Jamjam
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Joined: Thu Apr 26, 2018 10:05 pm

White spots on tomato stems

One of our tomato plants has been getting these weird white spots on the stems. Anyone have an idea what this is and if/how I should treat it? Picture attached. Any help is appreciated!
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Tomato spots
Tomato spots

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applestar
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Posts: 28245
Joined: Thu May 01, 2008 7:21 pm
Location: Zone 6, NJ (3/M)4/E ~ 10/M

Re: White spots on tomato stems

Looks like powdery mildew to me. If so, you will need to use a fungicide. Another possibility is that you sprayed with something and it is attracting mold.

If the black tubing is irrigation, make sure it’s not spraying up st the foliage.

Once the infection is under control, use a mild preventive like milk spray.
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