Pigweed Picks On Indiana
Pam Smith DTN\Progressive Farmer Crops Technology Editor
Fri Oct 26, 2012 01:30 PM CDT

DECATUR, Ill. (DTN) -- At least 50 fields across five northwestern Indiana counties have been confirmed as containing Palmer amaranth populations. The most competitive of the amaranth species, the weed is often referred to as "pigweed" or "Palmer pigweed."

Purdue University reported that several of the fields had overwhelming infestations. Palmer amaranth also was found along roadsides and in drainage ditches in the infested area. A population had previously been confirmed in the river bottoms of southwestern Indiana and the weed has crept into southern Illinois.

Glyphosate-resistant Palmer amaranth has proven to be one of the biggest challenges to growing ...

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