Consolidation has increased in the international seed industry in recent decades. The chart below depicts changes in ownership involving major seed companies and their subsidiaries, primarily occurring from 1996 to 2013. The largest firms are represented as circles, with size proportional to global commercial seed market share.
Seed Industry Structure
by Philip H. Howard
https://www.msu.edu/~howardp/seedindustry.html
Philip H. Howard
https://www.msu.edu/~howardp/infographics.html
Information Graphics
Wine, Beer, Soft drinks, Coffee, Organic, Seeds, Foodborne illness, Food system