Table 1 Statistical analysis of phenotypic data from parental and F₁ populations

Relative height growth (RH)

Control

5.54

8.97^a

11.90 ± 4.02

0.34

0.82

Drought

2.83

5.8^a

5.85 ± 2.75

0.47

0.79

Drought index

0.52

0.65

0.51 ± 0.15

0.29

–

Relative diameter growth (RD)

Control

0.19

0.2

0.69 ± 0.22

0.32

0.34

Drought

0.15

0.13

0.32 ± 0.13

0.41

0.23

Drought index

0.75

0.71

0.49 ± 0.14

0.29

–

Leaf senescence number (LS)

Control

3

2

6.48 ± 2.56

0.4

0.72

Drought

9

5^a

12.11 ± 3.59

0.3

0.7

Drought index

3.56

2.39

2.15 ± 0.58

0.27

–

Specific leaf area (SLA)

Control

213.64

145.84^a

245.42 ± 50.65

0.21

0.74

Drought

163.56

117.15

187.33 ± 30.21

0.16

0.71

Drought index

0.76

0.8

0.79 ± 0.11

0.14

–

Leaf relative water content (LRW)

Control

0.95

0.73

0.90 ± 0.03

0.03

0.19

Drought

0.93

0.75

0.74 ± 0.09

0.12

0.16

Drought index

0.77

0.81

0.82 ± 0.09

0.11

–