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Waterpod (06/02/16)

Each year it seems a different weed becomes the mystery weed to identify.

Waterpod

Each year it seems a different weed becomes the mystery weed to identify. To this point, waterpod seems to have the crown. Waterpod (Ellisia nyctelea L.) is an annual broadleaf plant in the Waterleaf family (Hydrophyllaceae). There are no other (common) weeds in this family that infests cropland in the northern plains. My experience with waterpod has been intermittent – it has been more of a “nuisance” weed and it shows here and there and rarely in high densities. It does not seem to be tolerant to many POST herbicides. Our observations and data base shows 2,4-D, and many ALS herbicides are effective in controlling waterpod. I suspect the cool and moist conditions must be conducive to emergence and growth and glyphosate and most POST herbicides will control it. Refer to photos below for help in identification.

wdsci.zollinger

Rich Zollinger

Extension Weed Specialist

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