Question

When does pollination occur in Pinus?

Answer 1

Pollination in Pinus:

1. Pollination is the process of transferring pollen grains from the flower's male anther to the female stigma.
2. The cones of the coniferous pines contain male & female gametophytes.
3. Pollination in Pinus takes place by winds.
4. It takes place when two prothallium cells – one tube cell and one generative cell are formed which is a four celled stage.