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Tomato plants are especially vulnerable to persistent herbicides
Tomato plants are especially vulnerable to persistent herbicides

All of the leaves on some of my tomato plants have curled down, except a few twisted in all directions. They were growing great for a while. It looks contagious because they're all together. What is this? Tomato plants are like canaries in the coal mine when it comes to herbicide injury. They are super sensitive to the chemical 2,4-D and its family of growth-regulating herbicides, including clopyralid. Twisted growth is a classic symptom. Most likely an herbicide sprayed in your area was carried by wind and drifted onto the tomato plants. Clopyralid also could have been present in mulch or compost used on your garden. It is a very persistent herbicide — it can travel from...

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