TABLE 6

Digenic epistatic QTL affecting hybrid breakdown of GY (in t/ha) and BY (in t/ha) in the Teqing/Lemont recombinant inbred population

EnvironmentTraitChromosomeMarker interval iChromosomeMarker interval jLODaiajaaijR2 (%)
ZAUBY2RZ476b–RG837RG678–G203.09−0.37***7.9
ZAUGY2.58−0.19***8.1
ZAUBY5Y1049–R569a10RG1094f–C163.820.51***13.9
ZAUGY4.370.30***12.9
ZAUBY7RG30–RG2910RG1094f–C163.94−0.39***8.8
ZAUGY4.610.16**−0.24***11.2
ZAUBY9RZ698–G9512RG901–G4023.61−0.53***14.8
ZAUGY4.24−0.33***14.1
ZAUBY1RZ14–C944b4RZ740–G200b2.780.37***7.2
ZAUBY2RZ446b–RZ446a10C16–RG5613.240.37***9.0
ZAUGY2RZ599–RZ476b3RG100–RZ2843.800.19***8.5
ZAUGY6RZ682–C23611L457b–G2132b2.59−0.13*0.31***6.9
CNRRIBY2RG256–RZ26012RZ257–RZ797a2.590.51***6.2
CNRRIGY3.790.32***8.5
CNRRIBY4RZ740–G200b11RZ797b–RG1094d3.030.44***5.2
CNRRIGY3.950.30***7.6
CNRRIBY5gl1–Y104911RZ536a–L457b4.05−0.52***0.65***8.5
CNRRIGY5.20−0.30***0.20**5.2
CNRRIBY7CD0405–CD04979G103a–CD03953.300.47***5.6
CNRRIGY3.520.22***5.6
CNRRIBY3RZ474–C7466C–G200a2.860.47***5.6
CNRRIBY3RZ761–G24912L102–G1468a4.76−0.49***0.36**4.3
CNRRIGY2RG139–C624x3RZ284–RZ403b4.900.29***7.4
CNRRIGY2C624x–G459RZ777–CD0823.73−0.30***8.0
CNRRIGY6RZ667–C235a12RG901a–G4023.47−0.20**0.26***6.8
CNRRIGY11RG16–RZ797b12G1106–RG9013.99−0.17*0.24***6.3
  • ai and aj were the main effects of the loci i and j, arising from the substitution of the Lemont allele by the Teqing allele, and aaij was the epistatic effect between loci i and j, as defined by Mather and Jinks (1982). *, significance levels of P < 0.05. **, significance levels of P < 0.001. ***, significance levels of P < 0.0001.