Tag genetic improvement

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The genetic improvement of the grapevine

The genetic improvement of the vine has two sides: the one concerns table grapes, the other one concerns wine grapes. In the first case, traditional genetic improvement, based on crossbreed and selection, has been intense and has led to the spectacular enrichment of the varietal landscape. In the se…

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Genetic improvement

Il sequenziamento completo del genoma è stato raggiunto nel 2007 e il team udinese è arrivato alla ribalta della scena scientifica mondiale. Una volta svelati i segreti della costituzione genetica della vite, ci si è potuto concentrare sull'analisi funzionale sistematica dei geni che consente di …

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Genetic improvement and innovations for the enhancement of citrus fruit products

Al pari di altre colture da alto reddito, il comparto agrumicolo necessita di un costante flusso di innovazione che possa mantenere livelli di competitività adeguati a sostenere le sfide determinate dalle mutate condizioni climatiche, fitopatologiche e di mercato. In quest' ottica, il  Parco Scie…

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The genetic improvement of grapevine in Europe

To be honest, crossing programs and selection of the grapevine varieties for disease resistance began in Europe in the second half of the nineteenth century following the introduction of the New World by three pathogens - phylloxera, vine downy mildew and powdery mildew - which had devastated v…

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The market and future prospects

Ten selections - 5 white berries and 5 red berries - were registered officially in 2015. Too many, someone will say. We say no, considering three aspects: the diversity of genetic backgrounds due to the use of different parents, the opportunity to leave the market the right to select the best varie…

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Evaluation of resistance, agronomic and oenological evaluation

The evaluation mainly concerned resistance to downy mildew and, secondly, resistance to grey mildew. Two genes for dendritic downy mildew resistance and two genes for grey mildew resistance were worked out. In the early years, the selection of downy mildew resistant varieties was based on field obse…

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Crossing plans and selection activity

The plan initially included the crossing of some internationally renowned varieties such as Chardonnay, Sauvignon, Merlot, Cabernet Sauvignon,  national ones such as Sangiovese and local varieties such as the Friulian Tocai (today 'Friulano'), on one hand, and a series of varieties and advanced sel…

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The sources of resistance

With regard to the two fungal diseases considered (downy mildew and powdery mildew), the sources of resistance reported in the literature are numerous. The Udine group has so far worked with two monogenic downy mildew resistances (Rpv3, Rpv12), originating respectively from American and Asian specie…

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First vine varieties resistant to diseases produced in Italy

They are ten: five white berries - Fleurta, Soreli, Sauvignon Kretos, Sauvignon Nepis, Sauvignon Rytos - and five red berries - Cabernet Eidos, Cabernet Volos, Merlot Khorus, Merlot Kanthus, Julius, the first disease-resistant grapevines variety, produced in Italy by researchers from the U…

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