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 So some farmers have wanted to select for very short distances between leaves,
and have bred the cabbage we eat.
 Some have wanted to select for arrested flower development, and have bred
broccoli, or for sterile flowers, and have made the cauliflower.
 Some have selected for swollen parts, and come up with kohlrabi.
 Some have simply looked for slightly larger leaves, and come up with a leafy
vegetable called kale.

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