Biology, asked by niru5229x, 8 months ago

pollen tube is formed by

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Answered by thorthunderking

Answer:

result of insect pollination is pollen tube competition. When a pollen load of 50–200 pollen grains is deposited on a stigma at one time, each pollen grain grows a pollen tube into the stigmatic tissue. The pollen tubes that grow the fastest reach the ovules first and effect fertilisation

Explanation:

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