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Table 6 Epistasis detected for resistance to rice root-knot nematode, M. graminicola in two seasons

From: QTL mapping for resistance to and tolerance for the rice root-knot nematode, Meloidogyne graminicola

QTL_ia

Interval_ib

Position_ic

Range_id

QTL_ja

Interval_ib

Position_jc

Range_jd

AAe

P value

R2 (%)

First season

 qMGR3.1

K_id3014650-id3014942

125

122.2–125.2

qMGR 11.1

id11006765-id11007859

82.6

78.0–85.0

− 1552

0.000000

2.5

 qMGR4.2

RM516-id4002540

15.7

13.8–15.7

qMGR 8.1

Ud8000435-ud8001469

28.1

25.3–35.1

−286

0.000009

3.1

Second season

 qMGR3.1

K_id3014650-id3014942

125

121.2–125.2

qMGR 11.1

id11006765-id11007859

82.6

77.0–86.0

−1552

0.000000

2.1

 qMGR4.2

RM516-id4002540

15.7

13.8–15.7

qMGR 8.1

Ud8000435-ud8001469

28.1

25.3–35.6

−286

0.000002

3.4

  1. R2 is the phenotypic variance explained by the interaction
  2. aQTL_i and QTL_j are the two QTL involved in interaction
  3. bInterval_i and interval_j are the flanking markers of QTL_i and QTL_j respectively
  4. cPosition_i and position_j is the distance between QTL_i/QTL_j and the first marker of the relevant chromosome
  5. dRange_i and range_j is the position support interval of QTL_i and QTL_j respectively
  6. eAA is the estimated additive by additive effect