Culture period

Light condition

Cu/Fe condition

Leaf No.

Leaf blade size

Petiole length

Root length

Length (mm)

Width (mm)

(mm)

(mm)

2 wks

SD

+Fe Cu1

7.5 ± 0.6^a

17.6 ± 1.8^a

18.2 ± 1.1^a

13.2 ± 1.6^b

207.2 ± 66.7^c

+Fe Cu2000

7.8 ± 0.5^a

17.3 ± 1.0^a

17.1 ± 1.6^a

13.3 ± 1.5^b

180.9 ± 38.5^c

−Fe Cu2000

7.8 ± 0.5^a

17.2 ± 2.9^a

18.2 ± 2.5^a

16.5 ± 4.1^b

120.4 ± 27.9^b

LD

+Fe Cu1

8.3 ± 0.6^b

21.1 ± 2.9^b

19.0 ± 2.8^ab

15.1 ± 4.7^b

264.4 ± 8.7^d

+Fe Cu2000

8.8 ± 1.0^b

22.2 ± 4.2^b

19.9 ± 2.0^ab

17.7 ± 4.4^bc

195.7 ± 64.4^c

−Fe Cu2000

9.2 ± 0.8^b

24.3 ± 4.1^bc

22.8 ± 3.5^b

22.6 ± 7.8^c

164.0 ± 84.4^c

CL

+Fe Cu2000

7.7 ± 0.6^a

20.5 ± 1.8^b

22.8 ± 0.8^b

12.6 ± 3.8^ab

200.0 ± 40.5^c

−Fe Cu2000

8.3 ± 0.6^b

15.9 ± 2.1^a

15.8 ± 3.0^a

9.7 ± 3.3^a

52.8 ± 18.0^a

4 wks

SD

+Fe Cu1

9.3 ± 0.5^a

22.0 ± 0.3^a

22.3 ± 1.2^b

18.8 ± 2.0^b

209.2 ± 47.4^b

+Fe Cu2000

9.8 ± 0.5^a

21.7 ± 3.1^a

22.4 ± 1.7^b

18.5 ± 4.6^b

204.3 ± 39.3^b

−Fe Cu2000

9.8 ± 0.5^a

24.2 ± 2.3^ab

23.9 ± 2.5^b

21.3 ± 4.0^b

219.2 ± 40.2^b

LD

+Fe Cu1

10.3 ± 1.0^ab

31.9 ± 4.2^c

30.3 ± 3.7^c

27.1 ± 9.6^bc

301.4 ± 48.2^c

+Fe Cu2000

11.5 ± 0.6^b

29.5 ± 6.6^bc

29.9 ± 4.4^c

25.3 ± 5.3^bc

284.3 ± 55.0^c

−Fe Cu2000

12.3 ± 1.0^bc

34.0 ± 5.0^c

31.4 ± 1.4^c

35.4 ± 9.3^c

182.2 ± 63.8^b

CL

+Fe Cu2000

12.0 ± 0.0^bc

35.9 ± 5.3^c

32.3 ± 2.5^c

22.2 ± 5.9^b

208.2 ± 73.8^b

−Fe Cu2000

11.3 ± 0.6^b

21.1 ± 4.9^a

20.6 ± 6.6^ab

14.6 ± 7.4^a

90.3 ± 6.4^a