Biology, asked by rajukuumakprasad80, 1 year ago

Explain process of germination of pollen grain on stigma???

Answers

Answered by Sanskriti11111
6
On the stigma, the germination of pollen grains begins by absorption of water and nutrients and the pollen grain produces a tiny pollen tube through the style to the ovary. ... The tube nucleus descends to the tip of the pollen tube. The generative cell also passes into it.

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