Pollen Tube Chemotropism

  • J. P. Mascarenhas


The pollen tube of flowering plants may grow through as much as 50 cm of the stylar tissue, enter the micropyle of an ovule and then discharge from its tip two non-motile sperm cells in the immediate vicinity of an unfertilized egg. This review is concerned with the factors that direct the pollen tube to the egg.


Pollen Tube Growth Zone Pollen Tube Growth Ovary Wall Lily Pollen 


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Copyright information

© Plenum Publishing Company Ltd. 1973

Authors and Affiliations

  • J. P. Mascarenhas
    • 1
  1. 1.Department of Biological SciencesState University of New York at AlbanyAlbanyUSA

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