In the Indian context the terms lsquo IR8 rsquo lsquo IR36 rsquo lsquo Sonora 64 rsquo and lsquo Ler...........

Explanation:

• In the early 1960s, India imported 18,000 tonnes of the semi-dwarf high yielding (HY) wheat variety, LermaRojo and Sonora 64.
• Developed by Borlaug and his team at the International Maize and Wheat Improvement Center (CIMMYT), Mexico, these wheat varieties proved to be the harbinger of the Green Revolution.
• Indian scientists adapted the imported germplasm to create indigenous varieties: Kalyan developed by D S Athwal and Sona created by M S Swaminathan.