Question

In a normal flowers which open and expose the anthers and stigma,complete autogamy is rather rare. What conditions are required in such flowers for autogamy to occur?​

Answer 1

1. Chasmogamous Flower: When a flower exposes its anthers and stigma, the flower is open to pollination from any other flower. This condition is called chasmogamy and such a flower is called chasmogamous flower. Complete autogamy is rare in chasmogamous flower. Perfect synchronization between pollen release and stigma receptivity is required in such flowers to allow self-pollination.

Answer 2

Answer:

1. The stamens and stigma of a bisexual flower shpould mature at around same time

2. Self compatibility for self-pollination.

3. Chasmogamy so that the anther of the same flower remain inside flower and other foriegn anther dont fertilize the flower