Where was $IR-8$ developed?

Discuss the importance of testing of new plant varieties in a geographically vast country like India.

Why is hybridization with wild species considered beneficial in plant breeding?

Potato varieties produced for crops are

Semi-dwarf wheat was developed at

The steps of a plant breeding program are given below. Arrange them in the correct sequence.
$(a)$ Cross-hybridization among the selected parents
$(b)$ Testing,release,and commercialization of new cultivars
$(c)$ Collection of variability
$(d)$ Selection and testing of superior recombinants
$(e)$ Evaluation and selection of parents