Grapevine named ‘SV30-14-12’

Abstract

A new and distinct variety of grapevine plant named SV30-14-12 particularly characterized by its ellipsoidal shaped, dark red to reddish black berries which are very large, sweet and have crisp texture. Productivity is very high with shoots producing one or two clusters on spur pruned vines. Flower clusters generally require some hand thinning to produce clusters which are not overly compact.

Claims

1. A new and distinct variety of grapevine plant named SV30-14-12, and parts thereof, substantially as illustrated and described herein.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) This new grapevine is illustrated by the accompanying photographs which show fruit clusters, leaves, canes, and tendrils. The colors shown are as true as can be reasonably obtained by conventional photographic procedures. The photographs were taken in 2016 from a plant about 5 years-old, grown in a field near McFarland, Calif.

(2) FIG. 1 Natural fruit cluster and cluster sprayed with gibberellic acid with shoots, leaves, tendrils and shoot tips.

(3) FIG. 2 Fruit clusters on vine sprayed with gibberellic acid and trunk girdled.

DETAILED BOTANICAL DESCRIPTION

(4) The following detailed description sets forth the distinctive characteristics of SV30-14-12. Descriptions of the new invention apply to vines of grapevine named SV30-14-12 grown on Freedom rootstock at a density of 1,537 vines per hectare grown near McFarland, Calif. in 2017. These vines were in their fifth year of full production, having been planted in 2012. These descriptions are believed to apply generally to the new variety grown under similar circumstances elsewhere. References to color correspond to The Royal Horticultural Society's Colour Chart, The Royal Horticultural Society, London, United Kingdom. Descriptors used herein conform to those set forth by the International Board for Plant Genetic Resources Institute Grape Descriptors (Vitis spp.) of 1983 and/or 1997 which were developed in collaboration with the Office Interantional de la Vigne et du Vin (OIV) and the International Union for the Protection of New Varieties of Plants (UPOV) and published in Descriptors for Grapevine (Vitis spp.) (Anonymous, International Plant Genetic Resources Institute, 1997, ISBN 92-9043-352-3). Classification: Family.Vitaceae. Botanical name.Vitis vinifera. Variety name.SV30-14-12. Plant: Vigor.Medium; vines spur-pruned and shoot thinned to 32 shoots. Density of foliage.Moderate. Productivity.Very productive when spur pruned, up to 32,000 kg/hectare. Hardiness.Hardiness observed to 0 C. Rootstock.Freedom (unpatented). Trunk: Shape.Broadly elliptical. Straps.Long, split. Surface texture.Shaggy. Trunk circumference.24.6 cm at 1.0 m of height. Inner bark color.RHS Greyed orange group 174C. Outer bark color.RHS Brown group N200B. Mature leaves: Average blade length.15.2 cm. Average blade width.18.6 cm. Size of blade.Large. Shape.Pentagonal. Anthocyanin coloration of main veins on the upper side of the blade.Absent. Mature leaf profile.Undulating, cupped upwards and flattened within plane of blade. Blistering (upper surface).Absent. Leaf blade tip.In plane of blade. Margins.Lobed, serrated, undulating. Apex.Narrowly acute. Bases.Sagittate. Thickness.Medium. Undulation of blade between main and lateral veins.Slight. Shape of teeth.Broadly conical, both sides convex. Length of teeth.3-9 mm. Ratio length/width of teeth.About 1:1. General shape of petiole sinus.Half open. Tooth at petiole sinus.Absent. Petiole sinus limited by veins.Absent. Shape of upper lateral sinus.Closed. Prostrate hairs between veins (lower surface).Absent. Erect hairs between veins (lower surface).Absent. Prostrate hairs on main veins (lower surface).Absent. Density of erect hairs on main veins (lower surface).Moderate, limited to junctions of main veins. Prostrate hairs on main veins (upper surface).Absent. Upper surface.Summer color: RHS Green group 137A. Surface texture: Smooth. Surface appearance: Dull. Goffering of blade: Absent. Lower surface.Summer color: RHS Green group 138A. Anthocyanin coloration of main veins on lower leaf surface: Absent. Anthocyanin coloration on laterals: No. Glossiness: Low. Pubescence: Absent. Surface texture: Rough. Surface appearance: Dull. Petiole.Length: 11.8 cm. Length of petiole compared to middle vein: Slightly shorter. Density of prostrate hairs: Absent. Density of erect hairs: Absent. Shape of base of petiole sinus: Half open. Color.RHS Yellow green group 144C. Tendrils: Color.In shade: RHS Yellow green group 150B. In sun: RHS Yellow green group 144B. Growing tips (young shoot): Pubescence.Sparse, prostrate. Color.RHS Yellow Green Group 144C. Anthocyanins.Absent. Shape.Flattened. Apex.Open. Shoot attitude.Semi-erect. Flowers: Flower sex.Perfect. Position of first flowering nodes.Usually on node 4. Number of inflorescences per shoot.One or two on nodes 4 and 5. Date of full bloom: May 6th. Fruit: Ripening period.Mid-season. Date of ripening.August 29th at McFarland, Calif. Particular flavor.Neutral Vitis vinifera. Use.Fresh market. Keeping quality.Good. Shipping quality.Good. Date of first harvest.August 29th. Solids-sugar.17 brix at full maturity. Refractometer test.17.0 brix. Bunch.Size: Medium. Length (peduncle excluded): 23.5 cm. Width: 13.5 cm. Weight: Natural, without gibberellic acid treatment: 541 g. Density: Well-filled to compact. Number of berries: 61. Form: Cylindrical with no pronounced shoulder. Peduncle.Length: 3.2 cm. Lignification: Medium. Color: RHS Yellow green group 144B. Berry.Size: Large. Uniformity of size: Uniform. Weight. Natural, without gibberellic acid treatment: About 8.7 g. Shape: Ellipsoidal. Presence of seeds: Seedless; most berries develop one or two tiny ovule traces less than 1 mm in length. Cross section: Circular. Dimensions: Longitudinal axis: About 3.0 cm. Horizontal axis: About 2.0 cm. Skin color (without bloom): RHS Red Purple Group 61B to black where exposed to direct sunlight. Juiciness of flesh: Very juicy. Berry firmness: Very firm. Particular flavor: Neutral, typical vinifera. Bloom (cuticular wax): Heavy. Pedicel length: About 8.7 mm. Berry separation from pedicel: Moderately easy. Skin.Thickness: Medium. Texture: Tender. Reticulation: Absent. Roughness: Absent. Tenacity: Tenacious to flesh. Tendency to crack: Resistant. Disease and insect resistance: Moderately susceptible to powdery mildew which may be controlled with standard fungicides in California.