Plants – Rose – Climber
Plant Patent
1999-06-15
2001-01-30
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP011754
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Argyranthemum plant, commonly referred to as a Marguerite Daisy, botanically known as
Argyranthemum frutescens
, and hereinafter referred to by the cultivar name ‘Harvest Snow’.
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 develop compact, freely and continuously flowering Marguerite daisies that are heat-tolerant.
The new cultivar originated from a cross made by the Inventor in 1993 of an unnamed selection of
Argyranthemum frutescens
, as the male or pollen parent, with the
Argyranthemum frutescens
cultivar ‘Frosty II’, not patented, as the female or seed parent. The cultivar ‘Harvest Snow’ was discovered and selected by the Inventor as a flowering plant within the progeny of the stated cross in a controlled environment in Emerald, Victoria, Australia, in 1993.
Plants of the new Marguerite Daisy can be compared to plants of the female parent, the cultivar ‘Frosty II’. In side-by-side comparisons conducted in Emerald, Victoria, Australia, plants of the new Marguerite Daisy have a more uniform plant habit, thicker leaves and larger inflorescences than plants of the cultivar ‘Frosty II’.
Plants of the new Marguerite Daisy can also be compared to plants of the male parent, the unnamed selection of
Argyranthemum frutescens
. In side-by-side comparisons conducted in Emerald, Victoria, Australia, plants of the new Marguerite Daisy are more compact and have a more uniform plant habit than plants of the unnamed selection of
Argyranthemum frutescens.
Asexual reproduction of the new cultivar by terminal cuttings in Emerald, Victoria, Australia, has shown that the unique features of this new Marguerite Daisy are stable and are reproduced true to type in successive propagations.
SUMMARY OF THE INVENTION
The new cultivar 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.
The following characteristics have been repeatedly observed and are determined to be basic characteristics of ‘Harvest Snow’ which distinguish ‘Harvest Snow’ as a new and distinct cultivar:
1. Upright to outwardly spreading; very uniform; mounding and rounded; and very compact plant habit.
2. Freely branching, dense plants.
3. Thick and somewhat succulent foliage and lateral branches.
4. Uniform daisy-type inflorescences with white ray florets and bright yellow disc florets.
5. Freely flowering with numerous inflorescences per plant held above the foliage on strong and erect peduncles.
6. Continuous and uniform flowering over a long period of time.
7. Long-lasting inflorescences; inflorescences typically last about two to three weeks on the plant.
8. Very heat-tolerant.
REFERENCES:
patent: P.P. 10298 (1998-03-01), Cunneen
patent: P.P. 10720 (1998-12-01), Hammond
patent: P.P. 10905 (1999-05-01), Hammond
patent: P.P. 11085 (1999-10-01), Cunneen
Bell Kent L.
Campell Bruce R.
Whealy C. A.
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