Tomato
Adventitious Roots
Adventitious roots
Other
In a Nutshell
- Bumps on stems.
Can also be found in
Tomato
Symptoms
Bumps, little knobs, swellings, or tiny hairs on the stems of plants. They can show up in different places on the stem.
Recommendations
Organic Control
No biological control is needed for this harmless issue; simply follow preventive measures to avoid it.
Chemical Control
No chemical control is needed for this harmless issue; simply follow preventive measures to avoid it.
What caused it?
These bumps are harmless, however they may be a sign that the tomato plant is stressed. The stress is possibly due to damage to the root system, improper watering, high humidity, or a fungal infection. These roots are the plant’s natural response to manage and adapt to these stress factors. It should also be noted that certain varieties of tomato placed under particular production conditions (excess humidity, lack of water) can physiologically produce adventitious roots. Traditional varieties are more prone to the development of adventitious roots.
Preventive Measures
- Plant tomato stems deep, up to where the first real leaves start, to help them grow strong roots.
- Make sure the soil is loose and drains well, and use organic mulch to keep the moisture steady.
- Water the plants deeply but not too often to help the roots grow deep.
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