Two parent plants are selected of which one parent has the desired characters. On the female plant, emasculation is carried out i.e. stamens are removed to prevent undesirable fertilization. Then pollen of the male plant is collected and artificially brushed on stigma of emasculated flower. The emasculated flower is kept bagged before and after fertilization to prevent any unwanted cross pollination. After pollination, fertilization takes place and seeds of desired variety are produced.
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| VITAMIN | RICH SOURCE | DEFICIENCY DISEASE |
| (i) _________ | Whole grain | Beri-beri |
| Niacin | Milk | (ii) __________ |
| (iii) __________ | (iv) _________ | Scurvy |
| Calciferol | (v) _________ | (vi) __________ |
| (vii) ___________ | Carrot, yellow fruit | (viii) __________ |

