Abstract
Among the most refractory remaining physiological problems concerning sexual reproduction is the mechanism of interaction between the male and female gametes during fertilization. In Angiosperms, the double fertilization process is dependant on numerous events beginning with the deposition of the pollen grain on the stigmatic surface and ending with the double gametic fusion within the embryo sac. During the last decade a renewed interest in this subject has been triggered as a result of the discovery, through cytological studies, of cytoplasmic dimorphism of sperm cells (Russell 1983). In Plumbago, Russell (1985) has shown the occurence of a targeted fertilization process: One of the two sperm cells which is plastid-rich preferentially fuses with the egg cell and subsequently forms the embryo, the second (mitochondria rich) associates with the central cell to initiate endosperm formation.
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© 1992 Springer-Verlag Berlin Heidelberg
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Matthys-Rochon, E. (1992). In Vitro Fertilization in Flowering Plants. In: Dattée, Y., Dumas, C., Gallais, A. (eds) Reproductive Biology and Plant Breeding. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76998-6_19
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DOI: https://doi.org/10.1007/978-3-642-76998-6_19
Publisher Name: Springer, Berlin, Heidelberg
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