Table 4 Phenotypic correlation coefficients between traits related to flag leaf morphology of main shoots and agronomic traits in the RIL population grown under two water regimes in different environments

E1

FLL

0.34**/0.39**

–0.06/–0.14

0.18/0.19

0.27^*/0.38**

0.22^*/0.29**

FLW

0.13/0.17

0.04/0. 08

0.08/0.10

0.06/0.08

0.09/0.10

FLWR

0.30**/0.35**

–0.07/–0.11

0.15/0.17

0.24^*/0.31**

0.12/0.14

FLA

0.36**/0.41**

–0.08/–0.15

0.16/0.20^*

0.26^*/0.34**

0.21^*/0.26^*

BAFL

0.16/0.20^*

–0.05/–0.12

0.12/0.18

0.12/0.17

0.05/0.12

E2

FLL

0.35**/0.42**

–0.09/–0.17

0.16/0.22^*

0.29^*/0.33**

0.18/0.23^*

FLW

0.11/0.15

0.06/0.09

0.05/0.15

0.07/0.14

0.07/0.10

FLWR

0.31**/0.36**

–0.08/–0.15

0.14/0.17

0.21^*/0.29^*

0.12/0.19

FLA

0.37**/0.45**

–0.10/–0.18

0.12/0.19

0.28^*/0.32^*

0.23^*/0.35**

BAFL

0.15/0.22^*

–0.07/–0.14

0.15/0.21^*

0.13/0.21^*

0.05/0.08

E3

FLL

0.39**/0.46**

–0.17/–0.20^*

0.21^*/0.30**

0.31**/0.39**

0.24^*/0.32**

FLW

0.16/0.20^*

0.07/0.13

0.11/0.17

0.10/0.13

0.08/0.11

FLWR

0.36**/0.41**

–0.11/–0.19

0.22^*/0.25^*

0.19/0.24^*

0.15/0.22^*

FLA

0.38**/0.45**

–0.12/–0.14

0.19/0.28^*

0.33**/0.40**

0.28^*/0.38**

BAFL

0.18/0.24^*

–0.10/–0.16

0.17/0.22^*

0.14/0.21^*

0.10/0.23^*

E4

FLL

0.30**/0.41**

–0.10/–0.17

0.14/0.21^*

0.26^*/0.35**

0.20^*/0.24^*

FLW

0.12/0.16

0.05/0.09

0.09/0.14

0.08/0.10

0.08/0.12

FLWR

0.32**/0.38**

–0.12/–0.13

0.12/0.23^*

0.25^*/0.33**

0.09/0.17

FLA

0.34**/0.44**

–0.09/–0.16

0.15/0.24^*

0.28^*/0.35**

0.26*/0.27*

BAFL

0.20*/0.25*

–0.07/–0.13

0.10/0.18

0.08/0.14

0.11/0.15