Sweet cherry tree named ‘IFG Cher-seven’

Abstract

This invention is a new and distinct sweet cherry tree variety denominated IFG Cher-seven. The new sweet cherry tree is characterized by producing large size dark red fruits having reniform shape and ripening in mid-season. The eating quality remains good after 40 days of cold storage. The fruit stems of IFG Cher-seven remain green, have fresh appearance and have excellent attachment after 40 days of storage.

Claims

1. A new and distinct variety of sweet cherry tree as herein illustrated and described.

Description

BRIEF DESCRIPTION OF THE DRAWING

(1) The accompanying photographic illustration in FIG. 1 illustrates in full color IFG Cher-seven taken from a 9-year old tree. The photograph was taken outdoors with indirect lighting. The colors are as nearly true as is reasonably possible in a color representation of this type.

(2) An actively growing shoot tip can be seen in the upper portion of the drawing.

(3) Typical mature fruit, fruit in cross section and cleaned and dried fruit pits are displayed in the lower half of the drawing.

DETAILED BOTANICAL DESCRIPTION OF THE INVENTION

(4) Throughout this specification, color names beginning with a small letter signify that the name of that color, as used in common speech, is aptly descriptive. Color names beginning with a capital letter designate values based upon R.H.S. Colour Chart, published in 2001 by The Royal Horticultural Society, London, England.

(5) Throughout this specification, subjective description values conform to those set forth by the International Board for Plant Genetic Resources (IBPGR) Cherry Descriptor List (Prunus spp.) (1985) which was developed with full support from the Commission of the European Communities (CEC) Programme Committee for Plant Disease Resistance Breeding and the Use of Genebanks.

(6) The descriptive matter which follows pertains to IFG Cher-seven plants grown in the vicinity of Delano, Kern County, Calif. during 2016, and is believed to apply to plants of the variety grown under similar conditions of soil and climate elsewhere: Tree: General.Age 9 yrs. old. Height About 3.1 M when pruned. Width About 3.5 M when pruned. Vigor Moderately vigorous. Density of foliage Medium. Form Spreading. Branching Medium. Rootstock Prunus mahaleb. Resistance to Insects: Average typical of Prunus avium species. Diseases: Average typical of Prunus avium species. Chilling requirements High: Over 600 hours, similar to Santina. Graft compatibility Good: produces compatible graft unions with Prunus avium, Mazzard seedling (non-patented) and Prunus mahaleb seedlings (non-patented). Trunk.Diameter of 9 year old grafted limb, 20 cm from graft union About 18.9 cm. Lenticel size Medium. Lenticel dimensions Length: About 1.3 cm. Width: About 0.4 cm. Lenticel shape Elliptical shape oriented horizontally. Lenticel color Greyed-green: 197C. Trunk surface texture Rough. Outer bark color The following colors were observed: Greyed-purple: 187A and Greyed-orange: 166A. Branches: 1-year old wood.Vertical top growth length Long: About 90 cm. Horizontal Growth Length Medium: About 54.8 cm. Diameter Vertical growth: About 1.1 cm. Horizontal growth: About 2.2 cm. Internode length About 3.5 cm. Number of lenticels Few: Approximately 2 lenticels per linear cm. Lenticel size Small. Lenticel dimensions Length: About 0.1 cm. Width: About 0.1 cm. Lenticel shape Round. Bark color Grey-brown: N199D. 2-year old wood.Length About 42.5 cm. Diameter About 1.0 cm. Internode length About 4.5 cm. Number of lenticels Few: Approximately 2 lenticels per linear cm. Lenticel dimensions Length: About 0.3 cm. Width: About 0.1 cm. Lenticel shape Elliptical shape oriented vertically. Bark color The following colors were observed: Brown: 200C and N200C. Buds: Vegetative buds.Shape Elongated. Vegetative bud dimensions Length: About 1.0 cm. Width: About 0.35 cm. Vegetative bud burst About Feb. 14, 2016. Flower buds.Flower bud dimensions Length: About 0.9 cm. Width: About 0.5 cm. Shape Oval. Placement At bud positions mostly 1 to 6 on 1-year wood. Average number of flower buds on first year wood: About 5. Number of flower buds per spur on second year wood 1 to 3. Average: About 2. Color The following colors were observed: Greyed-orange: 165A and 166B. Flower bud burst Approximately Feb. 17, 2016. Leaves: Mature leaves.Leaf dimensions Length: About 16 cm. Width: About 7.2 cm. Leaf shape Ovate: Symmetric on both sides of central axis. Shape of tip Acuminate: broadly. Shape of base Attenuate. Margin Serrated: regular: rounded. Leaf profile Flat. Upper surface.Upper surface pubescence None. Upper leaf surface color Yellow-green: 147A. Surface texture Smooth. Lower surface.Lower surface pubescence Sparse: all over. Lower leaf surface color Yellow-green: 147B. Petiole.Petiole dimensions Length: About 3.7 cm. Width: About 0.2 cm. Upper surface of petiole color Greyed-purple: 187A. Lower surface of petiole color Yellow-green: 147B. Petiole groove Medium: Approximately 0.8 mm. Petiole pubescence Sparse: only on upper surface. Venation Arcuate. Vein color Yellow-green: 146C. Glands.Number of glands 2. Gland dimensions Length: About 0.27 cm. Width: About 0.2 cm. Gland shape Globose. Gland location On petiole. Gland color Greyed-purple: 185A. Leaf stipule Not present. Flowers: Blooming period.Similar to Brooks. Blooming dates.First Bloom: Feb. 22, 2016. Full Bloom: Feb. 29, 2016. Number of flowers per cluster.1 to 3: Average: About 2. Corolla.Composed of unfused petals, somewhat overlapping. Corolla diameter.About 3.0 cm. Petal number.5. Petal length.About 1.6 cm. Petal width.About 1.5 cm. Margin waviness.Medium. Division of upper margin.Notched. Color of petal upper surface.The following colors were observed: White: 155D and N155D. Color of petal lower surface.The following colors were observed: White: 155D and N155D. Peduncle.Length: About 1.0 cm. Width: About 0.13 cm. Peduncle color.The following colors were observed: Yellow-green: 144A and 144B. Number of sepals.5. Sepal length.About 0.6 cm. Sepal width.About 0.4 cm. Sepal shape.Broad ovate. Sepal color.Upper surface: Yellow-green: 144B. Lower surface: The following colors were observed: Yellow-green: 144A and Greyed red: 181A. Filament.Length: 0.3 to 1.5 cm. Width: 0.3 mm. Filament color.White: N155A. Anther color.Greyed-orange: 163B. Pollen color.Greyed-yellow: 162A. Pollen production.Medium. Self-compatibility of flowers.Self-incompatible. Flower compatibility group.S4S9. Fruit: General.Ripening period Mid-season: Approximately: May 5, 2016. Use Fresh market. Keeping quality Excellent. % Titratable acidity About 0.83%. Refractometer test Soluble solids: Brix: About 19.0. Firmtech II (g/mm) About 277. Flavor Excellent: Good sugar/acid balance with good cherry flavor. Juice color Greyed-purple: 187A. Juice amount Juicy. Eating quality Excellent. Stem.Stem Length: About 3.2 cm. Width: About 0.3 cm. Stem color Yellow-green: 146B. Stem cavity Deep. Stem retention during storage Excellent. Stem storage quality Excellent. Berry.Uniformity of size Slightly variable. Shape Reniform. Fruit Weight About 12.1 gm. Apical Diameter About 2.6 cm. Diameter across suture About 2.4 cm. Diameter at right angle to suture plane About 2.9 cm. Suture None. Percent of excessively deep or split sutures About 0%. Doubles About 0%. Skin.Thickness Thin to medium. Texture Smooth, tender. Skin color Greyed-purple: 187A. Tendency to tip crack Not susceptible. Tendency to stem cavity crack Not susceptible. Tendency to suture crack Somewhat susceptible. Flesh.Texture Medium firm. Color Greyed-purple: 187C. Stone cavity color: Greyed-purple: N186C. Stone.Shape Ovate. Length About 1.2 cm. Width across suture About 1.0 cm. Width at right angle to suture plane About 0.74 cm. Type Semi-free. Surface texture Slightly rough. Stone Color when dry Orange-white: 159A. Tendency to split None. Base Rounded. Apex Broadly pointed. Ventral edge Suture protrudes prominently beyond the horizontal plane of the base of the stone up to the mid-point of the stone. The suture is subtended by 2 narrow ridges converging at the base and apex of the stone. Dorsal edge Somewhat prominent ridge with slight wing near base, extending from base to apex.