wrote in message
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Oz wrote:
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However maize in europe has no species to x-breed with, so it's not
an issue.

They thought the same in USA. The GM corn ended up in México.
Corn can travel across continents, and does so regularly.

just check your map, there didn't use to be a continental land bridge
between Europe and South America


--
Jim Webster

"The pasture of stupidity is unwholesome to mankind"

'Abd-ar-Rahman b. Muhammad b. Khaldun al-Hadrami'
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