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Table 1 Heterogeneity statistics for the 16 summary effect sizes under non-stressed condition after data conversed

From: Meta-analysis of the effects of overexpression of WRKY transcription factors on plant responses to drought stress

Trait

Qt

P

I2 (%)

Survival rate

0.00

1.00

0.0

Stomatal aperture

0.01

1.00

0.0

Germination

0.03

0.98

0.0

Root length

7.12

0.93

0.0

Shoot fresh weight

0.11

1.00

0.0

Relative water content

0.01

1.00

0.0

Electrolyte leakage

7.37

0.29

18.6

Proline content

1.10

1.00

0.0

Malondialdehyde content

21.91

0.03

49.8

Chlorophyll content

13.31

0.15

32.4

Soluble sugar content

28.51

0.00

82.5

Plant height

0.00

0.95

0.0

H2O2 content

2.24

0.33

10.8

CAT activity

0.44

0.99

0.0

POD activity

0.06

1.00

0.0

SOD activity

0.02

1.00

0.0

  1. Qt total heterogeneity, P probability that Qt was due entirely to sampling error and not to variation among true effects, I2 percentage of heterogeneity due to variation among true effects; Summary effect sizes showing significant heterogeneity among true effects (p ≤ 0.1) were shown in bold (Same for Table 2)