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Geraniums are beautiful plants that beautify with simplicity and are easy to grow, as they do not require special care. Also you can provide for their multiplication with a single plant. This guide will help you create a cutting, that is, the fragment of a plant cut specifically and planted in the ground or placed in water to regenerate the missing parts. This way you can multiply your geraniums by creating a fantastic scenery on your balcony, terrace or garden. The benefit of making cuttings is that it allows you to save geranium branches that have inadvertently snapped. The size of the branch is not important, it will take root anyway, certainly the bigger it is, the better the chances of success. Furthermore, the longer the branch used, the larger your plant will be at first. There geranium cutting it is removed from the largest shoots and the ideal period is towards the end of summer. Usually the one about 10 cm long is chosen and it must be cut under the knot with a well sharpened and well sterilized knife, avoid fraying the fabrics, eliminate the buds, flowers and lower leaves. Treat the base of the cuttings with specific hormones to promote rooting and also use a powdered fungicide. Finally, the geranium cutting in a mixture of peat and fine sand, up to the height of the first leaves and place the pot in the penumbra where it is possible to maintain a constant temperature of about 16-18 ° C. It is advisable to use sterilized pots, also providing for the sterilization of the soil in a stove, steam or oven by bringing it to a temperature of 100-120 ° C for a few minutes. Cover the pot with transparent plastic to ensure heat and humidity avoiding touching the cuttings and keep the soil always moist, eliminating any condensation, dangerous for the creation of mold. Leave for about 30-45 days in this state, waiting for the first roots, then transplant the cuttings that have now become plants into another pot.
Geranium cutting in water
Fill a tall container with at least a liter of water and a little coca-cola which will be used to stimulate the plant in the production of new roots. Then insert the stem and leave the container in a sunny and warm position, otherwise in the case of low temperatures it is more appropriate to keep it at home, in a bright position and close to heat sources. After about twenty days, the twig will begin to have its first roots. It is advisable to wait until they are long enough before transplanting it into a pot containing well-fertilized soil.
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Moisture and rooting hormones
The geranium cutting initially not having a root system can dehydrate much more easily, causing its death. To ensure that the transplant is successful, it is necessary to place the cuttings buried in a shaded position to avoid desiccation, the soil must be moist, avoid stagnation in order not to create rot and finally the surrounding air must be humid, therefore place the containers always under covers in PVC, non-woven fabric and the like. To irrigate the geranium cutting use a nebulizer that allows you to create the right environmental humidity conditions.
To stimulate the production of new roots, if the plant is not very vigorous, it is advisable to administer rooting hormones. Auxin is the natural plant hormone that performs this action, but you can also choose chemicals such as indole-3-butyric acid or naphthylacetic acid in liquid, gel or powder form.
Geranium cutting: Advantages and disadvantages of cutting
The cutting technique allows asexual multiplication, i.e. without the genetic recombination that is normally linked to sexual reproduction. The plant obtained is to all intents and purposes a true clone of the "mother" geranium since it has the exact same DNA. This means that it is already possible to know at the outset what characteristics a plant deriving from cuttings will present, unlike what happens instead with multiplication by seed which is linked to a certain probability due to genetic recombination.
Another advantage linked to the use of cuttings is that reproduction by seed often does not lead to positive results, due to the scarcity of seed fertility, to the particular conditions required during germination and to the time it takes to become adult. Taking cuttings from an adult plant certainly speeds up the flowering process. One of the disadvantages related to the use of multiplication by cuttings is the absence of genetic variability between the starting geranium and the plant obtained, it can therefore happen that the arrival of an infection, a parasite or any crop adversity is in able to attack and propagate even to the new plant, devoid of defense, the other disadvantage linked to the cutting can be the transmission of various diseases or infections from the mother plant.