Table 2. Changes in the content of pigments of I. hawkerii leaves.



CPPU
μM

TDZ
μM

Chlorophyll a [mg g-1 (fw)]

Chlorophyll b
[mg g-1 (fw)]

Carotenoids
[mg g-1 (fw)]

 

Total pigments
[mg g-1 (fw)]

 

Chlorophyll content
(Chl a + Chl b)

Chlorophylls
ratio
(Chl a/Chl b)

Carotenoid and chlorophyll ratio

Control plants

0.76 ± 0.01cd*

0.32 ± 0.01cd

0.15 ± 0.03d

1.23 ± 0.05cd

1.08 ± 0.02cd

2.34ab

0.14abc

0.01

-

0.70 ± 0.04c

0.29 ± 0.03c

0.14 ± 0.01cd

1.13 ± 0.08c

0.99 ± 0.07c

2.53ab

0.15bc

0.1

-

0.78 ± 0.01cd

0.35 ± 0.03cd

0.13 ± 0.01cd

1.26 ± 0.03cd

1.13 ± 0.04d

2.30ab

0.12a

1.0

-

0.60 ± 0.03b

0.19 ± 0.01b

0.13 ±  0.01cd

0.92 ± 0.05b

0.79 ± 0.05c

3.15c

0.17c

-

0.01

0.76 ± 0.02cd

0.32 ± 0.02cd

0.14 ± 0.01cd

1.22 ± 0.03cd

1.08 ± 0.04cd

2.38ab

0.13ab

-

0.1

0.80 ± 0.04cd

0.37 ± 0.02d

0.14 ± 0.02cd

1.31 ± 0.07d

1.17 ± 0.06d

2.18a

0.12ab

-

1.0

0.56 ± 0.04b

0.19 ± 0.02b

0.12 ±  0.01b

0.87 ± 0.06b

0.75 ± 0.06b

2.99c

0.16c

Seedling

0.18 ± 0.01a

0.06 ± 0.00a

0.06 ± 0.01a

0.30 ± 0.01a

0.24 ± 0.01a

2.94bc

0.25d

Infected plants

0.14 ± 0.01a

0.03 ± 0.01a

0.05 ± 0.01a

0.22 ± 0.01a

0.17 ± 0.02a

5.61d

0.26d

*Data present mean value ± standard error. The numbers with the same letters are not significant at the level of 1 % LSD test).


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