In Pinus,the approximate time for fertilizati | vedclass

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(D) In $Pinus$,the pollen grains are released from the male cones and are carried by wind to the female cones (pollination).After pollination,the poll

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About one year

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(D) In $Pinus$,the pollen grains are released from the male cones and are carried by wind to the female cones (pollination).After pollination,the pollen tube grows very slowly through the nucellus to reach the archegonia.This process of pollen tube growth and subsequent fertilization takes approximately $1$ year to complete after the initial pollination event.

In $Pinus$,the approximate time for fertilization after pollination is:

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