Semi Dwarfs are the HYV of wheat used in India.
dwarf wheat area in India, Pakistan, Mexico, Turkey, Afghanistan, Tunisia,
Iran and Morocco, expanded rapidly from 0.6 million hectares in 1966 to
10.6 million hectares in 1970. Production during the same period increased
from 1.6 million tons to 22.7 million tons. In 1970, semi dwarf wheat in
these countries accounted for 25 percent of the total wheat area.