Among all the clones created in the Thirties by Mr. Luigi Manzoni, Principal of the Viticulture and Enology School in Conegliano, the one that has reached excellent performances is surely Manzoni Bianco 6.013, a cross between Riesling Renano and White Pinot vines, known also as Incrocio Manzoni 6.0.13.
This vine was created for our land and climate and therefore it is here that it can give excellent results, even if it is actually cultivated almost everywhere in Italy; it is included among the wines blend of Controlled Appellation of Origin area Bianco dei Colli di Conegliano, Breganze Bianco and Trentino Bianco, as well as in several wines with Typical Geographical Indication (I.G.T. is the acronym designates the geographical name utilised to mark a wine).
Manzoni Bianco, well known also as Incrocio Manzoni 6.0.13 or I.M. 6.0.13, is an autochthonous grape characterized for its low production and its extraordinary adaptation ability to different soils and microclimates; despite it prefers hilly, wet, not hard and fertile grounds.
It buds early and blossoms and matures quite precociously, it has a modest production and its bunch is little, cone-shaped or cylindrical and quite dense (80-150 gr.); the grape is small, rounded, green-yellow and its skin is thick, dense and aromatic.
Thanks to its elegance, good alcoholic strength and acidity, it is often utilized for producing quality wines, both blended or in purity: after its vinification we can taste a straw yellow with generous pale green highlights wine, with the unique elegance of Pinot Bianco and the exquisite aromatic notes of Riesling Renano.
Research and Experimentation
Since March 2007 Manzoni Bianco has been considered one of the autochthonous of Area DOC Piave (together with Raboso Piave and Verduzzo) and inserted into an important project of zonation, promoted by Consortium for the Protection of Piave DOC wines in association with the Experimental Institute for Viticulture of Conegliano and coordinated by Veneto Agricoltura.
This project of viticultural and oenological zonation of Piave DOC wines will involve the area during the next 4 years analysing 120 representative vineyards of this area, and aims at individuating the characteristics of different soils according to the clone and wine varieties.
The projects would determine the interaction between vines and environment which are able to give the best results in terms of quality and in relation to market. It represents an essential element in the strategy of qualification of wine productions of Piave Area, giving an identity to products through a weighty viticulture in this prestigious area.
Also our vinery, since the beginning engaged to promote the distinctiveness of productive territory of Piave Area characterized for its high wine vocation, is actively involved into this important research to bring out the potentiality of our autochthonous grape, and especially ofManzoni Bianco or Manzoni 6.0.13.
Beginning from next harvest 2009, Manzoni Bianco will be identified with DOC (Controlled Appellation of Origin), according to the new Disciplinary of National Commission.
Prof. Luigi Manzoni, graduated at faculty of Agricolture of Pisa, was nominated headmaster ofSchool for Viticulture and oenology of Conegliano Veneto, the first oenological school in Italy, founded in 1876.
Luigi Manzoni (1888-1968) got his degree at faculty of Agricolture of Pisa in 1912 and then the 1st of November of that year had been engaged as researcher by the School for Viticulture and oenology of Conegliano and held the chair of Science and vegetative pathologies. In 1933 he had been nominated headmaster until 1958 and thanks to his will the school had been re-opened after the end of Second World War.
Luigi Manzoni was not only an excellent teacher, but also an important researcher and experimenter as testified by 70 publications, especially concerning the vines’ anatomy and their witer requirements together with A.Puppo.
He had also been elected Mayor of Conegliano from Dicember 1946 to February 1949.
In Europe, since the middle of Nineteenth Century, due to the arrival of several new vine’s diseases favoured by the commercial relationship between New and Old continent, the viticulture had registered a considerable period of crisis. Therefore had been necessary a vine’s genetic improvement trough crossing and hybridizing, also thanks to Mendel genetics’ studies initially to obtain new table grape’s varieties and then for wine grapes, with the first experiments of Prof. Muller who got the famous Muller Thurgau from a cross.
In Italy this research about wine grapes began on 1924 thanks to Prof. Manzoni who, together with Prof. Dalmasso, had planned a series of crosses utilizing international varieties with autochthonous grapes within 1924 -1930 and 1930-1935 to obtain one new red and white grapes.
The crosses made in the first period are characterized by 2 numbers which differentiates the wine from the several hybrids made by Mr Manzoni and they derive from the exact position in the vineyard it was obtained from, while those made in the second part of research are characterized by the same numeration including also number 0: so 6.0.13 means the thirteenth vine in the sixth row.
Since Forties had began the diffusion of new varieties, rosè grape Trebbiano x Traminer 1.50, red grape Prosecco x Cabernet Sauvignon 2.15 and white grape Riesling Renano x Pinot Bianco named Incrocio Manzoni 6.0.13, known also as Manzoni Bianco