BMC Plant Biology

Table 3 Mean values of the Chlorophyll a and chlorophyll b content measured in A.pinnata after exposure of various concentrations of CBs

From: Ecotoxicological assessment of cigarette butts on morphology and photosynthetic potential of Azolla pinnata

S.No.	Treatment	Chl a (mg g^-1 FW)	Chl b (mg g^-1 FW)
1.	Control	0.625 ± 0.022^a	0.443 ± 0.026^a
2.	10 CBs	0.557 ± 0.003^a	0.425 ± 0.002^a
3.	20 CBs	0.412 ± 0.018^b	0.339 ± 0.010^ab
4.	30 CBs	0.327±0.041^b	0.311 ± 0.009^bc
5.	40 CBs	0.25±0.038^c	0.205 ± 0.019^c

X ± S for three replicate measurements at a 95% level of confidence. Different letters indicate a significant difference (P ≤ 0.05)

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ISSN: 1471-2229

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