Table 3 Impact of different concentrations of 5-aminolevulinic acid on photosynthetic pigments of two faba bean cultivars

mg/g fresh leaf tissues

Effect of cultivars

Giza 843

1.79 ± 0.38 b

0.58 ± 0.11 b

0.72 ± 0.16 b

3.10 ± 0.64 b

Nubaria 1

1.98 ± 0.36 a

0.69 ± 0.14 a

0.80 ± 0.19 a

3.48 ± 0.69a

Effect of 5- aminolevulenic acid

5- aminolevulenic acid (mg/L)

0

1.42 ± 0.06 c

0.47 ± 0.001b

0.56 ± 0.01 c

2.46 ± 0.25 c

1

2.26 ± 0.37 a

0.77 ± 0.05 a

0.92 ± 0.14 a

3.96 ± 0.62 a

3

2.13 ± 0.05 a

0.72 ± 0.01 a

0.87 ± 0.02 a

3.72 ± 0.28 a

6

1.74 ± 0.05 b

0.56 ± 0.01 ab

0.70 ± 0.02 b

3.01 ± 0.79 b

Effect of interaction between cultivars and 5- aminolevulenic acid

Giza 843

5- aminolevulenic acid (mg/L)

0

1.37 ± 0.08 e

0.44 ± 0.02 b

0.53 ± 0.04 e

2.34 ± 0.14 f

1

2.14 ± 0.64 ab

0.69 ± 0.08 ab

0.85 ± 0.24 abc

3.69 ± 0.97 abc

3

2.00 ± 0.11 abc

0.67 ± 0.01 ab

0.82 ± 0.02 bc

3.50 ± 0.13 bcd

6

1.67 ± 0.09 cde

0.53 ± 0.02 ab

0.67 ± 0.03 de

2.88 ± 0.14 def

Nubaria 1

5- aminolevulenic acid (mg/L)

0

1.48 ± 0.24 de

0.52 ± 0.07ab

0.58 ± 0.09 e

2.58 ± 0.4 ef

1

2.39 ± 0.08 a

0.86 ± 0.60 a

0.97 ± 0.02 a

4.23 ± 0.004 a

3

2.25 ± 0.29 a

0.78 ± 0.01 ab

0.91 ± 0.07 ab

3.95 ± 0.36 ab

6

1.80 ± 0.12 bcd

0.60 ± 0.04 ab

0.73 ± 0.05 cd

3.13 ± 0.22 cde