As a pollen tube grows into female oragan, the nucleus that enter synergid first is called the
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The first female gametophytic cell encountered by the pollen tube in the ovule is one of the two synergids, and it is clear that synergids ...
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The nucleus that enter synergid first is called the tube nucleus.
Tube nucleus- the one of two nuclei formed by mitotic division of a microspore during the formation of a pollen grain that is held to control subsequent growth of the pollen tube and thus not divide again .
Tube nucleus is also known as vegetative cell . It has no role in fertilization in plants , it degenerates as soon as the pollen tube starts germinating on stigma .
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