Alphonse Lavallée Nera (10 pieces)

Code: BAP0007.10
Brand: Polsinelli
€ 26.36
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Description

AUTHORIZED RETAILER

Barbatella Alphonse Lavallée (10 pieces)

Rootstocks: 1103P - K5BB - S04 - 140RU - 420A (Will be sent the graft carrier available at the time)

Obtained in France in the last century by a nurserywoman, apparently by crossing Bellino x Lady DownesSeedling. Also known as Ribier, especially in California.

Ampelographic characteristics: bud with expanded apex, slightly tomentose, whitish-green with carmine edge, slightly bent apical leaflets, light green with slight tomentum. Leaves are medium to large, pentagonal, tri-quelobed, leaf blade dark green, dull, slightly blistered, thick. Petiolar sinus U-V, slightly open or closed. Cluster: medium-large, cylindrical-conical, winged, fairly widely spaced. Berry: medium-large, rather spherical, uniformly dark blue in colour, pruinose and fairly firm skin; flesh: moderately crunchy and juicy with a simple, sweet, pleasant flavour.

Cultivation and pruning: adapts to various forms of cultivation as long as they are expanded, preferring the "tendone", "pergola" and "spalliera" systems, including spurred cordon.

Sensitivity to disease and adversity: sensitive to powdery mildew and scabies and normally sensitive to other diseases and parasites. Evidences incompatibility phenomena if grafted onto Kober 5BB.

Overall assessment: good resistance to transport and fair resistance to storage. It is fairly well accepted in domestic and foreign markets due to its uniform colour, crunchy flesh and small bunch. The presence of a high number of seeds does not allow a higher level of consumer satisfaction.

Phenological and agronomic characteristics:

  • Sprouting time: medium.
  • Ripening time: medium-late.
  • Vigour: good.
  • Real fertility: 1.50.
  • Production: high.
  • Cluster weight: 400-500 g.
  • Berry weight: 7-9 g.
  • Grape seeds: 3.1 per berry.
  • Sugar content: 13-14%.
  • Total acidity: 5‰.
  • PH: 3.35.
  • Resistance to transport: high.

Clones in multiplication: Alphonse Lavallée Inra-Entav 319

CULTIVATED AREA IN ITALY
YEAR 1990 2000 2010
HECTARES 877 218

RULES TO PLANT A VINEYARD

1. PLOW

You must perform this operation always with dry soil
A) On arable land is generally sufficient to ripper + to plow
B) On planting soil is generally sufficient to plow with an escavator and to clean the old roots.
If the previous crop was a vineyard, it is a good idea to leave the soil fallow for at least three years (after plowing). This procedure represents a valid possibility of defence against soil nematodes.

2. SOIL FERTILIZATION
Use organics and if it is a reimplantation, use Calciumocyanamide.
This fertiliser has a protective effect on the soil and the crop, especially against fungi.

3.PROPAGATING GRAPE VINE CUTTINGS
The planting should be carried out in temperate soil. The grafting point should be 8-10 cm above ground. Avoid shaving the redices. As much as possible, put sand and/or peat in contact with the roots (the root fears asphyxiation, while it needs a micro-oxygenation). Never fertilize in a localized manner (near the roots). Never water the rooted cuttings before summer.

4.SPRING WORKS
When sprouting, the root apparatus must be heated as soon as possible. Work the soil repeatedly every 7/10 days at increasing depth (up to 20 cm), taking into account the moisture of the soil. When the apex of the bud starts to grow, it means that the root system is functioning. Only then can we stop watering the soil. Failure to grow due to access to water is often confused with a lack of water. This is why watering is used which is expensive, useless or even worse.

5.SPRING CURE
Protect vegetation from Peronospora. To each treatment add nitrogen (N) and iron (Fe) foliar fertilizer. Do not make any radical fertilization.

6.SUMMER CURE
Continue with the defense against Peronospora by suspending the addition of the foliar fertilizer. This defense should be reinforced in late summer and should be continued until vegetation growth stops.
The September/October blight is destructive, to the point of bringing death to the whole plant (if it has not lignified). The rooted vine lacks clusters, so lignification occurs at the end of the vegetative cycle.

7.TECHNICAL VISIT
If incomprehensible anomalies persist after this procedure, contact an agronomist or the VCR Technical Service promptly before carrying out arbitrary procedures which may be unsuitable, expensive and/or worsening.

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