The allelopathic Bonsai trees

Bonsai Trees - Comprehensive benefits, the trees have an enviable position in any landscape, shadow, the control of soil erosion, the home of many birds, fruits and flowers. Of all the parts of a tree, the roots are perhaps the most appreciated, since they are not.


There are two types of roots, primary roots that grow on the bottom vertically in the soil and the secondary roots that branch off in a horizontal direction. The architecture of the system of the root is to absorb water and inorganic nutrients and hold the plant to the ground.


Affect the roots to the ground, depending on the type of tree and the ground. These effects have a direct impact on all the plants that grow close to the tree. Normally a healthy tree represents a healthy soil. A large tree occupies the greater part of the available water in the soil, leaving the other dry plants. Growth, as well as mowing the lawn grass is another of the difficulties around a large tree, especially if the roots are coming from outside. Tree roots help control soil erosion, however, in some cases the roots have a negative effect on the ground, causing a phenomenon called allelochemicals.

The allelochemicals

Derives from two words; allelon which means the one of the other and pathos meaning suffering. Refers to the inhibition of a chemical species to another, through the release of a chemical that affects the development and growth of surrounding plants. In other words, plants to try to get your own space, by restricting the growth of other plants too close to them. The secretion of allelopathic chemicals are not only confined to the roots, are also found in the branches, leaves, flowers and fruits. The leaves and the bark decomposed affect the top layer of the soil, while the roots affect the surrounding soil. The chemical restricts the growth of the roots of other plants by inhibiting its source of nutrients, thus influencing its development and distribution.


Is an aromatic organic compound allelopathic effect is found naturally in the roots, bark, and leaves of trees of the family Juglandaceae. It releases certain enzymes that inhibit the metabolic function, preventing the growth of many plants and sometimes even kill a plant allelochemicals intolerant. The amount of Juglone released depends on the climate and soil conditions. The black walnut is the most commonly known by their allelopathic properties. When juglone sensitive plants come between 0.5 and 0.25 inches of the roots of the trees, which in turn yellow wither and die. This in turn, it also infects the ground.

The allelopathic trees

In addition to the wood of black walnut, the following are the trees with allelopathic properties:

  • Sugar Maple
  • Sycamore american
  • Eucalyptus
  • Alamo of Virginia
  • black Cherry
  • Red Oak
  • English walnut
  • Juniper

Reduction of the effects of the allelochemicals

Would not only sensible uprooting large allelopathic trees, instead only a few simple precautions can be taken. A well-drained soil and airy determines the amount of accumulation of chemical product and the presence of microorganisms in the soil breaks down toxic chemicals. Maintain the health of the soil by adding organic matter on a regular basis can go a long way to keep all the healthy plants. Plants can also be grown in containers and pots around the tree allelopathic effect, just make sure you receive enough sunlight. Another way to ensure a healthy landscape, is to grow a wide variety of allelopathic plants tolerant. Some of them are:
  • Hawthorn
  • Flowering dogwood
  • Tulip tree
  • Hydrangeas
  • Hibiscus
  • Daffodils
  • Lilies of day
  • Virginia Creeper

A tree should be enjoyed, although some of its qualities are harmful to others. It would be easy to uproot a tree or a plant allelopathic effect, but a good gardener should find ways to grow all together

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