Genus that counts numerous varieties of shrubs, erect or climbing, originating from all the countries found in the northern hemisphere; from these varieties, over the centuries, dozens of varieties have been derived, both hybrids and cultivars, and every year new ones are produced, with particularly abundant blooms, large flowers or bright colors. They develop erect stems, ramified in a disordered way, woody at the base, which generally carry numerous thorns; the leaves are dark green, pinnate, with small oval, pointed leaves. In May-June they produce numerous medium-sized flowers, simple, double or stradoppi, often intensely scented, so much to be used in the perfume industry. Generally, European and North American botanical roses bloom only once during the year, while some Asian species are re-flowering until winter: hybrids and horticultural varieties obtained from various crosses between Asian species and other species are generally re-flowering , and produce flowers from April until the cold winter. Roses are certainly among the most appreciated flowers in gardens and count numerous associations of enthusiasts; the beauty of the flowers and the ease of cultivation are certainly the characteristics that make roses so attractive, even for beginners.
most species and varieties of roses need very sunny or semi-shady locations, with at least 4-6 hours of direct sunlight per day; particularly shady conditions cause poor flowering. However, there are varieties that particularly love shade. The acapella roses do not fear the cold, more easily they fear the great summer heat, which often causes a short period of vegetative rest, without blooms.
newly planted plants, in autumn or late winter, need to be watered by wetting the soil in depth; during the months from November to April they are generally satisfied with the rains; during long periods of drought they need fairly regular watering, always waiting for the soil to dry. During the hottest months of the year they should be watered occasionally, with copious amounts of water; the suspension of watering in July and August can bring the plants to a period of vegetative rest, free of blooms.
It is advisable to place the new acapella rose plants in the ground where no other roses have been previously planted, generally a good balanced universal soil is used, mixed with a little manure and with good garden soil. In autumn it spreads around the plants of mature organic fertilizer, in June it is possible to apply a fertilizer based on organic fertilizer or a slow-release chemical fertilizer, specific for flowering plants. Specimens grown in a container usually need every 3-4 years to replace all the soil in the pot.
The multiplication takes place by seed, in spring; generally the varieties of modern acapella roses are cultivated by grafting them on botanical species, so to propagate them maintaining the peculiar characteristics of the plants it is necessary to practice cuttings, in late summer.
The adversities of the rose
The Rose is considered the queen of flowers, and has been cultivated since ancient times all over the globe not only for ornamental purposes for the flower or berries (rose hips) that derive from fertilization, but also for the extraction of aromatic oils and essences for cosmetic and pharmaceutical industry.
The botanical species are about 250, while the cultivated ones, deriving from various selections and hybridization, are innumerable, given that, every year, hundreds of new varieties are formed all over the world.
Generally the ancient roses, or rather the wild spontaneous ones, are robust and therefore refractory to the various parasites, while those cultivated or hybridized are very sensitive to the environment and to the relative adversities.
The main reason why almost all the current selections are grafted, is precisely inherent in the fact that the rootstock or wild or rustic foot, then gives the grafted part (cultivated for the flower) greater vigor and resistance in general.
Adversity and care
To simplify the various problems that damage Acapella roses, the different causes can be grouped into: environmental pathologies, fungal parasites, insect and animal damage.
Non-parasitic diseases: nutritional or environmental
All roses need to be neutral or sub-acidic, rich in fertilizing elements, organic matter in order to live and flourish regularly, and must be well drained from a structural point of view.
The lack of a soil suitable for cultivation and lack of nutrients causes a general deterioration of the Rose plant, with manifestations of poor flowering and leaf yellowing.
Other "environmental" causes are the scarcity of light, pollution, thermal stresses, but also excess salinity in water, soil or unsuitable soils, and other accidental or involuntary, such as transplantation.
Roses can show specific leaf bleaching depending on the type of nutrient they lack:
- Generalized discoloration of the plant and more pronounced yellowing in the basal areas. Stunted vegetation with poor flowering and color-washed flowers. Nitrogen
- Bronze-violaceous coloring of the leaves, poor growth and floral branches that curve to S Phosphorus
-Dissuits at the edge of the leaves that can be curved into U-shaped flowers have poor color and are small in size. Potassium
- The basal leaves turn yellow in the area of the central rib and quickly dry up with their early detachment. Magnesium
- The leaves become opaque and fold down. The plates mainly dry on the margins and on the apex. Football
- Progressive yellowing from the apexes to the bottom of the plant with leaf desiccation. No or very poor flowering. Iron
Parasitic diseases due to fungi
One of the most frequent problems with roses is the proliferation of fungal or cryptogamic diseases, more commonly called "mold" due to the appearance of their fruiting that generally covers the plant attached.
These pathogens, if not fought for time, can quickly destroy all flowers and plants.
They are favored by humid or rainy climatic conditions, and afflict more Rose with nutritional deficiencies.
- Dry of the stems, cancer of the branches and fissures
On the stems and on the branches appear depressed red-violet areas that later dry up with the split of the bark.
- Basal or collar rot
The young plants show browning and rotting at the collar. The plant first turns yellow then dries quickly.
- Oidium or white mal
White felted spots appear on leaves, flowers and apices of branches. The flowers do not hatch or wither.
- Mold of leaves and buds
On leaves and flowers, gray ashen molds appear which later rot.
On the underside of the leaves appear yellowish brown pustules that can become powdery. Affected organs dry up
On the upper page of the leaves appear yellowish areas, while on the lower page in correspondence of these appears a white mold.
On the leaves appear blackish or violet confluent spots. The affected leaves quickly dry up and fall off quickly stripping the whole plant.
Rose Acapella: Insects or animal pests that affect roses
Roses are easily attacked by various types of insects that can present chewing or sucking mouthparts and damage occurs on the entire plant, with particular preference to the flower because it is more tender, sweet and juicy.
- Aphids or Lice
The most feared category of insects is given by suckers like aphids because in addition to the direct damage caused by the removal of lymph and the transmission of viral forms, it is combined with the production of the unaesthetic honeydew with an appeal to ants and the subsequent formation of "fumaggini".
They cover all the young parts of the plant and bring it to rapid withering due to sap removal.
- Tentredini and Larve
They can be of various types: from caterpillars or larvae of green or yellow lepidoptera, to adult insects like beetles. They eat leaves, flowers or shoots.
They suck the sap like aphids, they differ in being almost immobile and they live protected by white or pinkish-yellow waxy badges.
- Larvae of Lepidopteran Miners
They are microlepidopteran larvae that "undermine" the green area of the leaf, leaving the cuticle intact. The leaves dry and fall.
They are sucking little butterflies that prick young leaves or shoots. The affected organs present curl up with silvery colors
- Acari or Ragnetti rossi
They are tiny spiders that they cause with their bites on the yellowing leaves that later completely dry up. They are very mobile and when they attack the plant massively they also produce small cobwebs
- Terricolous larvae and centipedes
They belong to various orders of insects from lepidopterans to beetles or elaterids. They damage the roots and lower parts of plants.
Watch the video
Pink rose com
We have learned that there is a language of flowers, it is inherent in the type of flower that we give or receive,
visit: pink rose com