Scott Foster wrote:With all that said, if I plant a nice variety of heirloom corn or beans, how do I keep those plants from cross-pollinating with the farmers GMO or Hybrid corn down the street?
Scott Foster wrote:I'm not sure what the differences are between heirloom, landrace and open pollination.
Gilbert Fritz wrote:You are more or less right. The only thing I'd add is that you left out open pollenated. OP seeds fit your definition of heirloom, but they are of recent origin. Heirlooms are all OP, but they are also old; not all OPs are heirloom. Heirloom is actually a rather vague and not particularly useful concept, except to those who market seeds, since nobody agrees on how old a strain has to be to count.
Jarret Hynd wrote:I think you nailed the descriptions pretty well. Just a point I'll make is our own Joseph Lofthouse has talked about getting good varieties that originate either from store produce or hybrid varieties. So it's not like they are bad perse, but to plant large areas with them certainly are a heavy yearly cost, which makes it hard to be profitable with them on a smaller scale.