Vertical linkages occur among innovation platforms organized at different levels: community, district and national. Horizontal linkages occur among platforms situated at the same level (e.g. in multiple districts) to strengthen their bargaining position or for learning. This brief discusses ways to facilitate learning and problem solving across innovation platforms at different levels (vertical linkages) and between initiatives located at the same level (horizontal linkages). It is available in Chinese, English, Hindi, Thai and Vietnamese.
Transgenic maize was approved in Brazil in 2008/2009. In 2012, it occupied 73% of the country maize growing area. This high adoption rate confirms studies indicating that technology use has been the major driving force in Brazilian agriculture. Maize seed market in the world has been a concentrated sector. Although, when this sector is associated with transgenesis, this concentration increases sharply. In one side, there is the idea that companies can benefit from gains of scale and complementarities to maximize their efficiency in research and development (R&D).