A fungal disease causes leaf deformation.
Posted: Mon Feb 10, 2025 5:56 am
Watering
During the first month after planting, the tree needs to be watered every week. Then switch to one-time watering per month.
During dry weather, additional weekly watering is required.
Top dressing
The seedling does not need to be fed for the first 2 years. However, if there are not enough nutrients in the soil, then in the spring you need to add urea (at the rate of 40 g per square meter), superphosphate (up to 50 g per square meter), potassium salts (up to 25 g per square meter).
Summer fertilizing is conveniently done with special complex fertilizers.
Trimming
Maple pruning is divided into sanitary and formative.
Sanitary pruning is done in spring and protects the plant from possible breeding grounds for diseases. At the same time, all cut material must be burned to kill the larvae of pests, parasites and microbes.
Formative pruning gives the tree the desired decorative shape. It is carried out in late autumn or early spring during the period when the movement of sap has not yet begun.
Pests and diseases
There are a number of fungal diseases that affect leaves.
Powdery mildew
The disease manifests itself by the appearance of a white coating on the leaf blade. By the end of the season, first yellow and then black spots become visible on the leaves. Frosts do not save from the disease: it goes into the ground, and with the onset of warm weather it affects young leaves.
White spot
External signs of the disease (white spots) become visible only at the end of summer, although the plant was infected at the beginning of the season.
Brown spot
Brown or red spots appear on the surface jordan mobile database the leaves - foci of infection.
Taphrina polyspora
Maple branches and the trunk itself can also be affected.
Wilt
The disease disrupts the plant's metabolism, which often leads to the death of the maple.
Nectrium necrosis
Spread by rainwater and insects.
Cytosporosis
When the disease occurs, necrotic spots appear on the affected bark.
Diplodia necrosis
Signs of the disease are black, rough growths.
To obtain a healthy specimen of maple, you need to regularly inspect the tree, and at the first signs of disease, promptly begin treatment.
During the first month after planting, the tree needs to be watered every week. Then switch to one-time watering per month.
During dry weather, additional weekly watering is required.
Top dressing
The seedling does not need to be fed for the first 2 years. However, if there are not enough nutrients in the soil, then in the spring you need to add urea (at the rate of 40 g per square meter), superphosphate (up to 50 g per square meter), potassium salts (up to 25 g per square meter).
Summer fertilizing is conveniently done with special complex fertilizers.
Trimming
Maple pruning is divided into sanitary and formative.
Sanitary pruning is done in spring and protects the plant from possible breeding grounds for diseases. At the same time, all cut material must be burned to kill the larvae of pests, parasites and microbes.
Formative pruning gives the tree the desired decorative shape. It is carried out in late autumn or early spring during the period when the movement of sap has not yet begun.
Pests and diseases
There are a number of fungal diseases that affect leaves.
Powdery mildew
The disease manifests itself by the appearance of a white coating on the leaf blade. By the end of the season, first yellow and then black spots become visible on the leaves. Frosts do not save from the disease: it goes into the ground, and with the onset of warm weather it affects young leaves.
White spot
External signs of the disease (white spots) become visible only at the end of summer, although the plant was infected at the beginning of the season.
Brown spot
Brown or red spots appear on the surface jordan mobile database the leaves - foci of infection.
Taphrina polyspora
Maple branches and the trunk itself can also be affected.
Wilt
The disease disrupts the plant's metabolism, which often leads to the death of the maple.
Nectrium necrosis
Spread by rainwater and insects.
Cytosporosis
When the disease occurs, necrotic spots appear on the affected bark.
Diplodia necrosis
Signs of the disease are black, rough growths.
To obtain a healthy specimen of maple, you need to regularly inspect the tree, and at the first signs of disease, promptly begin treatment.