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  • Define pollination explain type of pollination with diagram   

Define pollination and explain type of pollination with diagram. 

 

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Pollination is the transfer of pollen grains from the anther to the stigma of a flower, either of the same flower or of another flower.

Types of Pollination

Pollination is of two main types:

1. Self-pollination

  • Transfer of pollen grains from the anther to the stigma of the same flower or another flower on the same plant.

Types of self-pollination:

  • Autogamy: Pollen is transferred to the stigma of the same flower.

  • Geitonogamy: Pollen is transferred to the stigma of a different flower of the same plant.

Advantages:

  • Maintains purity of the race.

  • Does not require pollinating agents.

2. Cross-pollination

  • Transfer of pollen grains from the anther of one flower to the stigma of a flower on another plant of the same species.

Agents of cross-pollination:

  • Wind

  • Water

  • Insects

  • Birds and animals

Advantages:

  • Produces genetic variation.

  • Results in healthier and better-adapted offspring.

Posted by

Saumya Singh

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