The Greater Mekong Subregion (GMS) comprises the five mainland Southeast Asian nations of Cambodia, Lao PDR, Myanmar, Thailand and Vietnam, along with the southern Chinese provinces of Yunnan and Guangxi. Home to around 313 million people, rapid development over the last 20 years has made it a new frontier of Asian economic growth. To keep pace with growing populations and dietary changes, food production in the GMS will need to increase by an estimated 25% over the next 15 years. The economies of the region are still essentially agricultural, at least in terms of the workforce employed in the sector. Economic growth in agriculture is important for reducing poverty and fueling expansion of other sectors. Increasing production is required both for food security and to underpin economic development. Food production in the GMS is not only important for national food security but also contributes to international food markets, since both