Self pollination and Cross pollination:
Major differences
![](https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcRJNmphSN2x0M8CGraWO-UQO0_G0HR6QVPgC_3W04yUvyPriO2elA)
![](data:image/jpeg;base64,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)
Self pollination
|
Cross pollination
|
1.
Pollen grains are
transferred to stigma of same or genetically similar flower.
|
Pollen grains are transferred to stigma of genetically
different flower
|
2.
Anthers and stigma
mature simultaneously
|
They mature at different time i.e, protandry and
protogyny
|
3.
It occurs in open as
well as closed flower
|
It occurs only in open flower
|
4.
It is very
economical for plants
|
It is not economical as the plant has to produce large
number of pollen grains, nectar, scent and colouration
|
5.
External agencies
are not required
|
It depends on external agencies
|
6.
Young ones are
homozygous
|
Young ones are heterozygous
|
7.
It produces pure
lines because of the non-occurrence of genetic recombination
|
It produces variations due to genetic recombination
|
8.
It cannot eliminate
harmful traits
|
It can eliminate harmful traits
|
9.
Useful characters
are preserved
|
Not preserved
|
10.
No adaptability in
the changing environment
|
It provides adaptability
|
11.
It cannot introduce
new traits
|
It can introduce new traits
|
12.
Disease resistance is
low
|
Disease resistance is optimum
|
13.
There is decrease in
yield
|
It increases the yield
|
14.
It does not help in the
development of new species
|
Helps in the development of new species
|