Petunia plant named ‘Sunrove’

Details Petunia plant named ‘Sunrove’ Petunia plant named ‘Sunrove’

2002-02-08

2003-09-02

Campell, Bruce R. (Department: 1661)

Plants

Herbaceous ornamnental flowering plant

Petunia

Plant Patent

active

PP014125

ABSTRACT:

Botanical/commercial classification: Petunia hybrida/Petunia Plant.
Varietal denomination: cv. ‘Sunrove’.
BACKGROUND OF THE VARIETY
The Petunia is a very popular plant that is used for flower bedding and potting in the summer season. There are only a few Petunia varieties which do not have an upright growth habit and which have a high resistance to rain, heat, and diseases. The Petunia plants of the REVOLUTION Series [i.e., ‘Revolution Purple pink’ (U.S. Plant Pat. No. 6,915), ‘Revolution Brilliant pink’ (U.S. Plant Pat. No. 6,914), ‘Revolution Brilliant pink-mini’ (U.S. Plant Pat. No. 6,899), ‘Revolution Bluevein’ (U.S. Plant Pat. No. 9,322), and ‘Revolution Pinkvein’ (U.S. Plant Pat. No. 9,341)] are decumbent type plants having long stems, a lower plant height, abundant branching, and a high resistance to heat, rain and disease. However, there are only a few Petunia varieties having a great profusion of flowers, pastel-colored with vein pattern flower petals and a high resistance to rain, heat, and diseases. Accordingly, this invention is aimed at obtaining a new variety having light purplish pink colored petals with a vivid reddish purple vein pattern, together with the above features.
The new variety of Petunia plant according to this invention originated from crossing a seedling named ‘6Pt-160-1’ (♀) (non-patented in the United States), and a wild type Petunia plant named ‘1792’ (♂) (non-patented in the United States).
The ‘6Pt-160-1’ variety was a seedling obtained from the ‘Falcon Plum’ variety (non-patented in the United States). The ‘1792’ variety (non-patented in the United States) is a decumbent, wild type Petunia plant native to Brazil. In April 1997, the crossing and the ‘1792’ as pollen parent was conducted. In January 1998, 120 seedlings were obtained from such crossing. These seedlings were grown in pots and were evaluated and 2 seedlings were selected. One of these subsequently was selected in view of its decumbent growth habit and light purplish pink colored petals with a vivid reddish purple vein pattern. That seedling was propagated by the use of cuttings in July 1998 in Shiga-Ken, Japan, and a trial was carried out by flower potting and bedding beginning in March 1999. The botanical characteristics of that plant were then examined using a similar variety ‘Revolution Pinkvein’ for comparison. As a result, it was concluded that this Petunia plant is distinguishable from other varieties whose existence is known, and uniform and stable in its characteristics. Then, the new variety of Petunia plant was named ‘Sunrove’.
In the following description, the color-coding is in accordance with The R.H.S. Colour Chart of The Royal Horticultural Society, London, England (hereafter designated R.H.S.). A color chart based on The Japan Color Standard for Horticultural Plants (J.H.S. Color Chart) is also added for reference.
The female parent used in the crossing of ‘Sunrove’ named ‘6Pt-160-1’ has an erect habit while that of the new variety is decumbent. The branching is less than the new variety. The petals are light purplish pink (R.H.S. 73C, J.H.S. 8903) with strong reddish purple (R.H.S. 72B, J.H.S. 9208) vein. The bottom color of the corolla throat is moderate reddish purple (R.H.S. 79C, J.H.S. 8913), and the outside color of the corolla tube is pale purple (R.H.S. 85D, J.H.S. 8914).
The main botanical characteristics of the ‘6Pt-160-1’ parent are as follows:
Plant:
Growth habit.—
Erect.
Plant height.—
Approximately 18 cm.
Spreading area of plant.—
Small.
Blooming period.—
April to July in the southern Kanto area, Japan.
Stem:
Length.—
Approximately 13.5 cm.
Thickness.—
Main stem approximately 1.8 mm.
Pubescence.—
Normal.
Branching.—
Medium.
Length of internode.—
Approximately 1.8 cm.
Color.—
Strong yellow green (R.H.S. 137C, J.H.S. 3512).
Leaf:
Whole shape.—
Elliptic. The apex shape is acute, and the base shape is attenuate.
Length.—
Approximately 8.0 cm.
Width.—
Approximately 3.8 cm.
Color.—
Upper-side color is moderate yellow green (R.H.S. 137C, J.H.S. 3712). Bottom-side color is moderate yellow green (R.H.S. 147B, J.H.S. 3513).
Pubescence.—
Normal.
Flower:
Facing direction.—
Upward.
Type.—
Single.
Shape.—
Funnel-shape, with five lobes.
Shape of petal tip.—
Round.
Lobation.—
Shallow.
Waving of petal.—
Weak.
Diameter.—
Approximately 5.8 cm.
Color.—
Petal; Light purplish pink (R.H.S. 73C, J.H.S. 8903) with strong reddish purple (R.H.S. 72B, J.H.S. 9208) vein. The bottom color of the corolla throat is moderate reddish purple (R.H.S. 79C, J.H.S. 8913). The outside color of the corolla tube is pale purple (R.H.S. 85D, J.H.S. 8914).
Reproductive organs.—
1 normal pistil and 5 normal stamens. The color of pistil is strong yellow green (R.H.S. 144B, J.H.S. 3512). The color of stamen is light olive gray (R.H.S. 197C, J.H.S. 3112).
Peduncle.—
Approximately 1.5 mm in thickness, and approximately 1.5 cm in length.
Physiological and ecological characteristics.—
Moderate resistance to cold, heat, diseases and pests. Low resistance to rain.
The pollen parent ‘1792’ used in the crossing of ‘Sunrove’ variety was a wild type Petunia plant native to Brazil. The Petunia plant ‘1792’ has a decumbent habit with long stems and much branching. The leaf is very small and without a petiole. It has very small single flower, and the petals having yellowish white (R.H.S. 158D, J.H.S. 2502) coloration with a strong reddish purple (R.H.S. 72B, J.H.S. 9208) vein.
The main botanical characteristics of variety 1792 parent are as follows:
Plant:
Growth habit.—
Decumbent.
Plant height.—
Approximately 5.5 cm.
Spreading area of plant.—
Large.
Blooming period.—
May to August in the southern Kanto area, Japan.
Stem:
Length.—
Approximately 15.0 cm.
Thickness.—
Approximately 1.3 mm.
Pubescence.—
Normal.
Branching.—
Much.
Length of internode.—
Approximately 1.0 cm.
Color.—
Strong yellow green (R.H.S. 144B, J.H.S. 3512).
Leaf:
Whole shape.—
Elliptic. The apex shape is acute, and the base shape is attenuate.
Length.—
Approximately 2.5 cm.
Width.—
Approximately 1.5 cm.
Color.—
Upper-side color is strong yellow green (R.H.S. 143A, J.H.S. 3711). Bottom-side color is moderate yellow green (R.H.S. 147B, J.H.S. 3513).
Pubescence.—
Sparse.
Flower:
Facing direction.—
Horizontal.
Type.—
Single.
Shape.—
Funnel-shape, with five lobes.
Shape of petal chip.—
Round.
Lobation.—
Shallow.
Waving of petal.—
Weak.
Diameter.—
Approximately 4.3 cm.
Color.—
Petal; Yellowish White (R.H.S. 158D, J.H.S. 2502) with strong reddish purple (R.H.S. 72B, J.H.S. 9208) vein. The bottom color of the corolla throat is greenish white (R.H.S. 155C, J.H.S. 3501). The outside color of the corolla tube is brilliant yellow green (R.H.S. 145B, J.H.S. 3504).
Reproductive organs.—
1 normal pistil and 5 normal stamens. The color of pistil is strong yellow green (R.H.S. 144B, J.H.S. 3512). The color of stamen is light olive gray (R.H.S. 197C, J.H.S. 3112).
Peduncle.—
Approximately 1.0 mm in thickness, and approximately 2.4 cm in length.
Physiological and ecological characteristics.—
Moderate resistance to cold and pests. Strong resistance to rain, heat and diseases.
The main botanical characteristics of a similar variety ‘Revolution Pinkvein’ variety (U.S. Plant Pat. No. 9,341) for comparison are as follows:
Plant:
Growth habit.—
Decumbent. The stems hang down when potted in a hanging pot.
Plant height.—
Approximately 15-25 cm.
Spreading area of plant.—
Large.
Blooming period.—
April to September in the southern Kanto area, Japan.
Stem:
Length.—
Approximately 60-80 cm.
Thickness.—
Approximately 3.0-4.0 mm.
Pubescence.—
Medium.
Branching.—
Very abundant (primary), abundant (secondary).
Length of internode.—
Approximately 2.0-4.0 cm.
Color.—
Strong yellow green (R.H.S. 144B, J.H.S. 3512).
Leaf:
Leaf attaching angle.—
Horizontal.
Whole shape.—
Oval. Length. Approximately 4.0-5.0 cm.
Width.—
Approximately 2.0-3.5 cm.
Color.—
Upper-side color is moderate olive green (R.H.S. 146A, J.H.S. 3508). Bottom-side color is moderate yellow green (R.H.S. 147B, J.H.S. 3513).
Pubescence.—
Medium.
Flower:
Facing direction.—
Obliquely upward.
Type.—
S

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