Identification of the pest infestation
- First small yellow spots on the leaf
- The leaves are then completely yellow or orange
- Formation of wart-like growths on the underside
- Growths break open in a grid-like manner
- Premature leaf drop
Pear grate - a widespread disease of the pear tree
Pear grating has spread across the country in recent years.
also read
- The pear tree gets brown leaves. What could that be?
- Fungal attack on the pear tree - what can you do about it?
- Spray pear tree - when is it necessary?
The trigger is a rust fungus that overwinters in juniper bushes and spreads its spores several hundred meters above the air. Only pear trees are through that Fungal attack endangered.
Experts explain the increase in rust fungus with the increased planting of juniper bushes in gardens, parks and cemeteries.
What to do if the pear tree is infested?
The good news is that healthy, tall pear trees handle fungal infestation quite well. However, there are fewer To harvestbecause the tree can absorb less nutrients from the infested leaves.
The bad news is that so far nothing effective can be done about the pear grate on the pear tree.
Pick off any affected leaves and throw them in the garbage can or burn them. Under no circumstances should these leaves be composted.
Prevention of pear rust
For the appearance of pear rust, two factors must come together, namely one Juniper as a host plant and a pear tree that are less than half a kilometer from each other are removed.
The only effective way to combat rust is to prevent it by removing any juniper bushes around it. This interrupts the circulation of the spores.
In addition, the foliage of the pear tree must be carefully collected and disposed of in autumn. In the growths on the underside of the leaves there are new nests of spores that overwinter in juniper bushes and cause new fungal infestation in the next year.
Tips & Tricks
If your pear tree is attacked by the pear grid, it may help to strengthen it. Make sure you have a good one fertilization. To do this, rake ripe compost or well-rotted manure into the soil. Healthy trees develop better resistance to fungal attack.
