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Table 2 QTL class mean comparisons for grain yield in kg ha−1 under drought stress (stress) and irrigated control (non-stress) in MRQ74 as the recipient parent in trials conducted during the 2013 and 2014 dry seasons

From: Pyramiding of drought yield QTLs into a high quality Malaysian rice cultivar MRQ74 improves yield under reproductive stage drought

QTL class label QTLs combinations 2013 - medium duration 2013 - long duration 2014 - long duration
   NS RS NS RS NS RS
A qDTY 2.2 + qDTY 3.1 + qDTY 12.1 3272.27 a 951.84 d 4544.57 ac 817.15 cb 5244.69 a 191.04 a
B qDTY 12.1 + qDTY 3.1 3986.11 bc 984.3 d 4825.65 cb 1210.89 d 5790.29 b 369.56 ab
C qDTY 12.1 + qDTY 2.2 4388.46 c 559.49 b 4799.92 cb 1129.34 d 7622.61 c 264.89 ab
D qDTY 2.2 + qDTY 3.1 3926.70 bc 639.04 b 4090.89 a 652.74 b 5550.93 ab 563.68 b
E qDTY 12.1 3980.007 bc 591.76 b 5159.42 c 875.56 c 5809.43 b 493.41 cb
F qDTY 3.1 3690.20 b 829.87 c 4176.96 a 660.57 b 5409.14 a 340.68 ca
G qDTY 2.2 3713.37 ba 718.59 bc 4348.73 ab 1163.43 d 5388.17 ab 960.36 d
MRQ74 NO QTL 4332.34 bca 56.73 a 4034.43 ac 90.41 a 5105.24 ab 115.07 ab
F- value   3.20 10.01 4.82 10.87 17.09 4.42
p-value   0.0002 <0.0001 0.0001 <0.0001 <0.0001 0.0003
  1. Means followed by the same letter are not significantly different