Sexual Reproduction in Flowering Plants

Pollen-pistil interaction

  1. Only the pollen belonging to same species would germinate while others fail.
  2. Special types of protein determines the compatibility and incompatibility of the pollen-pistil.
  3. The pollens which are compatible absorb water and nutrients from stigma to undergo germination for the production of pollen tube.
  4. 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

Disclaimer: may from time to time provide links to third party Internet sites under their respective fair use policy and it may from time to time provide materials from such third parties on this website. These third party sites and any third party materials are provided for viewers convenience and for non-commercial educational purpose only. Compete does not operate or control in any respect any information, products or services available on these third party sites. makes no representations whatsoever concerning the content of these sites and the fact that has provided a link to such sites is NOT an endorsement, authorization, sponsorship, or affiliation by with respect to such sites, its services, the products displayed, its owners, or its providers.