Question

What is the function of tube nucleus?

Answer 1

Function of tube nucleus:

1. Male gametophyte consists of two haploid nuclei namely: germ nucleus and tube nucleus.
2. The germ nucleus or generative nucleus undergoes fertilization.
3. The tube nucleus is the vegetative nucleus that guides the growth of the pollen tube when it enters the pistil.
4. The main function of a tube nucleus is to control and direct the growth of the pollen tube.