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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

From: Genetic dissection of flag leaf morphology in wheat (Triticum aestivum L.) under diverse water regimes

Environment Trait PH SN KN KW YP
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
  1. FLL flag leaf length, FLW flag leaf width, FLWR flag leaf length to width ratio, FLA flag leaf area, BAFL basal angle of flag leaf, PH plant height, SN spikelet number, KN kernel number, KW kernel weight per spike, YP yield per plant. E1 to E4 represent the location at Yongdeng (103°18’ E, 36°42’ N), Gansu, China, in 2011and 2012, at Anning (103°51’ E, 36°04’ N), Gansu, China, in 2012, and at Yuzhong (104°07’ E, 35°51’ N), Gansu, China, in 2013, respectively. Numbers at the left of the slash (“/”) are the correlation coefficients in DS and the numbers at the right refer to WW conditions; * and ** significant at 0.05 and 0.01 level, respectively