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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