What is seed technology?why is still considered as one of the major subject in agriculture?​

Seed technology involves many aspects key for good agricultural produce such as release and evaluation of superior crop plant varieties, seed production and processing, seed testing and storage, seed certification and its quality control, marketing, distribution and research on such aspects of seed.

Seed technology serves as a basic tool for secured food supply and is an effective carrier of newer technologies. The main mode of securing crop yields are less favourable production regions. Importance of seed technology in the agricultural domain is the supply of quality seeds in a timely manner at a reasonable rate.

thinking it would be physical characteristics