Fungus infestation on the sour cherry is indicated by thin tips on the twigs. Intensive pruning must be carried out before flowering.
If the twigs of the sour cherry are very thin at the tips, it only helps to observe the tree and determine exactly when the young shoots of the tree are becoming thin. If the shoots wither within a short period of time after flowering, then it can be assumed that there is a fungal infestation on the sour cherry .Sour cherry fungus
The fungus by the name of Monilia laxa is up to mischief and prefers wet weather to then penetrate the blossoms into the wood. Due to the fact that the blossom is affected by this tree fungus, the later fruits are also affected. Unfortunately, the fungus also overwinters in the diseased branches.
Treatment of the fungus
The treatment should be carried out in such a way that an intensive pruning is carried out before flowering and here it is necessary to rigorously cut up to about 20 cm into the he althy wood in order to completely eradicate the fungus, otherwise there is a regular risk of reinfection of the wood.
The cut branches as well as the fruit affected by the fungus must be completely removed from the garden to prevent this fungus from spreading again. With this tree trimming, the rubbish bin must be preferred to the compost, because only he althy tree trimmings belong on it.