Table 6 Transient waterlogging effect on soybean yield under different climatic regimes.

From: Root growth, yield and stress tolerance of soybean to transient waterlogging under different climatic regimes

Treatments

Seed yield (g pl–1)

Number of pods pl–1

Number of seeds pod–1

100 seed weight

Days to harvest

Summer

Rainy

Summer

Rainy

Summer

Rainy

Summer

Rainy

Summer

Rainy

Seasons/climate (C)

 Summer (CS)

4.2 a

23.7 a

1.6a

10.67 a

105.01b

 Rainy (CR)

2.7 b

25.2 b

1.7a

7.80 b

115.76a

 S.Em. ± 

0.029

0.198

NS

0.303

0.68

Stages of waterlogging (S)

  

 S15

5.1a

3.8b

32.2a

37.7a

1.8a

1.8a

8.8c

6.3c

108ab

128a

 S30

3.6c

1.6c

21.4b

14.3b

1.6b

1.7b

10.1b

7.6b

111a

128a

 S45

3.8b

0.9d

19.9c

11.5c

1.5c

1.5c

11.8a

7.8b

107b

103b

 S60

4.4b

4.4a

21.5b

37.3a

1.5c

1.6d

11.9a

9.4a

94c

104b

 S.Em. ± 

0.06

0.05

0.35

0.43

0.02

0.02

0.2

0.2

1.5

1.3

Durations of waterlogging (D)

 D2

5.0a

3.5a

29.2a

31.5a

1.7a

1.8a

10.7b

7.8b

109a

113c

 D4

4.6b

2.9b

25.4b

26.1b

1.8a

1.7b

9.9c

7.0c

107ab

113c

 D6

4.1c

2.5c

23.5c

24.6c

1.7a

1.7ab

10.3bc

7.4bc

105ab

115bc

 D8

3.9d

2.4c

21.6d

22.9d

1.6b

1.6c

10.8b

7.9b

103b

118a

 D10

3.5e

2.1d

19.0e

21.0e

1.4c

1.4d

11.6a

8.8a

102b

120a

 S.Em. ± 

0.07

0.06

0.39

0.49

0.03

0.03

0.2

0.2

1.7

1.4

Interactions (S × D)

 S15D2

5.9b

4.3cd

35.5b

41.5bc

1.7b–d

2.0a

9.5g–i

7.0f.–h

103d–f

124c

 S15D4

5.2c

3.9ef

33.6b

38.5d

1.8ab

2.0a

8.5j

6.0i

106b–f

123c

 S15D6

4.9cd

3.7fg

30.5c

38.0de

2.0b–d

1.9ab

8.3j

5.8i

107b−f

124c

 S15D8

4.8cd

3.6gh

31.3c

35.0fg

1.8bc

1.9b–d

8.6ij

6.1hi

109b–e

131bc

 S15D10

4.6de

3.3h

29.8c

35.7ef

1.7c–e

1.4h

9.2h–j

6.7g–i

114a–c

140a

 S30D2

4.1fg

2.9i

27.3d

23.8h

1.8bc

2.0ab

10.3e–g

7.8d–f

120a

123c

 S30D4

4.0f.–h

1.6j

22.0e–g

13.2j

1.8b–d

1.6e–g

8.3j

5.8i

112a–d

124c

 S30D6

3.5i–k

1.3j–l

22.8ef

12.7j

1.6ef

1.5g

9.6gh

7.1fg

111a–d

128c

 S30D8

3.4j–l

1.1k–m

20.5gh

12.2j−l

1.7b–d

1.6fg

10.0f.–h

7.5e–g

109b–e

130bc

 S30D10

3.1l

1.1l

14.3j

9.7kl

1.3gh

1.9a–c

12.3ab

9.8a

104c–f

136ab

 S45D2

4.3ef

1.4jk

24.7e

16.5i

1.5fg

1.7e–g

11.7b–d

7.7e–g

115ab

104d

 S45D4

4.1fg

1.4j–l

22.7e–g

13.5j

1.7c–e

1.6g

10.8a–c

6.8g–i

111a–d

103d

 S45D6

3.8g–j

0.7m

20.0h

12.3jk

1.7b–d

1.7d–f

11.1c–e

7.1fg

111a–d

104d

 S45D8

3.6h–k

0.6m

17.7i

9.3l

1.4f.–h

1.3h

12.4ab

8.4c–e

100e–g

104d

 S45D10

3.0l

0.6m

14.5j

6.0m

1.4f.–h

1.1i

13.0a

9.0a–c

99fg

101d

 S60D2

5.6b

5.3b

29.2cd

44.3b

1.7b–d

1.6e–g

11.3c–e

8.8b–d

97fg

102d

 S60D4

4.9cd

4.6c

23.2ef

39.2cd

1.8b–d

1.6fg

12.1a–c

9.6ab

98fg

102d

 S60D6

4.3ef

4.3cd

20.5gh

35.5ef

1.6de

1.8c–e

12.1a–c

9.6ab

92g

104d

 S60D8

3.8g–i

4.1de

17.0i

35.0fg

1.3h

1.7d–f

12.1a–c

9.6ab

92g

107d

 S60D10

3.2kl

3.6fg

17.5i

32.5g

1.3h

1.3h

12.1a–c

9.6ab

92g

103d

 Control

6.7a

6.6a

41.3a

51.3a

1.8ab

2.0a

10.3e–g

8.9b–d

95g

102d

 S.Em. ± 

0.14

0.11

0.8

1.0

0.05

0.05

0.4

0.4

3.3

2.9

  1. *S15: 15 DAE; Days after emergence, S30: 30 DAE, S45: 45 DAE, S60: 60 DAE, D2: 2 DWL; Days of waterlogging, D4: 4 DWL, D6: 6 DWL, D8: 8 DWL, D10: 10 DWL. Means followed by the same letter (s) within the column are not significant (p < 0.05).