How is emasculation performed?

The techniques of $emasculation$ and $bagging$ are used in which of the following?

In grafting,the part of the stem containing a bud that is joined to a rooted stock is called . . . . . . .

The part which is grafted onto the stalk of another tree is called:

The process of removing stamens from the flower bud during hybridization is called

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.