Table 2.
QTLs for spike traits detected in four environments of the 10-A × BE89 mapping population
Trait Name | QTL | Environment | Interval | LOD | PVE (%) | Add | Dom | Distance (cM) |
---|---|---|---|---|---|---|---|---|
SL | QSl.sicau-4A | E1 | 977534_37-3020781_18 | 18.6 | 36.6 | 1.6 | 0.4 | 0.54 |
E2 | 4.8 | 11.5 | 1.1 | 1.2 | ||||
QSl.sicau-7B.1 | E3 | 2329983_25-1136658_10 | 10.7 | 8.8 | −0.7 | -0.1 | 0.72 | |
QSl.sicau-7B.2 | E3 | 4260822_10-4909531_26 | 17.7 | 15.9 | 1 | 0.1 | 1 | |
TSS | QTss.sicau-4A.1 | E2 | 977534_37-3020781_18 | 26.2 | 37.8 | 2.3 | 1.4 | 0.54 |
QTss.sicau-4A.2 | E1 | 3028945_17-1072050_42 | 24.6 | 30.1 | 2.5 | 0.3 | 0.86 | |
E4 | 19.6 | 30.2 | 2.1 | 0.7 | ||||
QTss.sicau-4A.3 | E3 | 1261191_36-4993624_22 | 5.4 | 13.8 | 1.2 | 0.5 | 0.78 | |
QTss.sicau-6A | E1 | 2252585_8-1007034_24 | 12.8 | 13.3 | −1.7 | 0.2 | 2.06 | |
QTss.sicau-7A | E2 | 1231136_19-1008272_10 | 7 | 8.2 | 1.1 | 0.1 | 5.06 | |
KNS | QKns.sicau-2D | E3 | 989323_53-1069928_18 | 4.7 | 9.1 | 4.1 | −0.8 | 13.6 |
QKns.sicau-4A | E1 | 977534_37-3020781_18 | 12.6 | 28.2 | 7.9 | 2.5 | 0.54 | |
E2 | 14.5 | 32.2 | 7.1 | 6.3 | ||||
E4 | 6.6 | 14.6 | 5.5 | 2.9 | ||||
TKW | QTkw.sicau-4A | E2 | 3028945_17-1072050_42 | 7.2 | 18.1 | 4.6 | 2.7 | 0.86 |
Abbreviations: SL spike length; TSS total spikelet per spike; KNS kernel number per spike; TKW thousand-kernel weight; LOD logarithm of odds; PVE phenotypic variation estimated from marker regression against the phenotype; Add additive effect; Dom dominant effect; cM centimorgan; E1 Wenjiang where F2 population were planted in 2016; E2 Wenjiang where F2:3 lines were planted in 2017; E3 Chongzhou where F2:3 lines were planted in 2017; E4 Ya’an where F2:3 lines were planted in 2017