Fast-growing noxious weed found in 5 Indiana counties - 13 WTHR Indianapolis

Fast-growing noxious weed found in 5 Indiana counties

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WEST LAFAYETTE -

A fast-spreading weed that can grow up to 7 feet tall and clog up cropland has gained a foothold in five northwestern Indiana counties.

A Purdue University Extension weed specialist says this isn't the first time Palmer amaranth has been found in Indiana. But Travis Legleiter says discovery of the weed in at least 50 corn and soybean fields of Jasper, Newton, Pulaski, LaPorte and Cass counties represents the state's most significant infestation.

Palmer amaranth can grow up to 2 inches a day in summer heat and it's typically resistant to herbicides used in corn and soybean fields.

Farmers should alert their local extension agent if they suspect a Palmer amaranth infestation in their fields. Each Palmer amaranth plant can produce up to 500,000 seeds.

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