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Hornbeam

How to irrigate

The black hornbeam should be watered regularly during the summer season, especially if there is a long period of dryness; the soil should not be left dry for too long, and it may be advisable to slightly wet the leaves in case of excessive heat. In winter, however, and particularly if rainfall is frequent, it is essential to limit irrigation, as an overabundant administration of water could cause annoying water stagnation and, consequently, rot and fungal diseases. Drip irrigation is the recommended method, since it allows you to save a considerable amount of resources and to wet, according to your preference and according to the needs of the plant, directly the roots or only the surface of the soil, with slender and continuous jets. .

How to cultivate


This tree, which can reach 15 meters in height, needs a light and well-drained soil, in order to avoid water stagnation; the soil must be mixed with peat, but without exaggerating so as not to make the whole too heavy. The multiplication occurs through sowing or cutting: in both cases the operation must be carried out in a specific container, and then transplant the seedling in the garden after at least two years. When the implantation takes place outdoors it is advisable to place a brace in the hole, which can support the growth of the specimen in the initial stages. It is suggested to prune the tree at the end of the winter season, and only to eliminate dry branches and adequately encourage the development of others.

Fertilization


Fertilization must be carried out in spring or autumn, with organic products or which in any case balance the three indispensable macroelements, namely potassium, phosphorus and nitrogen; however, the latter should be present to a lesser extent, especially in autumn, in order not to weaken the tree in view of the winter with a disproportionate growth of the vegetative parts. The growth of tissues, in fact, is the main function of nitrogen, while potassium helps the absorption of water and sugars and phosphorus supports the processes of metabolism and the strengthening of the roots. A deficiency of these three elements could be very harmful to the plant,

Hornbeam: Exposure, diseases, parasites


For the black hornbeam a sunny exposure is recommended, or partial shade if the heat is excessive; the tree is quite resistant to low temperatures, but it is preferable to place it sheltered from the elements. Furthermore, this plant is frequently attacked by the Taphrina hornbeam fungus, which tends to affect the trunk and branches and causes them to hypertrophy: specific fungicide products are needed as a cure. Another rather widespread fungal disease is powdery mildew, which manifests itself with a white mold on the leaves and causes their decay, and which in turn can be counteracted with special fungicides, preferably sulfur-based. Among the parasites, however, we must mention aphids, which suck the sap of the plant and can be fought with a simple nettle macerate.

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