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Sauvignon Kretos

Grapevine

Denomination: 'Sauvignon Kretos'
Botanical Name: Vitis vinifera
Applicant/Holder: Istituto Di Genomica Applicata
Via Jacopo Linussia 51
Udine
33100
Italy
Tel: 39 0432 62991

Università degli Studi di Udine
Via Palladio 8
Udine
33100
Italy
Tel: 39 0432 556111
Breeder: Simone Diego Castellarin, Vancouver, British Columbia
Guido Cipriani, Faedis UD, Italy
Gabriele Di Gaspero, Cividale del Friuli UD, Italy
Enrico Peterlunger, Codroipo UD, Italy
Michele Morgante, Tricesimo UD, Italy
Raffaele Testolin, Udine UD, Italy
Agent in Canada: Bereskin & Parr
Box 401, 40 King Street West
Toronto, Ontario
M5H 3Y2
Canada
Tel: 416-364-7311
Application Date: 2015-02-13
Provisional Protection:: 2016-02-11
Application Number: 16-8819
Grant of Rights Date: 2020-12-14
Certificate Number: 6336
Grant of Rights Termination Date: 2045-12-14

Variety Description

Varieties used for comparison: 'Kanzler', 'Nobling', 'Lilla' and 'Perrantraube'

Summary: The prostrate hairs on the tip of the young shoot of 'Sauvignon Kretos' are sparse while those of 'Nobling' are absent or very sparse. The dorsal side of the internodes and nodes of 'Sauvignon Kretos' are green and red while those of 'Kanzler' are green and those of 'Perrantraube' are red. The mature leaf blade of 'Sauvignon Kretos' has three lobes while that of 'Nobling' has five lobes. The upper lateral sinuses of the mature leaf of 'Sauvignon Kretos' are shallow while those of 'Nobling' are of medium depth. The upper side of the mature leaf blade of 'Sauvignon Kretos' has an absent or very low proportion of main veins with anthocyanin colouration while that of 'Perrantraube' has a low proportion of main veins with anthocyanin colouration. The berry bunch of 'Sauvignon Kretos' is medium sized while that of 'Lilla' is large. The berry of 'Sauvignon Kretos' is small to medium sized while it is large for that of 'Lilla'. The berry of 'Sauvignon Kretos' is globose while it is obloid for that of 'Lilla'.

Description:

YOUNG SHOOT TIP: fully opened, sparse prostrate hairs, absent or very weak intensity of anthocyanin colouration of prostrate hairs, absent or very sparse erect hairs
SHOOT: dorsal and ventral sides of internodes and nodes are green and red, absent or very sparse erect hairs on internodes, erect to semi-erect attitude (before tying)
WOODY SHOOTS: orange brown, absent or very sparse erect hairs on internodes, early to mid-season bud burst
TENDRILS: medium to long

PETIOLE: equally as long as middle vein of mature leaf blade
YOUNG LEAF BLADE: upper side light copper red, absent or very sparse prostrate and erect hairs between and on main veins on lower side
MATURE LEAF BLADE: three lobes, medium sized, circular, weak to medium degree of blistering on upper side, closed arrangement of lobes of petiole sinus, absent or very low proportion of main veins on upper side with anthocyanin colouration
MATURE LEAF BLADE (LOWER SIDE): absent to very sparse prostrate hairs between main veins, absent or very sparse erect hairs on main veins
UPPER LATERAL SINUSES: shallow, slightly overlapped lobes
TEETH OF LEAF MARGIN: medium length, small to medium length to width ratio, mixture of both sides straight and convex

FLOWER: hermaphrodite type

BERRY BUNCH: medium sized, medium to dense, medium to long peduncle of primary bunch
BERRY: begins ripening early to mid-season, small to medium sized, globose, moderately easy to detach from pedicel, flavour is other than muscat, foxy or herbaceous, seed formation complete
BERRY SKIN: yellow green (without bloom), thin
BERRY FLESH: moderately firm, absent or very weak intensity of anthocyanin colouration

Origin & Breeding History: 'Sauvignon Kretos' originated from a controlled cross conducted between the female parent variety 'Sauvignon' and the male parent variety '20/3' made by the University of Udine and the Institute for Applied Genomics in Udine, Friuli Venezia Giulia Region of Italy in June 2002. The controlled cross was conducted using cluster isolation and flower emasculation in the seed parent and cluster isolation in the pollen donor prior to flowering. The first asexual multiplication occurred in 2005. The resulting seedling was selected at the Servadei experimental farm in Udine, Italy based on resistance to mildew, tolerance to Oidium, medium vigour, chemical composition of the berries, wine quality and grafting affinity. 'Sauvignon Kretos' was selected and designated in 2010. The genetic identity of the seedling was verified by DNA microsatellite markers. From 2011 to 2013, the variety was evaluated in production plots of 25 or 100 individuals in two ecologically different sites, Udine and Fossalon Grado, on rootstocks 1103 Paulsen and Kober 5BB.

Tests & Trials: The detailed description of 'Sauvignon Kretos' is based on the UPOV report of Technical Examination, application number 20150368, purchased from the Community Plant Variety Office in Angers, France. The trials were conducted at the Bundessortenamt in Hannover, Germany from 2017 to 2018.

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Sauvignon Kretos
Grapevine: 'Sauvignon Kretos'

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Sauvignon Kretos
Grapevine: 'Sauvignon Kretos'

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Sauvignon Kretos
Grapevine: 'Sauvignon Kretos'

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