Stem cankers are patches of dead tissue that appear on a plant’s stem. The canker may be caused by an infection of bacteria, viruses, or fungi, and they generally expand slowly over time. Depending on the plant and the cause, stem cankers may be lethal to the plant.
Stem cankers are patches of dead tissue that appear on a plant’s stem. The canker may be caused by an infection of bacteria, viruses, or fungi, and they generally expand slowly over time. Depending on the plant and the cause, stem cankers may be lethal to the plant.