In grafting,which of the following is formed first at the junction of the stock and scion?

To ensure that only the desired pollens fall on the stigma in artificial hybridization process:
$(a)$ The female flower buds of a plant producing unisexual flowers need not be bagged.
$(b)$ There is no need to emasculate unisexual flowers of the selected female parent.
$(c)$ Emasculated flowers are to be bagged immediately after cross-pollination.
$(d)$ Emasculated flowers are to be bagged after the removal of anthers.
$(e)$ Bisexual flowers showing protogyny are never selected for cross.
Choose the correct answer from the options given below:

How is emasculation performed?

$A$ : Air layering does not produce a composite plant.
$R$ : Stock and scion are fused to form a composite plant during grafting.

When flowers are unisexual,emasculation is done in:

In hybridization techniques,what is the process of removing stamens from a flower called?