From New Scientist:
THE blight that triggered the great famine in Ireland in 1845 is still the biggest disease threat to spuds worldwide - and it's no wonder.
Researchers have sequenced the genome of the mould that causes blight and found it keeps a huge arsenal of potato-destroying genes, ready to evolve around whatever defences taters can muster. On the plus side, the sequence also suggests ways to fight back.
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