Raspberry – Rubus Idaeus
Raspberry – Rubus Idaeus

Raspberry – Rubus Idaeus

Along the country roads, in the woods in the hills and in the mountains, in uncultivated areas, it is very easy to find thin sarmentose stems, covered with soft thorns that in summer periods end with clusters of very tasty red small berries: we are in front of the wild raspberry. Struck by their flavor, botanists and hybridizers from wild shrub have managed to select exceptional varieties with much larger and tastier fruits. Originating in continental Europe and Asia Minor, raspberry, in its various species, is now widespread in all temperate areas of the continent; this generous, deciduous, perennial, cold-resistant sarmentose shrub gives us its fruits without requiring much attention. The raspberry plant is formed by many biennial suckers, even two meters long, those of the year are erect and simple, those of the previous year are curved, flexible and branched, they are born from the roots allowing the renewal of the plant and its continuous vigorous expansion.

TERRAIN

It prefers cool places with soils rich in organic matter, soft, sub-acids (ph 6.00 / 6.50 with tolerance limit 5.00 / 7.50, they love the sun, even if it would be better if the lower part of the plant is sheltered from direct rays.

FLORA AND FRUIT

On the tops of the branches there are many white, self-pollinating flowers, gathered in racemes (bunches). Flowering is scaled and lasts for almost two months and will result in the formation of tasty fruits whose ripening is also very delayed and will last for over a month. Contrary to what we think, what we harvest from the plant is not the real fruit of the raspberry, but the set of small fruits (drupes) which, aggregated together, make up what we consider the fruit: this set of drupes is called blackberry. There are two specific varieties of raspberries: the unifere, which produce only once a year at the end of spring mainly on the branches of the previous year, and the bifere, or reflowering, which also produce them at the end of spring on the branches of the year previous, but also on suckers of the year in late summer. There are many varieties of raspberries on the market which are characterized not only by the fruiting period, but also by the destination of the fruits ranging from fresh consumption, to pastry, to the confectionery processing industry (jams, jellies, syrups, etc.). , to deep freezing (to which they lend themselves a lot). There are also two colors that the fruits can have: the classic raspberry color, more or less intense, with the classic flavor with a sour background, and amber yellow, slightly smaller but very sweet and not affected by the acid component. . The production per plant of raspberry fruits is not very high, 1.00 / 1.20 kg, but considering the high plant density, 10/14 plants per 10 square meters, and the high market demand, its cultivation is between the most profitable. It should be remembered that the collaborators of the PRANDINI nurseries are available for advice on plant density, training system, crop choice and also phytosanitary assistance for new production plants, even of modest size.

Varietà di lampone coltivate dai vivai Prandini

  • BLACK RASPBERRY – black
  • GOLDyellow
  • ROSSANAred flowering
  • ROSSOred flowering
  • TULAMEENred

USE AND HEALTH GIVING PROPERTIES

The raspberry, as with all summer fruits, have notable nutritional properties: antocianis, pectin, mineral salts, (magnesio, potassium, sodio phosphorus and calcium), vitamin C and K, the latter mentioned is very for skeleton strengthening and the coagulation of blood, and vitamins from group B.
Most important the presence of folic acid, vitamin B9, a substance not produced by our organism, but is digested only through food and very important for pregnant women.
For its fructose content, the fruit of the raspberry can be eaten even by those suffering from diabetes.

POTTING PRUNING AND CULTIVATION

Potting the two types of raspberry is diverse.

From the unifere variety, remove the shoots in winter which have fruited and thin the year’s suckers and trim what is left to 1.00/1.50 metres.
The reflowering, or bifere, can be cut down to zero if you want to take advantage of a single production in late Summer, which is the best, or you trim and thin the suckers which have fruited.
It loves rich and soft soil, An abundant fertilization with well matured manure to the implant is sufficient to improve the development of the plant.
The mulching of leaves or similar contributes to maintaining the soil soft and almost totally eliminates the growth of weeds.
Modest irrigation in that the rain is normally a sufficient quantity of water for the plants needs. Only in the case of dryness or fruit picking is it opportune to intervene.
Important: Never irrigate with a shower action in that the fruit can facilitate the formation of rot (Botrytis cinerea, grey mould).
Parasites are few and far between: apart from grey mould, rarely cases of rust, while among the parasites, apart from the Sesia which can cause damage, also the bollworm, a small black insect, with a minute head and a very pronounced abdomen which gnaws the base of the flower stalks causing the flowers to dry out.

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