Table 2 Impact of different concentrations of 5-aminolevulinic acid on some vegetative growth parameters of two faba bean cultivars

Effect of cultivars

Giza 843

44.83 ± 2.64 a

2.92 ± 0.70 a

96.83 ± 2.61 a

18.23 ± 2.24 a

Nubaria 1

42.41 ± 1.80 a

2.83 ± 0.76 a

82.08 ± 1.84 b

18.31 ± 2.30 a

Effect of 5- aminolevulenic acid

5- aminolevulenic acid (mg/L)

0

36.33 ± 1.41c

2.33 ± 0.45 b

62.33 ± 2.51 d

16.26 ± 0.93 c

1

50.17 ± 1.63 a

3.67 ± 0.45 a

104.0 ± 1.70 a

21.34 ± 0.54 a

3

45.33 ± 0.93 b

3.17 ± 0.21 a

97.83 ± 0.95 b

18.65 ± 0.52 b

6

42.67 ± 1.64 b

2.33 ± 0.49 b

93.67 ± 2.17c

16.72 ± 0.49 c

Effect of interaction between cultivars and 5- aminolevulenic acid

Giza 843

5- aminolevulenic acid (mg/L)

0

38.67 ± 1.15 d

2.330.58 b

62.00 ± 2.65 e

16.53 ± 1.15 dc

1

52.00 ± 2.00 a

3.67 ± 0.58 a

114.7 ± 3.06 a

21.30 ± 0.35 a

3

45.33 ± 1.15 bc

3.33 ± 0.26 a

107.3 ± 2.08 b

18.69 ± 0.69 b

6

43.33 ± 1.53 c

2.33 ± 0.58 b

103.3 ± 1.53 b

16.40 ± 0.46 dc

Nubaria 1

5- aminolevulenic acid (mg/L)

0

34.00 ± 1.73 e

2.33 ± 0.58 b

62.67 ± 3.06 e

16.00 ± 0.46 d

1

48.33 ± 2.08 ab

3.67 ± 0.58 a

93.33 ± 2.08 c

21.56 ± 0.64 a

3

45.33 ± 2.08 bc

3.00 ± 0.58 ab

88.33 ± 1.15 d

18.62 ± 0.23 b

6

42.00 ± 2.00 cd

2.33 ± 0.58 b

84.00 ± 2.65 d

17.04 ± 0.05 c