Scientists thought they had created the perfect tree. But it became a nightmare.
September 17, 2018A pear seedling selection named Bradford was cloned by the gazillion to become the ubiquitous street tree of America’s postwar suburban expansion. Then it turned invasive.
from Lifestyle https://ift.tt/2NgoRB2
A pear seedling selection named Bradford was cloned by the gazillion to become the ubiquitous street tree of America’s postwar suburban expansion. Then it turned invasive.
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