how much time does it take for the pollen tube to grow once a pollen grain has landed on the stigma?

Open in App

Solution

Time taken by pollen tube to grow once a pollen grain has landed on the stigma depend on the available conditions that promote pollen germination as well as pollen tube growth. Pollen tubes grow at different rates. It also depend on the plant species.
It may take from 1 to 5 hours to germinate the pollen and grow the pollen tube, depending upon the temperature, maturity of the pollen, and other unknown factors and conditions.

Suggest Corrections

Similar questions

Q. After the pollen lands on the stigma, it initiates the growth of the pollen tube.

Q. Self-incompatibility prevents pollen tube formation by pollen grains on the stigma of the__________.

Question 15
Length of pollen tube depends on the distance between

(a) pollen grain and upper surface of stigma
(b) pollen grain on upper surface of stigma and ovule
(c) pollen grain in anther and upper surface of stigma
(d) upper surface of stigma and lower part of style

The pollen grain fallen on stigma starts germinating pollen tube to rich ovules. what is it called?

pollination or somthing else?

Q. If the pollen grains land on the stigma of the same flower, it is called .

Join BYJU'S Learning Program