9(00.74)

IES108-1 fs

0.000

0.000

Y2016

5.78

65.5

0.000

Y2017

6.95

63.9

0.000

AVERAGE

3.77

53.6

  1. athe closely linked or co-localized markers position
  2. bLOD peak position
  3. cthe estimated LOD score at the QTL peak
  4. dproportion of phenotypic variation explained by the QTL
  5. pQTL with a positive effect on resistance to root rot
  6. nQTL with a negative effect on resistance to root rot
  7. *the distorted markers indicate significant differences at the 0.05 level
  8. **the distorted markers indicate significant differences at the 0.01 level