Part of the problem, however, is that you can't do that and get the same variety with some plants on the second generation. (I guess this might different with t

Part of the problem, however, is that you can't do that and get the same variety with some plants on the second generation. (I guess this might different with tomatoes) >Most commercial vegetable seeds are hybrids, which come with a kind of built-in security lock; if you replant seed from a hybrid, you won't get exactly the same kind of plant.