Plum tree named ‘SUPLUM65’

Abstract

The new variety SUPLUM65 is characterized by having circular-shaped fruit that is very large sized for an early-season plum, with black-colored skin, firm, red-colored flesh, and a sweet-mild flavor.

Claims

1. A new and distinct variety of plum tree named SUPLUM65 as described and illustrated herein.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPH

(1) The accompanying color photographic illustration taken from a six-year-old plant shows typical specimens of the foliage and fruit of the plum variety SUPLUM65. The illustration shows the upper and lower surfaces of the leaves and exterior and sectional views of the fruit. The photographic illustration was taken shortly after the fruit was picked and the colors are as nearly true as is reasonably possible in a color representation of this type.

DETAILED DESCRIPTION

(2) 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 The R.H.S. Colour Chart published by The Royal Horticultural Society, London, England, sixth edition, 2019 reprint.

(3) The descriptive matter which follows pertains to six-year-old SUPLUM65 trees grown in the vicinity of Wasco, Kern County, California during 2025 and is believed to apply to plants of the variety grown under similar conditions of soil and climate elsewhere.

TREE

(4) General: (Measurements taken on six-year-old trees unless otherwise noted). Size.Medium: reaches a height of approximately 2.5 meters to 3 meters with normal pruning. Habit.Upright. Vigor.Strong. Productivity.Very productive. About 481 cartons (10-1b cartons) per acre. Fruit set is usually two or more times the desired amount for marketable size fruit. Thinning and spacing of fruit is necessary. Fertility.Self-incompatible. Hardiness.Hardy in all fruit growing areas of California. Winter chilling requirement is approximately 600 hours at or below 7.2 C. Disease resistance/susceptibility.Under close observation in Kern County, California, no particular plant/fruit disease resistance/susceptibility has been observed. Insect resistance/susceptibility.Under close observation in Kern County, California, no particular plant/fruit insect resistance/susceptibility has been observed. Trunk: (Measurements taken at approximately 30 cm above soil line on mature tree). Diameter.Approximately 9 cm to 10 cm. Texture.Medium shaggy, increasing with age of tree. Trunk color.About Moderate Olive Brown 199A, becoming darker with age. Branches: (Measurements taken at approximately 90 cm above soil line). Size.Diameter approximately 6.5 cm. Texture.Medium shaggy, increasing with age. Color.About Light Brownish Grey 201B. Lenticels.Present. Lenticels density.Plentiful, about 50/cm.sup.2. Lenticels color.About Moderate Olive Brown 199A. Lenticels dimensions.Length: approximately 4.5 mm. Width: approximately 2 mm. One year old shoots: (Data taken in March by end of bloom). Size.Medium, diameter approximately 5 mm. Topside color.About Pinkish Grey 201D. Underside color.About Light Brownish Grey 201A. Internode length.Approximately 2 cm to 3 cm. Lenticels color.About Pinkish Grey 201D. Lenticels size.About 0.2 mm in diameter. Presence of anthocyanin coloration.Absent or very sparse. Density of flower buds.Dense to very dense. Vegetative buds: (Data taken in September at mid-point of current season growth). Size.Medium, approximately 2.5 mm wide1.5 mm long. Shape.Conical. Bud shape at apex.Obtuse. Color.About Pinkish Grey 201D. Flower buds: (Data taken in September at mid-point of current season growth). Shape.Ovoid. Dimensions.Approximately 3.5 mm wide4.5 mm long. Color.About Dark Greyish Yellowish Brown N200A. Ratio of flowering buds to vegetative buds.10 flower buds to 1 vegetative bud.

FOLIAGE

(5) Leaves: (Data taken in March by the end of bloom). Average length.Short to medium; approximately 60 mm without petiole. Average width.Medium; approximately 21 mm. Length/width ratio.Moderately elongated; about 3:1. Shape.Elliptic. Color. Upper surface.About Strong Yellow Green 143B. Lower surface.About Strong Yellow Green 143C. Angle at apex (excluding tip).Acute, small. Angle of base.Acute. Vein color.About Strong Yellow Green 143B. Presence of red coloration of mid-vein on the lower side.Absent or very sparse. Venation.Pinnate. Surface texture.Smooth on both upper and lower surfaces. Shape in the cross section.Flat. Leaf blade tip.Curved downwardly. Undulation of margin.Slight. Margin.Shallow serrate. Petiole: Average length.Medium, approximately 9 mm. Average diameter.Approximately 1.5 mm. Color.About Strong Yellow Green 143B. Stipules: Number/leaf bud.Approximately 2 to 3. Typical length.Short, approximately 5 mm. Color.About Strong Yellow Green 143B. Persistence.Falls off. Leaf glands: Average number and arrangement.2, alternating. Predominately on petiole side of the leaf base. Form.Globose. Dimensions.Approximately 0.5 mm long and 0.5 mm wide. Color.About Strong Yellow Green 143B.

FLOWERS

(6) General: Time of beginning of leaf bud burst.Early, with bloom, around balloon stage, February 3.sup.rd. Time of beginning of flowering.Early for the San Joaquin Valley, California. Flower blooming period.First bloom: Approximately February 22nd in Wasco, California. Full bloom: Approximately February 26th in Wasco, California. Location of first bloom.Tips of one year old shoots. Location of full bloom.Central part of the tree canopy. Duration of bloom.Approximately 10 days. Flower diameter.Approximately 15 mm. Flower form.Showy. Flower aroma.Slight. Pedicels: Length.Approximately 6 mm. Diameter.Approximately 1.5 mm. Color.About Strong Yellow Green 144B. Petals: Number.5. Arrangement.Touching. Color.About Pinkish White NN155C. Length.Approximately 9 mm. Width.Approximately 7 mm. Shape.Medium elliptic. Apex shape.Rounded. Base shape.Narrows at point of attachment. Surface texture.Smooth. Undulation of margins.Medium. Frequency of flowers with double petals.Never. Claw.Partially developed. Sepals: Number.5. Length.Approximately 2 mm. Width.Approximately 1.5 mm. Shape.Medium ovate. Color.About Strong Yellow Green 144B. Surface texture.Smooth to slightly rough. Positioning.Adpressed to petals. Stamens: Number.About 35. Average length.Approximately 5.5 mm. Filament color.About Pinkish White NN155C. Anthers pollen.Present. Flower pollen color.About Vivid Yellow 14A. Position compared to petals.At same level. Pistil: Average length.Approximately 6 mm. Ovary diameter.Approximately 1.5 mm. Stigma position compared to anthers.Below. Frequency of supplemental pistils.Few. Ovary: Pubescence.Absent. Receptical: Depth.Medium, approximately 1.5 mm. Pubescence of inner surface.Absent. Pubescence of outer surface.Absent.

FRUIT

(7) General: (Description taken at firm-mature near Wasco, Kern County, California). Ripening: Time of beginning of fruit ripening.Early. Date of first pick.Approximately June 11. Date of last pick.Approximately June 20. Size: Height.Tall, approximately 60 mm. Diameter in ventral side, facing suture.Approximately 73 mm. Diameter perpendicular to suture plane.Broad, approximately 73 mm. Average weight.Very large, approximately 165 gm. Peduncle: Length.Approximately 11 mm. Width.Approximately 2 mm. Color.About Strong Yellow Green 141D. Shape: Viewed from apex.Circular. Ventral side, facing suture.Broad oblate. Lateral view, perpendicular to suture.Oblate. Symmetry viewed from pistil end.Symmetric. Shape of pistil end.Flat. Mucron tip at pistil end.Absent. Fruit stem cavity: Depth of stalk cavity.Deep, approximately 10 mm. Width of stalk cavity.Medium, approximately 8 mm. Prominence of suture.Weak. Fruit skin: Thickness.Thin, typical of most varieties. Taste.Excellent. Adherence to flesh.Strong. Surface texture.Rippled. Pubescence.Absent. Glossiness.Strong. Ground color.Not visible. Overcolor.About Black 203B. Relative area of overcolor.Very large, about 90%. Pattern of overcolor.Solid flush. Tendency to crack.None. Conspicuousness of lenticels.Medium. Flesh at firm-mature: Ripens.Evenly. Color.About Deep Red 60A. Anthocyanin coloration of flesh in central part of flesh.Strong. Anthocyanin coloration of flesh around stone.Weak. Flavor.Sweet-mild. Firmness.Firm; typically 10 lb pressure at harvest. Juice.Excellent. Acidity.Medium for plums. Sweetness.Medium; about 17% Brix at harvest. Flesh type.Slow melting. Amount of fiber.Weak. Stone: Stone freeness.Cling. Stone size.Size: Large Length: Approximately 30 mm. Diameter facing suture: Approximately 15 mm. Diameter perpendicular to suture plane: Approximately 25 mm. Color.About Strong Orange Yellow 163C. Anthocyanin color.Absent. Intensity of brown color.Light. Position of maximum diameter.Middle. Shape from lateral view perpendicular to suture.Circular. Shape from ventral view facing suture.Narrow elliptic. Shape from basal view.Narrow elliptic. Shape in basal view.Medium elliptic. Base shape.Nearly straight. Apex shape.Slight point at tip. Stone ridges.Rounded throughout. Stone outgrowing keel.Well developed. Fibers.Not visible. Symmetry in lateral view.Strongly asymmetrical. Relief of surface.Predominately grooves. Width of stalk-end.Narrow. Tendency to split.Very low. Adherence to flesh.Present. Degree of adherence to flesh.Strong.