5,085 research outputs found
Contro la funzionalizzazione della contrattazione collettiva. Riflessioni sul pensiero di Mario Rusciano
No full textL'autore riflette sul pensiero di Mario Rusciano in punto di funzionalizzazione della contrattazione collettiva.The author reflects on the thought of Mario Rusciano in relation to the subject of the functionalisation of collective bargaining
Low-pressure selection for new grape crossings ('Riesling italico' × 'Pinot noir'; 'Riesling italico' × 'Chardonnay')
No full textA breeding programme by intra-specific crossing was set up in 1989, in the experimental Station "Riccagioia" (Lombardia region, north-west Italy), with the aim of getting new varieties mainly for white sparkling wine. V. vinifera L. 'Riesling italico' was used as the female parent, while cv. 'Pinot noir' and cv. 'Chardonnay' were used as males, resulting in two progenies (designated RPN and RCH). 900 and 400 seedlings were obtained from RPN and RCH crossings respectively, and a low-pressure field selection was performed, choosing 50 individuals out of the 1,300, by utilizing as screening criteria vegetative habit, phenology, ripening and health aspects. The selected seedlings were grafted on SO4 rootstock, and the productivity and qualitative grape parameters of the field-grown vines were checked over a 4-year-period (2002- 2005) by multifactorial analysis of variance (MANOVA) and SNK (Student Newman Keuls). DNA fingerprinting (by microsatellite) of the progenies and the parent varieties was performed as well, confirming the parentage. Grapes were vinified at harvest, and the wines were evaluated according to sensory analysis, by processing the main descriptors by the non parametric Friedman test. According to the above mentioned parameters, three new varieties were selected, as follows: RCH10 and RPN33 (both white berry) and RPN26 (red berry), due to a good canopy (RCH10), high acidity and sugar and very low cluster and berry weight (RPN26). RCH10 and RPN33 are interesting for sparkling wine because of the white color, the wider sensorial profile and the highest pleasure indices, as compared to the parents (cv. 'Riesling italico' and cv. 'Pinot noir'). RPN 26 has an unexpected later ripening and a wine color intensity much higher than 'Pinot noir', being suitable for the production of red wines; according to the high-pressure selection tightly connected with the objectives of this breeding program, this genotype would have been excluded in the first step of the selection procedure
Tre nuove varietà selezionate per basi spumanti
No full textIncrociando Riesling Italico con Chardonnay e con Pinot nero sono state individuate 3 nuove possibili varietà interessanti per produrre spumanti, segmento enologico importante in Lombardi
Fosfiti le due facce della medaglia. Una recente ricerca dimostra l'influsso positivo sulla pianta e sulla qualità delle produzioni.
No full textNutritional deficiencies
No full textFourteen mineral elements are considered essential for higher plant growth; these elements include 6 macronutrients (N, P, K, Ca, Mg, S) and 8 trace elements (Fe, Mn, Zn, Cu, Cl, B, Mo, Ni). The physiological role of each element is described, as well as the deficiency symptoms and the methods to prevent or cure the nutritional disorders. Leaf blade and/or petiole chemical analysis is an important tool to assess the nutritional status of the plant and the methodology to perform the leaf sampling is described as well as the optimum concentrations of each element. The effect of the grape variety, rootstock and environmental conditions on mineral nutrition is described, as well as the amount of element uptake in the vineyard, which is crucial for fertilizer recommendation
Ricerche sperimentali su sanità e variabilità dei caratteri viticoli. Croatina, Uva rara e Ughetta di Canneto, nuovi cloni selezionati in Lombardia.
No full textNutrire la vite e combattere i giallumi tutto in uno. I risultati nel vigneto ed i meccanismi da chiarire.
No full textPrimi risultati del programma di incroci intraspecifici. Tre nuove varietà selezionate per basi spumante.
No full textRicerche circa gli effetti nutrizionali e sanitari su vite di formulati per irrorazione fogliare a base di miscele con microrganismi.
No full textAbstract: in order to verify the effect on vine yield performances of leaves treatments conduced with a solution with microorganisms (bacteria photossynthetic and lactic bacteria, leaven) prepared in addiction with some vegetal and mineral substances (farina de rocca) (EM Bio-nrg s.r.l.), of which bio - stimulation effects have already been described, this trial confronts common and new spray treatments. In this experiment the solution EM was tested, from 2007 to 2009, in comparison with other leaves treatment based on cover and penetrating fungicides commonly used. The vines treated with the microorganisms-vegetal-mineral mixture (from 7 to 9 times during the vegetative season) have constantly shown a significant increase of leaves Fe, photosynthesis (SPAD measures) and productivity (yield/vine and quantity of sugar/vine). The reduction of downy mildew attack, also appreciable, was unsatisfactory when employing only the EM solution, but became satisfactory with the addition of low doses of copper to this solution
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