Table 4 Photosynthetic pigments and chlorophyll index (SPAD) in leaves of weeds

1.05 ± 0.07 bc

0.50 ± 0.06 ab

1.55 ± 0.12 bc

12.85 ± 0.11 c

1.42 ± 0.04 a

0.58 ± 0.01 a

2.01 ± 0.0.5 a

15.45 ± 0.3 b

1.17 ± 0.08 b

0.57 ± 0.06 a

1.74 ± 0.09 b

16.37 ± 0.51 b

1.46 ± 0.15 a

0.59 ± 0.01 a

2.05 ± 0.15 a

23.5 ± 0.64 a

0.77 ± 0.006 d

0.35 ± 0.01 def

1.12 ± 0.011 de

3.98 ± 0.3 f

0.87 ± 0.04 cd

0.36 ± 0.01 cdef

1.23 ± 0.06 de

12.27 ± 0.47 c

0.74 ± 0.07 d

0.46 ± 0.016 bc

1.21 ± 0.08 de

5.95 ± 0.45 e

0.93 ± 0.05 cd

0.41 ± 0.01 bcde

1.35 ± 0.05 cd

6.36 ± 0.29 e

0.82 ± 0.03 d

0.39 ± 0.007 cde

1.21 ± 0.03de

7.96 ± 0.26 d

0.87 ± 0.06 cd

0.31 ± 0.02 ef

1.18 ± 0.08 de

12.85 ± 0.87 c

0.84 ± 0.02 cd

0.42 ± 0.05 bcd

1.27 ± 0.07 de

12.25 ± 0.32 c

0.75 ± 0.02 d

0.28 ± 0.004 f

1.03 ± 0.02e

12.75 ± 0.56 c