The amaryllis requires little care but offers you brilliant flowers. However, you should react quickly to certain signs of illness. Once the onion has been damaged, regeneration is otherwise difficult.
What diseases can affect amaryllis and how do I prevent them?
Amaryllis can be affected by fungal diseases such as “red burn” and root or bulb rot. Preventive measures include: proper watering, avoiding waterlogging and giving the bulb a rest period after the flowers wither.
Which fungal diseases occur in amaryllis?
The Amaryllis (Hippeastrum) can be attacked by “Red Burner”. This disease is caused by a fungus called Stagonospora curtisii. The spores of the fungus cause red spots or streaks on the leaves of the amaryllis and cause the tissue to die. You should also intervene to prevent it from spreading to other plants. Discard infected onions or place them in 45°C water for 3 hours.
Which root diseases can affect amaryllis?
The amaryllis can also be affected by root rot orbulb rot. You can recognize this disease either by the rotten condition of the onion or by a foul smell. If the onions are rotting, you need to act quickly. How to proceed:
- Check the humidity in the amaryllis pot
- Fill the pot with expanded clay (€19.00 at Amazon) and new potting soil
- Repotting amaryllis in this pot
You should under no circumstances continue to use rotten substrate. A substrate of this type has a negative effect on the amaryllis flower bulb.
How do I prevent diseases on the amaryllis?
Withcorrect care you can prevent common diseases. Water the plant properly and avoid waterlogging. You should also give the plant a rest period after wilting. You should not water or fertilize the onion during this period. The onion needs rest before it can start a new growth phase. Only when a new stem with a bud forms do you supply the amaryllis again. However, caring for amaryllis is not difficult.
Tip
Caution poisonous plant
Amaryllis contains toxins. Therefore, when cutting the plant or handling the bulb, you should wear gardening gloves for safety. How to avoid damaging the skin.
