Cherry tree (rootstock) named ‘Lincoln’

Abstract

A new cherry tree variety suitable for use as rootstock.

Claims

1. A new and distinct variety of cherry tree named ‘Lincoln’, substantially as described and illustrated herein.

Description

BRIEF DESCRIPTION OF PHOTOGRAPHS

(1) The accompanying photographs display flowers, leaves, and fruits from a self-rooted mother block tree at Clarksville, Mich. in April 2021.

(2) FIG. 1 is a photograph of the flowers of ‘Lincoln’.

(3) FIG. 2 is a photograph of a branch of ‘Lincoln’.

(4) FIG. 3 is a photograph of fruit of ‘Lincoln’.

DESCRIPTION OF THE NEW VARIETY

(5) The following is a detailed botanical description of the new variety of cherry tree, its flowers, foliage and fruit, as based on observations of various aged specimens grown in Clarksville, Mich. with color in accordance with The Royal Horticultural Society Colour Chart (RHS), 2001 edition. Measurement details: Flowers: Inflorescence height.—Measured from where the flower cluster attaches to the branch to the most distal floral part. Flower diameter.—Measured across the petals in mm. Flower length.—Measured from the bottom of the pedicel to the most distal flower point (mm). Pedicel.—The stem of an individual flower. It is measured from the attachment in the bud to the start of the perianth. Peduncle.—A stalk supporting an inflorescence. In these selections, the cherry flowers within a flower bud all start at the same base and they the stalk separates into individual pedicels supporting each flower. Anther color.—Before the anther's dehisce, when they are still bright yellow and plump. Anther length.—Measured for the longest anther measured from the top of the perianth tube. Style.—Measured above the swelled ovary. Characteristics: Tree: Plant height.—Approx. 5.5 m. Plant vigor.—Medium. Plant habit.—Spreading. Plant branching.—Strong. Hardiness.—Cold resistant, drought/heat tolerance not exhibited. Scion compatibility confirmed.—‘Bing’, ‘Hedelfingen’, ‘Montmorency’. One year old shoot: Thickness.—5 mm. Length of internode.—2.5 cm. Pubescence.—Absent. Relative number of lenticels.—Medium. Anthocyanin coloration of apex.—Absent. Position of vegetative bud in relation to shoot.—Markedly held out. Shape of apex of vegetative bud.—Obtuse. Leaves: Mature leaf arrangement.—Alternate. Intensity of anthocyanin coloration of young leaf.—Weak. Leaf blade shape.—Ovate. Leaf blade ratio length to width.—Small. Leaf length (blade only).—11 cm. Leaf width.—6.5 cm. Leaf blade angle of apex.—Acute. Leaf blade shape of base.—Obtuse. Leaf blade shape of apex.—Acute. Leaf blade incisions of margin.—Crenate. Leaf blade depth of incisions of margin.—Medium. Leaf blade glossiness of upper side.—Medium. Leaf blade pubescence of lower side.—Weak. Upper surface color.—R.H.S. 137B. Leaf upper surface texture/pubescence.—Smooth. Leaf upper surface venation color.—R.H.S. 137C. Leaf venation pattern.—Pinnate. Lower surface color.—R.H.S. 138B. Petiole-intensity of pubescence of upper side.—Weak. Petiole-depth of groove.—Shallow. Leaf petiole length.—18 mm. Leaf petiole diameter.—2 mm. Leaf petiole color.—R.H.S. 138B and 59A. Leaf-presence of nectaries.—Present. Leaf-predominant number of nectaries.—Two. Leaf-position of nectaries.—Base of leaf blade & petiole. Nectary shape.—Reniform. Leaf stipule length.—13 mm. Leaf stipule width.—2 mm. Leaf stipule shape.—Pointed. Leaf stipule margin.—Serrated. Flowers: Fragrance.—None. Bloom date (50%).—Apr. 27, 2021. Inflorescence diameter.—5 cm. Flower diameter.—31 mm. Petal arrangement.—Flat whorl. Petal margin.—Smooth. Petal texture.—Smooth. Petal color when fully open (upper surface).—R.H.S 155D. Petal color when fully open (lower surface).—R.H.S 155D. Sepal shape.—Triangle. Sepal apex.—Pointed. Sepal margin.—Serrated. Sepal texture.—Slightly pubescent. Sepal color upper.—R.H.S 138A. Sepal color lower.—Both R.H.S 138B and 59A. Flower pedical length.—10 mm. Flower pedicel diameter.—1 mm. Flower pedicel texture.—Smooth. Flower pedicel color.—Both R.H.S 144B and 59A. Flower peduncle length.—1 mm. Flower peduncle diameter.—2 mm. Flower peduncle texture.—Smooth. Flower peduncle color.—R.H.S 138B. Pistils-number per flower.—1. Style length.—9 mm. Style color.—R.H.S 138D. Stigma shape.—Round/indented. Stigma color.—R.H.S 138D. Stamen filament color.—R.H.S 155D. Longest anther length.—9 mm. Anther color.—R.H.S 20A. Pollen color.—R.H.S 17C. Fruit: Mature fruit shape.—Kidney shape. Mature fruit height.—19 mm. Mature fruit width 1.—20 mm. Mature fruit width 2.—25 mm. Mature fruit ratio height/width.—2. Mature fruit weight.—6 g. Mature fruit taste.—Sour. Mature fruit skin color.—R.H.S. 59A. Mature fruit flesh color.—R.H.S. 46A. Stone color.—R.H.S. 164D. Stone shape.—Spherical. Stone number.—1. Stone height.—9 mm. Stone width1.—10 mm. Stone width2.—7.5 mm. Stone ratio height/width.—2. Stone weight.—0.3 g. Fruit stem length.—30 mm. Market use: Rootstock.