This is proceeding of the 10th Asian Regional Maize Workshop held in Makassar, Indonesia during 20 - 23 October 2008, and co-organized by International Maize and Wheat Improvement Center CIMMYT), Mexico and The Indonesian Agency for Agricultural Research and Development (IAARD), Indonesia. The theme of the workshop was Maize for Asia: Emerging Trends and Technologies?. The 10th ARMW brought together in Makassar, Indonesia, over 300 maize scientists, researchers and students from public and private sectors, including participants from China, Philippines, Thailand, Cambodia, Myanmar, Bangladesh, Nepal, Bhutan, India, Iran, Indonesia, Vietnam, Laos, Australia, Kenya and Mexico. The workshop had 65 oral and 108 poster presentations, and included invited lectures, research paper presentations, scientific deliberations and discussions on maize in Asia. Papers of the proceeding deals with molecular tools, for maize improvement, genetics and breeding, crop management, biotic and Abiotic stresses affecting maize, technology dissemination and country reports.