By Phil Howard

In the last 40 years, the commercial seed industry has transformed dramatically. It has shifted from a competitive sector of agribusiness, composed primarily of small, family-owned firms, to an industry dominated by a small number of transnational pharmaceutical/chemical corporations. These corporations entered the industry by acquiring numerous smaller seed companies, and merging with large competitors. This consolidation is associated with a number of impacts that constrain the opportunities for renewable agriculture. Some of these include declining rates of saving and replanting seeds, as firms successfully convince a growing percentage of farmers to purchase their products year after year; a shift in both public and private research toward the most profitable proprietary crops and varieties, but away from the improvement of varieties that farmers can easily replant; and a reduction in seed diversity, as remaining firms eliminate less profitable lines from newly acquired subsidiaries.

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