Advantages of cross pollination:
Progeny shows enhanced vigor.
Offsprings are more viable and resistant.
There is a possibility to get new desirable characters.
Yield of crop can be maintained.
It helps in evolution.Undesirable characters of the plant can be eliminated.
- See more at: http://www.biology.lifeeasy.org/2946/advantages-of-cross-pollination#sthash.pcGQWvWi.dpuf