“…One main incompatibility is the issue of saving and sharing seeds, which is an important way for smallholders to ensure seed supply and keep costs down. In South Africa, many modern varieties of maize, hybrids, GM, and also some OPV seed are protected by plant breeders rights, which prevent farmers from sharing seed with others (although they do allow farmers to reuse seed on their own farm (Collier, 2012; Collier & Moitui, 2009). This goes against smallholder practices and is frequently breached (often unknowingly) by smallholders.…”