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Fertilization in Cayaponia Bonariensis: The Pollen Tube as a Nourishing Structure of the Embryo, Ultrastructure of the Male Germ Unit and the Vegetative Nucleus as an Active Carrier of Sperms
Fertilization in Cayaponia Bonariensis: The Pollen Tube as a Nourishing Structure of the Embryo, Ultrastructure of the Male Germ Unit and the Vegetative Nucleus as an Active Carrier of Sperms