Impact of Water Quality on the Anatomical and Histochemical …
9
Table 3
Size of different types of cells in the root of water hyacinth
Location
Diameter in
µm *
Epidermis
Hypodermis Outer cortex Middle cortex Inner cortex Vascular
bundle
Endodermis Air cavity Cortical space Pericycle
Singanallur
3.47
3.02
16.78
102.82
7.10
105.32
5.68
21.98
23.68
5.42
Sulur
10.61
9.19
68.91
65.75
6.16
80.04
4.39
15.60
9.30
2.10
Ukkadam
4.80
3.98
14.37
118.55
7.41
104.05
3.93
15.82
27.17
2.69
Yakra
2.13
8.36
16.90
51.69
6.49
60.97
4.00
16.92
15.09
2.62
*
Mean of six replicates
9
Table 3
Size of different types of cells in the root of water hyacinth
Location
Diameter in
µm *
Epidermis
Hypodermis Outer cortex Middle cortex Inner cortex Vascular
bundle
Endodermis Air cavity Cortical space Pericycle
Singanallur
3.47
3.02
16.78
102.82
7.10
105.32
5.68
21.98
23.68
5.42
Sulur
10.61
9.19
68.91
65.75
6.16
80.04
4.39
15.60
9.30
2.10
Ukkadam
4.80
3.98
14.37
118.55
7.41
104.05
3.93
15.82
27.17
2.69
Yakra
2.13
8.36
16.90
51.69
6.49
60.97
4.00
16.92
15.09
2.62
*
Mean of six replicates
