Written and edited by: Anuradha Dhar, Ashwamegh Banerjee and Cynthia Mathys. Photo credits: Ashwamegh Banerjee, Srikanth Kolari, Vinaynath Reddy, Satish Kumar, Suryakanta Khandai and Wasim Iftikar. Copyright © the International Maize and Wheat Improvement Center (CIMMYT), 2015. All rights reserved. Any opinions, boundaries and names stated herein are those of the authors and are not necessarily representative of or endorsed by the International Maize and Wheat Improvement Center (CIMMYT) or its partner organizations. Fair use of this material is encouraged. Proper citation is requested.