Russian Thistle Spread: weed invades 100 million acres; USDA tests blister mite control
Introduced to North America in the 1870s, Russian thistle rapidly colonized the western regions, thriving in arid and disturbed soils. Its spread was exacerbated by agricultural shipments, where seeds mixed in could disseminate widely through farms and railroads. Once dry, the weed rolls across the landscape and scatters its seeds,…
The Times of India ·