LARAMIE, Wyo., April 21 -- The University of Wyoming issued the following news release:
Palmer amaranth and other weedy species in the amaranth family pose a growing threat
to agricultural operations across the West, with a new invader -- waterhemp -- first
documented in Wyoming last summer.
Seven amaranth species, including both native and nonnative species, have been observed
in Wyoming so far. As agricultural weeds, redroot pigweed, Palmer amaranth and waterhemp
are the most concerning, a recently updated University of Wyoming Extension bulletin
reports.
Weedy amaranth species thrive in agricultural settings, roadsides and other disturbed
areas. Their aggressive spread is aided by prolific seed production, which allows
them to outcom...