The purpose of the cultivated field and of the garden is precisely to eliminate most of the variables that would compete against the cultigen. In this man-made and -defended environment—other flora, exterminated for a time by fire, flood, plough, and hoe, pulled out by their roots; birds, rodents, and browsers scared off or fenced out—we make a nearly ideal world in which our favorites, perhaps carefully watered and fertilized, will flourish. Steadily, by coddling, we create a fully domesticated plant. “Fully domesticated” means simply that it is, in effect, our creation; it can no longer
...more

