It started with one plant and now seems to be spreading to the rest of them.

  • SWIM@lemmy.world
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    1 year ago

    The bumps on the stem are likely root initials. They are the earliest stage of development of a tomato’s roots. Most of the time, bumps are not harmful to tomato plants and are considered normal. Root initials emerge on a tomato stem as a result of stress – most often when there’s a limit or blockage in the stem.