Plants – Rose – Climber
Plant Patent
1999-02-22
2001-02-06
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP011762
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Dimorphotheca plant, botanically known as
Dimorphotheca aurantiaca
and referred to by the cultivar name ‘Rose’.
The new cultivar is a product of a planned breeding program conducted by the Inventor in Emerald, Victoria, Australia. The objective of the breeding program was to create new compact Dimorphotheca cultivars with interesting ray floret colors and high temperature tolerance.
The new cultivar originated from a cross made by the Inventor in 1992 of a proprietary selection of
Dimorphotheca aurantiaca
identified as 90/78 as the female, or seed, parent and a proprietary selection of
Dimorphotheca aurantiaca
identified as 91/179 as the male, or pollen, parent. The new Dimorphotheca was selected by the Inventor as a flowering plant within the progeny of this cross in a controlled environment in Emerald, Victoria, Australia in 1992.
Plants of the new cultivar are different from plants of the female parent, the selection 90/78 in plant habit, infloresence size and floret color.
Plants of the new Dimorphotheca are different from plants of the male parent, the selection 91/179 in stem length and floret color.
Asexual propagation of the new cultivar by terminal cuttings and by tissue culture at Emerald, Victoria, Australia, has shown that the unique features of this new Dimorphotheca are stable and reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Rose’. These characteristics in combination distinguish ‘Rose’ as a new and distinct cultivar:
1. Low, compact, mounding and outwardly spreading growth habit.
2. Numerous leaves and upright inflorescences on long peduncles.
3. Freely branching.
4. Dark pink-colored ray florets contrasted with purple anther sand styles.
5. Numerous inflorescences per plant.
6. Relatively tolerant to high temperatures.
Plants of the new cultivar differs from its sibling cultivar ‘Mauve’ (disclosed in U.S. Plant patent application Ser. No. 09/257,094) in growth rate, leaf size, leaf shape and ray floret color.
The new cultivar can be compared to the Osteospermum cultivar ‘Mira’, disclosed in U.S. Plant Pat. Ser. No. 11,082. However in side-by-side comparisons conducted in Emerald, Victoria, Australia, plants of the new cultivar are much more compact, have smaller inflorescences and ray florets are lighter in color.
The cultivar ‘Rose’ has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, daylength and light intensity, without, however, any variance in genotype.
Bell Kent L.
Campell Bruce R.
Whealy C. A.
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