re: How many of you use plant with seeds from vegetables from last crop?

I have heard that but only when the hybrid plant is exposed to pollen from a new plant not similar hybrids. I understand how you dilute the gene pool every time the hybrid gets exposed to a new breed but that is what happens in nature. Rarely are any species nit hybrid. An heirloom exposed to a non heirloom become somewhat hybrid also.

Still not convinced that natural diversity (interbreeding) is a bad thing, except for seed manufacturers. But know it’s true for fruits of grafted trees because they use differnt root stock.