Anatomy and Morphology of Plants
Explain the difference between self-pollination and cross-pollination
Cleistogamy is leading over anthesis because
Cleistogamous flowers do not open at all. In such flowers, the anthers and stigma lie close to each other. Anthers when dehisce in the flower buds, pollen grains come in contact with the stigma to effect pollination. Thus, cleistogamous flowers are autogamous as there is no chance of cross-polliation. So, no pollination agent is required in these flowers.
Explain the difference between self-pollination and cross-pollination
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
List three strategies that a bisexual chasmogamous flower can evolve to prevent self-pollination (autogamy).
Does self-incompatibility impose any restrictions on autogamy? Give reasons and suggest the method of pollination in such plants.
In which one of the following pollination is autogamous?