NDSU Extension - Morton County


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July 6, 2020 Herbicide Injury on Plants


For Immediate Release

Kelsey Deckert, Horticulturist, Morton/Burleigh Counties
July 6, 2020


Herbicide Injury on Plants


Are the leaves on your tomato plants curling up tightly?  Are you seeing cupping of leaves on trees? If you are seeing these symptoms or distorted/deformed leaves of plants, you most likely are seeing the effects of herbicide injury.

Herbicide injury, especially on garden plants, have been very prevalent the past couple weeks in this area.  Many homeowners want to achieve the perfect, weed-free, manicured lawns.  In doing so there may be accidental drift onto garden plants or trees. Tomatoes and potatoes are very sensitive to herbicide injury are typically are the ones first noticed with issues in a garden.  

I often hear I didn’t spray for any weeds.  If that is the case there are other sources that can contribute to herbicide injury.  Other sources could be grass clippings used as a mulch from a lawn that has been sprayed, neighbors or farmers spraying nearby, compost, manure, and even animals that have tracked on an area that has been sprayed can bring herbicide into a garden.

Unfortunately, there isn’t anything that can be done with plants that have herbicide injury. Trees can tolerate an accidental spraying. Garden plants should be discarded.

For more information, contact:

Kelsey Deckert, Extension Agent - Horticulture
Burleigh/Morton County Extension (701) 221-6865 or (701) 667-3340



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