 For example, the combination of European corn borer resistance and glufosinate tolerance increased yields by 3.13, smaller than either of the individual traits

The seed industry is dominated by a small number of vertically integrated firms.In 2011, 73% of the global market was controlled by 10 companies.In 2001, the USDA reported that industry consolidation led to economies of scale, but noted that the move by some companies to divest their seed operations questioned the long-term viability of these conglomerates.