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Why Choose Sowing Seed Multiplication?

Why Choose sowing Seed Multiplication?

Why Choose sowing Seed Multiplication?
Why Choose sowing Seed Multiplication?

Some plants lend themselves quite easily to seed reproduction: in ornamental plants, this is the case of most annuals. For others, on the contrary, do sowing proves much more difficult, as many show trees and shrubs whose seeds are often subject to periods of dormancy, or double dormancy (of plants), or mistletoe is wrapped with integuments extremely protective, woody, in any case very hard.

same in nature, these seeds have trouble to germinate and it is common that they dry or rot before to have sprouted. Seed multiplication can also present problems of other order.

Sometimes the grain does not do not give birth to plants having the desired characteristics: we do not always get from a seed harvested from a plant bearing flowers, of such color a flowering plant of the same color.

For example, we often get from the seeds of some dendrons red rhododendrons with pale lavender flowers, and the Cornus seeds with red flowers almost always give plants with white flowers. In contrast, there are plants that do not give birth to an offspring identical as if multiplied by sowing.

For example, Taxus capital, a kind of pyramidal yew, does not take this form only if we multiply it by sowing, while plants from the cuttings take a totally different shape. different, more erected; in this case, if we want to give them a pyramidal form, it is necessary to cut them.


Advantages


Compared to other forms of reproduction plants, that by sowing offers many benefits, especially for amateur gardeners. In principle, sowing is a technique simple, which does not require theoretical and practical knowledge special. It’s also a technique economic: with species that give a lot of seeds, we can get considerable amounts of new plants out of one.

Moreover, many plants are more vigorous when multiplied by sowing only when multiplied by cuttings. Thanks to their robust root system one can use the young plants as a staple to then receive variety cuttings, mostly ornamental, possessing a system lower root. Another benefit is that diseases caused by viruses and mycoplasmas are hardly ever transmitted by the seeds.

We can multiply by sowing plants that it is difficult to find in the trade. It is easy to ship the seeds of a place of the world to another if one obviously respect the different phytosanitary laws that are sometimes quite rigid in many countries.

Indeed, introduce cash non-Aboriginal people may submit risks: some plants transported from one continent to another, even if the transport was the result of chance, were at the origin of true invasions different the new territory they have occupied since they had no natural enemies.


Disadvantages


On the other hand, with regard to disadvantages, we often observe a difference between mother plants and their offspring obtained by seedlings. This difference is explained by the fact that the genes of both parents combine and make sure girls are born with characteristics different (this is what we call variability).

This is a problem that does not a concern, almost exclusively, that professionals who need to be able to guarantee their customers the varietal regularity of a plant.

This mechanism is truly fundamental for professionals from hybridization, the creators of new varieties that rely on the genetic laws behind the variability within a species for to obtain new cultivars, more vigorous, cultivars with different port, including flowers and foliage will have even more beautiful colors, which will offer better resistance diseases and pests, which will adapt more easily to difficult weather conditions …

It should be noted that in nature it is precisely the variability that has penned, among others, that species adapt little by little to the modifications of their environment and that appear, firstly thanks to the selection natural, then by selecting the made of man, varieties from of what is called “the species type “.

Another disadvantage is that in general, plants from seedlings go through a juvenile phase during of which they wear totally different characteristics of those they will have adults.

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