Difference between Self Pollination and Cross Pollination

S.No. Self Pollination Cross Pollination
1.
When pollen grains from a flower are carried to the stigma of the same flower or on the other flower of the same plant, the phenomenon is called self pollination.

When the pollen grains from a flower are carried to the stigma of the flower on other plant, the phenomenon is called cross pollination.

2.
Flowers exhibiting self pollination, sometimes do not need any pollinating agent.

Flowers exhibiting cross pollination need some pollinating agents.

3.
From the genetical as well as quality point of view Self pollination is less preferable.

From the genetical as well as quality point of view Cross pollination is better and more preferable than self pollination.