Science, asked by vlalitha07, 2 months ago

what happens if pollengrains. fall on stigma

Answers

Answered by wildfam

3

Answer:

it stick on the uppermost most portion of stigma and then their is pollen pistel interaction

after then their is fertilization events takes place

hope this helps

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Answered by rifasherin

2

Answer:

When a pollen grain falls on stigma, there occurs chemical communication between pollen grain and pistil, which helps pistil in recognising the right type of pollen. After acceptance, pollen starts germinating and the pollen tube grows towards the ovary carrying male gametes.

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