Emasculation in angiospermic plant is . . . . . . .

Emasculation is related to

Bud grafting is commonly used in:

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.

Give scientific reasons: Artificial hybridisation is one of the major approaches of crop improvement programme.

In the $bagging$ technique, what is prevented from being contaminated?