in Sexual reproduction in flowering plants by

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DIFFERENCE BETWEEN SELF AND CROSS POLLINATION

No.

Self Pollination

Cross Pollination

1.

In self pollination, the pollen grains are transferred from anther to stigma of the same flower or different flower present on the same plant.

In cross pollination, the pollen grains are transferred from anther to stigma of another flower present on a different plant.

2.

In self pollination, only one plant is involved.

In cross pollination, two different plants are involved.

3.

It is a sure method of pollination (pollination rarely fails).

It is not a sure method of pollination (pollination may fail).

4.

External pollinating agents are not required.

External pollinating agents are required.

5.

Pure line progeny can be obtained.

Pure line progeny cannot be obtained.

6.

It does not help in evolution.

It helps in evolution.

7.

Undesirable characters cannot be eliminated.

Undesirable characters can be eliminated.

 

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