Table 4.
Means comparison of spraying of times and amounts of nano Tio2on traits of Zea mays
| Carotenoids (mg.g-1.fw) | Total chlorophyll (a + b) (mg.g-1.fw) | Chlorophyll a (mg.g-1.fw) | Amounts of nanoTio2 | Times of spraying |
|---|---|---|---|---|
| 1.56f | 4.70f | 2.61f | (Distilled water) Control | Vegetative stage |
| 1.62e | 4.72ef | 2.63ef | (Bulk) Tio2 | Vegetative stage |
| 1.64ed | 4.83c | 2.69c | (0.01%) Nano Tio2 | Vegetative stage |
| 1.64ed | 4.90b | 2.74b | (0.03%) Nano Tio2 | Vegetative stage |
| 1.63ed | 4.75e | 2.63ef | (Distilled water) Control | Appearance of male flowers |
| 1.65abc | 4.80dc | 2.67cd | (Bulk) Tio2 | Appearance of male flowers |
| 1.65abc | b4.93b | 2.75b | 0.01% Nano Tio2 | Appearance of male flowers |
| 1.63edc | 5.01a | 2.82a | 0.03% Nano Tio2 | Appearance of male flowers |
| 1.63ed | 4.76de | 2.64e | (Distilled water) Control | Appearance of female flowers |
| 1.65abc | 4.79dc | 2.66d | (Bulk) Tio2 | Appearance of female flowers |
| 1.66a | 4.92b | 2.74b | ()0.01% Nano Tio2 | Appearance of female flowers |
| 1.66a | 5.04a | 2.84a | (0.03%) Nano Tio2 | Appearance of female flowers |
Note: Means in the same columns and rows, followed by the same letter are not significantly difference (P < 0.01).