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The transfer of pollen grains from the anthers to the stigma of the same or another flower is called Pollination, which allows the meeting between the male sex cell and the female sex cell. Pollination agents are responsible for transporting pollen grains from the stamens of a flower to the stigma of the same flower, or from one flower to another. Without these, the pollen grains would have difficulty reaching their destination and reproduction might not occur. Insects, wind, some mammals and birds, water and man are examples of pollination agents. Pollination can be direct (by self-pollination) or indirect (by crossing with another flower of the same plant or with flowers of different plants of the same species). Direct pollination (Pollen from a flower lands directly on the stigma of that same flower) and Indirect pollination/9 Pollen from a flower lands on the stigma of another flower on the same plant or on a different plant).
