Question

3. Pollen tube grows downwards into the​

Answer 1

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. ... …and gives rise to a pollen tube, which grows down through the pistil toward one of the ovules in its base.