Recognize fungal attack on the emerald thuja
If the shoots of the emerald thuja turn brown, dry up or even fall off, you should examine the arborvitae for fungal attack. Just to be on the safe side, ask a professional for advice.
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In most cases, fungus infestation is caused by too much moisture in the soil or on the shoots themselves. In the case of the emerald thuja, the cause may be that the tree was planted too densely.
Root rot is also caused by fungi. It is triggered by waterlogging and occurs on soils that are not sufficiently permeable to water. Due to the standing water, the roots can neither absorb nutrients nor moisture and the tree of life dies.
How to combat a fungal attack on the emerald thuja
- Cut off infected shoots generously
- Dispose of with household waste or burn
- Thinning out the tree of life
- Treat emerald thuja with fungicide
Under no circumstances should you throw the cuttings on the compost heap, as the fungal spores will then continue to multiply.
Clean the cutting tools thoroughly after use so that you don't transfer the spores to other plants.
Fungicides for fungal attack on emerald thuja are available from specialist shops. When using it, follow the instructions on the packaging exactly so as not to pollute the environment too much.
Prevention of fungal attack
Make sure that the soil is permeable to water. Light the tree of life more often so that the air can circulate better.
If the emerald thuja is too close to other plants, for example in the hedge, the entire stock of thuja is threatened. If in doubt, you should remove heavily infested trees completely and thus increase the planting distance.
Use tonics that are specially offered for the tree of life. This will make the emerald thuja more resistant to fungal attack.
Thuja emerald is particularly susceptible to fungal attack when used as a hedge. The planting distance is simply too small here. You should rather cultivate emerald thuja as a solitary in the garden.