Emasculation is not required when flowers are

Given below are the events that are observed in an artificial hybridization programme. Arrange them in the correct sequential order in which they are followed in the hybridisation programme. $(a)$ Re-bagging $(b)$ Selection of parents $(c)$ Bagging $(d)$ Dusting the pollen on stigma $(e)$ Emasculation $(f)$ Collection of pollen from male parent.

The removal of stamens from a flower during hybridization is called ....

What is the purpose of emasculation in plant breeding?

The process of removal of anther from the flower bud before it dehisces is called as

What is emasculation? Why and when is it done?