Chrysanthemum plant named ‘MN95-105-6’

Details Chrysanthemum plant named ‘MN95-105-6’ Chrysanthemum plant named ‘MN95-105-6’

2000-02-14

2003-09-02

Campell, Bruce R. (Department: 1661)

Plants

Herbaceous ornamnental flowering plant

Chrysanthemum

Plant Patent

active

PP014129

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention comprises a new and distinctive chrysanthemum plant, hereinafter referred to by the cultivar name MN95-105-6. This new cultivar was the result of a cross in 1989 between
Chrysanthemum weyrichii
and
Chrysanthemum morifolium
. More specifically, the breeding program which resulted in the production of the new cultivar was carried out at St. Paul, Minn. The female or seed parent of ‘MN95-105-6’ was
Chrysanthemum weyrichii
‘Pink Bomb’ (unpatented), commercially available from White Flower Farms, Conn. having the following characteristics: (a) the plant habit is prostrate and the plant spreads via rhizomes to form a large mat after the first year; (b) the plant dimensions are that the plant has a diameter of about 1.5′ and is about 5-6″ tall; (c) the plant is hardy in zones 4-9 (Southeast)/Zone 10 (west); (d) the flower of the plant is a single daisy, having light lavender-colored ray florets and central disc florets with yellow pollen; (e) the plant has leaves that are dark green in color, with a very shiny leaf surface (glossy), and glabrous leaf margins that are deeply incised; and (d) the plant tends to rosette, needs cold treatment to flower consistently, flowering can be sporadic with gaps in the plant architecture and the plant is an obligate short-day plant. The male or pollen parent of ‘MN95-105-6’ was either
Chrysanthemum morifolium
‘Crusader’ or ‘Adorn’. ‘Crusader’ (U.S. Plant Pat. No. 6,531) is a lavender daisy and is commercially available from Yoder Brothers, Inc., Barberton, Ohio and ‘Adorn’ (U.S. Plant Pat. No. 6,059) is a deep purple daisy and is commercially available from Pan American Seed Company, West Chicago, Ill. ‘Crusader’ and ‘Adorn’ having the following similar characteristics: (a) the plant habit is cushion; (b) the plant is hardy in zones 6-9 (Southeast)/Zone 10 (west); (c) the flower is a single daisy; (d) the plant has leaves that are similar to other Yoder Brother, Inc. cushion series chrysanthemums; and (c) the plant is a facultative short-day plant. Both ‘Crusader’ and ‘Adorn’ were each planted adjacent to the female parent. There were no other garden chrysanthemums within proximity for pollinators, such as bees, to use for pollen transfer. The resulting seeds, identified as 90-287-158 were collected. In 1990, a plant of 90-287-158 was crossed as the male parent with plants identified as 88-409-33, a University of Minnesota variety named ‘Rose Blush’ (unpatented), as the female parent and the resulting seeds, identified as cross number 91-204-2 were collected. In 1993, seedlings of the cross 91-204-2 were selfed and the resulting seeds, identified as 94-23-87 collected. In 1994, plants of 94-23-87 were selfed and the resulting seeds, identified as cross number 95-105 were collected. In 1995, seedlings of cross 95-105 were germinated and flowering progeny evaluated. ‘MN95-105-6 was the sixth plant from the cross and was selected during the fall of 1995. ‘MN95-105-6’ is distinguishable from other varieties by its shrub-like growth in the second and successive years of growth, its superior winter hardiness, frost tolerance, and tendency to attract butterflies.
Asexual reproduction of the new cultivar by terminal or stem cuttings taken during 1996 through 1999 at St. Paul, Minn., U.S.A. has demonstrated that the characteristics of the new cultivar as herein described are firmly fixed and are retained through successive generations of such asexual propagation.
SUMMARY OF INVENTION
It was found that the cultivar of the present invention:
(a) exhibits extreme hybrid vigor,
(b) develops, in its second and subsequent years after planting, when grown in the fall under natural daylength and without the application of growth regulators, into a flowering herbaceous shrub having a plant height of from about 1.9 to about 2.4 feet and a spread from about 2.5 to about 6.0 feet,
(c) exhibits, in its second and subsequent years after planting and during the fall season (August-October), a massive floral display,
(d) displays flowers which are slightly toned with grey, giving the flower petals a slightly altered coloration,
(e) exhibits superior winter hardiness, including frost tolerance, and
(f) exhibits self-pinching.
The ‘MN95-105-6’ cultivar has not been observed under all possible environmental conditions to date. Accordingly, it is possible that the phenotype may vary somewhat with variations in the environment, such as temperature, light intensity, and day length.
When the new cultivar of the present invention is compared to ‘Jennifer’ (U.S. Plant Pat. No. 8,987), it is found to exhibit a more spreading and prolific habit in its second and subsequent years after planting accompanied with a massive floral display. Reference is made to Table 1 below which compares certain characteristics of ‘MN95-105-6’ to ‘Jennifer’.
TABLE 1
Characteristic
‘MN95-105-6’
‘Jennifer’
Capitulum form and type
Triplex-quadriplex daisy
Flat
decorative
Plant Height
About 14 to 19 inches
12 to 14 inches
(first year);
about 2.4 to about 2.9 feet
(second year)
Branching Pattern
Spreading and very prolific
Spreading
Flowering Response
5.5 weeks
7 weeks
Flower diameter
6.3 cm
6.4 to 7.3 cm
Ray florets, color, mature
Coral
Bronze with
darker center


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