Recognize and treat diseases

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Fungal diseases have an easy time of it

In general, water lilies apply - especially those in pond - as sensitive to fungal pathogens. The reason is that, due to their location preference, they provide an ideal breeding ground for mushrooms. Water lilies grow in damp to wet surfaces. Mushrooms love such an environment and can spread quickly and unhindered in it.

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Recognize leaf spot disease

Too often it is leaf spot diseases that afflict water lilies. There are two pathogens that occur more frequently and make it difficult for the water lilies to survive. You can recognize an infestation by:

  • point-like discoloration of the leaves
  • Points get darker and darker
  • then holes appear
  • then the leaves die off

If the plant is left untreated, it will die soon. You should remove and dispose of infected parts as quickly as possible. As a preventive measure, it is important to minimize favorable factors. These include, for example, locations that are too shady and water that is too cold.

Tuber rot - rhizome has been attacked

Another dangerous disease is tuber rot. Here the rhizome is attacked first. As a rule, this disease appears at the earliest in the 2nd Year of life of the water lily. Help is often not in sight. It is better to remove the diseased plant from the pond before the fungal spores spread to other water lilies or other plants in the pond.

You can recognize tuber rot on the water lily by the fact that the rhizome is brown to black in color. It stinks and the smell is reminiscent of putrefaction. In addition, the rhizome is soft. Furthermore, the leaves are unusually colored. Initially, their color changes from dark green to light green. After all, they only describe a yellow and are partially rolled up.

Stem rot - stems rot

A third disease that can occur is stem rot. Here in brief:

  • can behind one Blossom failure put
  • Stems have rotted away
  • Leaves turn light green to yellow
  • Initial stage: cut away the infected parts and dust the interfaces with ashes
  • advanced stage: eliminate the diseased plant

Tips

Before you decide on a certain water lily species and variety, you should find out about its disease resistance!

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