Monilia lace drought on almond trees: This is how you put an end to the fungal disease


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The flowers of the almond tree turn brownish and the leaves wither, usually the Monilia lace drought is behind it. In that case you have to act fast.

The Monilia lace drought is a fungus

The Monilia lace drought is a dreaded fungal disease that often infects almond trees, with ornamental almond trees are particularly vulnerable. The best prevention is a proper cut and a sunny location. If you see signs of peak drought, immediate cutting of affected branches will help. In case of severe infestation, spraying with a fungicide remains the last resort, but usually the safest way.

What is Monilia Peak Drought?

The causative agent is a fungus of the genus Monilia. The top drought arises when the almond tree is attacked by the fungus Monilia laxa. The spores penetrate over the flowers and spread to the shoot tips. Visually, you recognize the disease on brownish discolored flowers and withered leaves. The tips of the individual shoots dry up and eventually die. Another indication is the so-called rubber flow. It occurs at the transition points to healthy wood.

The Monilia lace drought is spreading very fast. The biggest danger is that the fungal spores survive in the wood. Monilia can then break out in the following year, even after very cold winters, and spread to other stone fruit trees and rose plants. In the spring, the fungal spores multiply massively and spread even at the slightest breeze.

So effectively prevent the lace drought

In order for the almond tree to develop healthy and strong, a sunny and sheltered location is important. During the summer months, ensure plenty of water and avoid waterlogging - a loose soil is ideal. Fertilizer is composted.

The second precaution is the right cut. In very dense treetops, the moisture can not evaporate, making the plant very susceptible to disease. Between the branches and branches the air has to circulate. For this to work, you must clear the almond tree after flowering in May. In autumn, you can cut again and remove old, dead branches.

Measures against infestation with peak drought

As soon as you detect symptoms of Monilia peak drought, cut off the affected branches and shoots generously. At least 15 to 20 centimeters to healthy wood. Then you must dispose of the removed parts immediately! Incinerate the waste or dispose of it with household waste. Never put them on the compost heap! Then you have to provide the interfaces with tree wax, so that no further fungal spores can penetrate here.

If the infestation can not be contained, commercially available antifungal agents (e.g., available here) will aid in spraying. In the flowering season you inject several times a week, so that the Monilia pathogens can not spread. This is particularly useful if it rains a lot during the flowering phase or the flowering time in a cool spring takes a long time.

Summary:

  • choose a sunny and sheltered location
  • there must be no waterlogging
  • Regular cutting ensures air circulation
  • at first infestation stingy shoots and branches
  • In case of heavy infestation, spray with antifungal agent
  • Burn cutting waste or dispose of it as household waste

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