What is bagging technique? How is it useful in plant breeding programmes?

Explanation

The process of immediate enclosing a emasculated or artificially pollinated flower in a butter paper or plastic bag is called bagging.
Bagging is useful in plant breeding programme-because (a) it avoids pollination by any unwanted foreign pollen. (b) It is necessary for cross-breeding a technique for crop improvement. (c) commercially and economically superior varieties can be produced. (d) In unisexual flowers, female flowers are bagged before the flowers open.