Why pick fruit trees

What fruit trees can be vaccinated, and which no? I really want to grow a pear, a cherry, a plum, and so on.
To answer this question, remember that we call ads in vaccination parts (individual kidneys or pieces of a stem with several kidneys - cuttings) of one plant on the stems of other, well-defined plants, called ingredients.
As a result, complex plants are obtained, the root system and part of the stem of which belong to the extension, and the main part of the crown is driven. The laying give plants increased viability and regulate in the desired direction of growth and development, and the presence of all valuable decorative and economic useful qualities of breeding plants. In modern gardening, with the help of vaccination, valuable varietal plants usually determine.
A positive result when vaccinated will be only if there is a solid fire between the crucible and the formation of a close connection between their vascular systems will occur. But such a connection is possible only between genetically close plants, as a rule belonging to the same kind (in the extreme case, the family): the nature of the apple tree, the kind of pear, the genus of the cherry (the sherry nature includes the scene), the nature of the plum (plum , Alycha).
The captivity of parts of plants belonging to one family, but to different kinds, and sometimes both species (within the same kind), as a rule, does not occur or it is short-lived. In this case, they are talking about the incompatibility of plants, which depends on the set of reasons.
Basically, incompatibility is explained by the genetic remoteness of the insertion components and, as a result, the inconsistency of their life rhythms, especially in the time of the onset of rest period. Moreover, even within the same kind, for example, the apple tree is undesirable to vaccinate on one tree summer and winter varieties, since because of the different time of ripening fruit, the rhythm of growth processes is broken, which leads to a decrease in its winter hardiness. And in the bone cultures, incompatibility is manifested more often than in the bone.
The issue of incompatibility when grafting fruit plants is very complex and not fully studied. But one thing is clear that we can not grow a pear on the apple tree, a cherry or plum. And why?
On a note:
On each country ground, there will always be places where we need to remove weeds or braid the earth.
Excellent cultivators dacnik For loosening of light soils sold to the online store of garden technology, will become an indispensable assistants at any dacha. The width of the capture depends on the number of steel gear disks. An additional tool is attached to rotational models - a knife-polynicon, which cuts the weeds and turns them out of the ground; In addition, such a cultivator can close the cutting grass into the ground. It can be placed on a long handle and work without leaving. And for particularly subtle work in narrow places, the long handle is changed to short. What do not say, and in the country area such a tool is bendable.

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