In Pinus,the third tier of embryonal cells fr | vedclass

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(A) In $Pinus$,the proembryo consists of four tiers of cells. $1$. The lowermost tier (farthest from the micropylar end) is the embryonal tier,which d

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rosette tier

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(A) In $Pinus$,the proembryo consists of four tiers of cells. $1$. The lowermost tier (farthest from the micropylar end) is the embryonal tier,which develops into the embryo. $2$. The second tier from below is the suspensor tier,which elongates to push the embryo into the endosperm. $3$. The third tier from below is known as the rosette tier. $4$. The uppermost tier is the free-nuclear tier,consisting of $4$ nuclei.

In $Pinus$,the third tier of embryonal cells from below is known as:

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