Adaptation For Cross Pollination Flashcards
1
Q
Why do we need adaptation for cross pollination
A
They are devices to prevent in breeding depression
2
Q
What are the different adaptation for cross pollination
A
1 - dicliny
2- dichogamy
3- chasmogamy
4- self stability self or intra specific incompatibility
3
Q
What do u mean by dicliny
A
Unisexual plants they have one reproductive organ ( diecy)
Eg date palm and papaya
4
Q
What do you mean by dichogamy
A
Bisexual flowers statement pistol do not mature at the same time
5
Q
What do you mean by chasmogamy
A
Blooming of floral bud ( anthesis )
6
Q
What is self stability or self or intra specific incompatibility
A
Genetic mechanism to prevent self pollination fertilization by inhibiting pollen germination example grapes and Apple
