California had 2.34 million acres covered by a toxic yellow weed until tiny Australian beetles fought back and reduced it by 99% within a decade

For years, St. John’s wort was treated as a useful medicinal plant in parts of Europe. In northern California, its reputation ...
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Targeting invasive 'mile-a-minute' weed with biological control

MICHIGAN (WPBNWGTU) -- An invasive vine is under close watch in Michigan. The mile-a-minute weed is currently established in southern lower Michigan and there's growing concern it could expand north.
Nature

Biological Control

Biological control harnesses the power of natural enemies—predators, parasitoids, pathogens and competitors—to reduce pest populations in a sustainable and ecologically sound manner. Classical ...