Comparison Betwixt Self Pollination Together With Cross Pollination

Self pollination in addition to Cross pollination: 

Major differences

Self pollination	Cross pollination
1.        Pollen grains are transferred to stigma of same or genetically like flower.	Pollen grains are transferred to stigma of genetically dissimilar flower
2.        Anthers in addition to stigma mature simultaneously	They mature at dissimilar fourth dimension i.e, protandry in addition to protogyny
3.        It occurs inwards opened upward equally good equally unopen flower	It occurs exclusively inwards opened upward flower
4.        It is real economical for plants	It is non economical equally the constitute has to create large pose out of pollen grains, nectar, smell in addition to colouration
5.        External agencies are non 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 tin eliminate harmful traits
9.        Useful characters are preserved	Not preserved
10.      No adaptability inwards the changing surroundings	It provides adaptability
11.      It cannot innovate novel traits	It tin innovate novel traits
12.      Disease resistance is low	Disease resistance is optimum
13.      There is decrease inwards yield	It increases the yield
14.      It does non help inwards the evolution of novel species	Helps inwards the evolution of novel species