Double fertilization | definition of double fertilization by Medical dictionary
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double fertilization the situation in flowering plants where a male nucleus combines with the egg nucleus and another male nucleus combines with the primary endosperm to form an endosperm nucleus. See EMBRYO SAC.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive
In the July 6 samples after double fertilization
the zygote remained undivided which was located at the micropylar pole (Table 1).
On its way, the pollen tube penetrates the stigmatic surface, is then guided through the stigma and style and placenta, grows onto the funiculus, and finally enters the micropyle of the ovule for double fertilization
(Figures 1 and 3A).
One such event is double fertilization
. The plants' sperm cells each have two nuclei containing genetic material.