In the 1950s, as part of the nuclear energy craze, gardeners exposed seeds or seedlings to gamma radiation in order to induce beneficial mutations. In the UK, seeds were mailed out to enthusiasts to grow.

Mr. Tamagotchi [CC BY 3.0], via Wikimedia Commons

• Atomic gardening
• Mutation breeding
• Cobalt-60
• Rio Red grapefruit

Categories: Food & agriculture History Modern history Sciences

The Generalist

I live in Auckland, New Zealand, and am curious about most things.