Temperature (˚C)

Root length (cm)

Light

White

Darkness

Red

Far red

20

2.55 ± 0.27 bA

1.61 ± 0.34 aAB

2.00 ± 0.38 abAB

1.69 ± 0.19 aAB

25

2.21 ± 0.33 bA

1.58 ± 0.16 aAB

1.91 ± 0.11 abAB

2.26 ± 0.30 bB

30

2.10 ± 0.53 bA

1.61 ± 0.33 aA

1.46 ± 0.35 aA

1.64 ± 0.21 abA

20/30

2.27 ± 0.29 bA

2.08 ± 0.14 abB

2.27± 0.24 bB

1.53 ± 0.35 aA