Sexual Reproduction in Flowering Plants
Pollen-pistil interaction
- Only the pollen belonging to same species would germinate while others fail.
- Special types of protein determines the compatibility and incompatibility of the pollen-pistil.
- The pollens which are compatible absorb water and nutrients from stigma to undergo germination for the production of pollen tube.
- The growth of pollen tube into the style and its path is determined by special chemicals such as Boron – Inositol complex secreted by style.
Watch this video for the topic from 0:13 to 11:38
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