Culture medium

pH

Germinated

Un-germinated

Inhibited (partial) germination

Tap Water (Control)

   7

95%

3.75 %

1.25 %

Giemsa dye
(10 ppm, untreated)

2

0 %

60 %

40 %

Giemsa dye(10 ppm, photocatalytically treated)

1.9

85 %

15 %

0 %

Giemsa dye(10 ppm, photocatalytically treated)

7

0 %

50 %

50 %

Table 3: Seed germination in Vigna radiata (L.) R. Wilczek after 2 days