Table 1 The result of F values from two-way ANOVA on functional traits of P. australis

Variables factors

Chlorophyll contents

Leaf blade angle

Leaf blade number

Leaf blade length

Internode number

Internode length

Culm density

Culm diameter

Day-length (df = 1)

3.094⁺

4.432*

2.919

17.200***

1.636

6.631*

3.322⁺

0.611

Wind speed (df = 1)

1.487

4.947*

0.572

0.076

4.545⁺

0.384

0.831

0.391

Day-length × wind speed (df = 1)

0.027

0.674

0.007

1.027

0.000

0.129

0.033

0.611

Variable factors

Mean culm height

Maximum culm height

AGDW

BGDW

Rhizome DW

Root DW

TDW

AGDW: BGDW

Day-length (df = 1)

4.529*

5.547*

21.400***

8.600**

15.800**

2.900

19.300***

0.659

Wind speed (df = 1)

2.430

1.803

0.848

0.061

0.200

0.752

0.253

0.791

Day-length × wind speed (df = 1)

0.198

0.528

0.919

1.011

0.714

3.174⁺

0.782

3.302⁺