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Herbicide Damage

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Authors: Aaron Bergdahl and Joseph Zeleznik

Symptoms

• Abnormal growth, necrosis, blistering and discoloration occurs in plant tissues.

Figure 1 – Leaf cupping of hybrid elm due to exposure to growth regulator-type herbicides. Damage would be similar on apple leaves.
Photo Credit:
Aaron Bergdahl, ND Forest Service
Figure 1 – Leaf cupping of hybrid elm due to exposure to growth regulator-type herbicides. Damage would be similar on apple leaves.
Figure 2 – Strapping and distortion of apples leaves due to exposure to growth regulator-type herbicides
Photo Credit:
Joseph Zeleznik, NDSU
Figure 2 – Strapping and distortion of apples leaves due to exposure to growth regulator-type herbicides

Management and other important facts

• Always read and follow the product label when applying herbicides.
• Avoid applying herbicides during windy conditions to prevent herbicide drift.
• Avoid applying broadleaf herbicides on warm days.
• The use of farm-grade chemicals for broadleaf weed control on lawns has killed even mature trees.

Sections

This website was supported by the U.S. Department of Agriculture’s (USDA) Agricultural Marketing Service through grant 14-SCBGP-ND-0038.
Its contents are solely the responsibility of the authors and do not necessarily represent the official views of the USDA.