USPP7381P - Chrysanthemum plant named Snowsota - Google Patents

Chrysanthemum plant named Snowsota Download PDF

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Publication number
USPP7381P
USPP7381P US07/274,404 US27440488V US7381P US PP7381 P USPP7381 P US PP7381P US 27440488 V US27440488 V US 27440488V US 7381 P US7381 P US 7381P
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white
florets
color
snowsota
plant
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US07/274,404
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Richard E. Widmer
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University of Minnesota System
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University of Minnesota System
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Assigned to REGENTS OF THE UNIVERSITY OF MINNESOTA reassignment REGENTS OF THE UNIVERSITY OF MINNESOTA ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: WIDMER, RICHARD E.
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
    • A01H6/14—Asteraceae or Compositae, e.g. safflower, sunflower, artichoke or lettuce
    • A01H6/1424—Chrysanthemum
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/02—Flowers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/654—With work-constraining means on work conveyor [i.e., "work-carrier"]

Definitions

  • This new cultivar of Chrysanthemum plant originated as seedling number 82-135-88 resulting from a cross of Spartan and Chiquita's Rival (unpatented cultivars) made in 1981 at St. Paul, Minn. during the course of breeding efforts in an on-going Chrysanthemum project under direction of the inventor, a professor at the University of Minnesota, Department of Horticultural Science and Landscape Architecture.
  • NM Sel. 82-135-88 Minnesota Selection (NM Sel.) 82-135-88 was discovered and selected as one flowering plant within the progeny of the stated cross in the fall of 1982, in the St. Paul Campus field test plots at the University of Minnesota. The early opening of the 3.5 cm, white pompon flowers with light yellow centers, with the entire flower fading to a snow-white color and resistance to pinking at low temperatures, caused me to select this seedling for propagation and testing. The first act of asexual reproduction of MN Sel. 82-135-88 was accomplished when vegetative cuttings were taken in March-April 1983, in a controlled environment in St. Paul, Minn. Cuttings were from the initial selection plant that had been dug from the field in late October, 1982. Plants so reproduced continued to have the same favorable characteristics with clean, medium green foliage on stiff stems and white flowers with light yellow centers fading to a clear snow white color.
  • Plants of this Chrysanthemum were field tested at seven locations in Minnesota in 1985, 1986 and 1987, including the Minnesota Landscape Arboretum and the Crookston, Grand Rapids, Lamberton, Morris, Rosemount and Waseca Agricultural Experiment Stations.
  • this cultivar was trialed in 1985, 1986 and 1987 as a greenhouse grown spring flowering plant in 3-inch pots. Rooted cuttings were potted March 15 of each year, pinched (stem tip removal) one week later and successfully forced into bloom in both natural (long day) and short day (0800-1600 hours) photoperiods. Flowering of this selection in the St. Paul Campus field test plots of the University of Minnesota usually begins in the last week of August and a week before the cultivar Baby Tears.
  • FIG. 1 is a black and white photo showing a greenhouse grown flowering plant in a 7.5 cm pot, photographed in May of 1988.
  • FIG. 2 is a black and white photo showing the under and upper surfaces of leaves from flowering plants of this cultivar.
  • FIG. 3 is a color photograph of field grown plants in bloom in September, 1988, taken at the trial plots on the St. Paul Campus, University of Minnesota.
  • Botanic.--Dendranthema grandiflora (Chrysanthemum morifolium Ramat.).
  • Foliage 7 to 8 leaves per 10 cm of stem.
  • Stamens 10 to 25 attached to the receptacle in the center of the head.
  • Ovaries Interior bicarpellate.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • Botany (AREA)
  • Developmental Biology & Embryology (AREA)
  • Environmental Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Cultivation Of Plants (AREA)

Abstract

A new variety of Dendranthema grandiflora (Chrysanthemum morifolium Ramat.) for the outdoor garden and for spring flowering greenhouse pot plant culture, characterized by long-lasting blooms which are also early opening, 3.5 cm in diameter, full pompon, white with light yellow center, and resistant to pinking at lower temperatures, on plants of an informally mounded plant habit with small to medium sized leaves on stiff stems.

Description

BACKGROUND INFORMATION
This new cultivar of Chrysanthemum plant originated as seedling number 82-135-88 resulting from a cross of Spartan and Chiquita's Rival (unpatented cultivars) made in 1981 at St. Paul, Minn. during the course of breeding efforts in an on-going Chrysanthemum project under direction of the inventor, a professor at the University of Minnesota, Department of Horticultural Science and Landscape Architecture.
Minnesota Selection (NM Sel.) 82-135-88 was discovered and selected as one flowering plant within the progeny of the stated cross in the fall of 1982, in the St. Paul Campus field test plots at the University of Minnesota. The early opening of the 3.5 cm, white pompon flowers with light yellow centers, with the entire flower fading to a snow-white color and resistance to pinking at low temperatures, caused me to select this seedling for propagation and testing. The first act of asexual reproduction of MN Sel. 82-135-88 was accomplished when vegetative cuttings were taken in March-April 1983, in a controlled environment in St. Paul, Minn. Cuttings were from the initial selection plant that had been dug from the field in late October, 1982. Plants so reproduced continued to have the same favorable characteristics with clean, medium green foliage on stiff stems and white flowers with light yellow centers fading to a clear snow white color.
Plants of this Chrysanthemum were field tested at seven locations in Minnesota in 1985, 1986 and 1987, including the Minnesota Landscape Arboretum and the Crookston, Grand Rapids, Lamberton, Morris, Rosemount and Waseca Agricultural Experiment Stations. In addition, this cultivar was trialed in 1985, 1986 and 1987 as a greenhouse grown spring flowering plant in 3-inch pots. Rooted cuttings were potted March 15 of each year, pinched (stem tip removal) one week later and successfully forced into bloom in both natural (long day) and short day (0800-1600 hours) photoperiods. Flowering of this selection in the St. Paul Campus field test plots of the University of Minnesota usually begins in the last week of August and a week before the cultivar Baby Tears.
DESCRIPTION OF THE DRAWINGS
This new Chrysanthemum is illustrated by the accompanying photographs.
FIG. 1 is a black and white photo showing a greenhouse grown flowering plant in a 7.5 cm pot, photographed in May of 1988.
FIG. 2 is a black and white photo showing the under and upper surfaces of leaves from flowering plants of this cultivar.
FIG. 3 is a color photograph of field grown plants in bloom in September, 1988, taken at the trial plots on the St. Paul Campus, University of Minnesota.
DESCRIPTION OF THE NEW PLANT
The following is a description of the new Chrysanthemum cultivar with color designations according to the R.H.S. Colour Chart published by The Royal Horticultural Society, London, England (copyright 1938). The observations were made of plants reproduced and grown at the trial plots on the St. Paul Campus, University of Minnesota, St. Paul, Minn.
THE PLANT
Origin: Seedling.
Parentage:
Seed parent.--Spartan (unpatented).
Pollen parent.--Chiquita's Rival (unpatented). Cultivar identified as MN Sel 82-135-88.
Classification:
Botanic.--Dendranthema grandiflora (Chrysanthemum morifolium Ramat.).
Commercial.--Greenhouse pot plant and outdoor garden plant.
Form: Perennial herbaceous bush.
Height:
As a pot plant.--10-19 cm above pot rim.
As an outdoor garden plant.--30 to 40 cm.
Growth: Terminal, spreading to form an informal mound, stiff stems.
Foliage: 7 to 8 leaves per 10 cm of stem.
Leave size.--About 5 cm across and 7.5 cm long.
Shape.--Ovate, lobed, generally incised.
Color.--Upper side-Spinach Green 960. Lower side-Spinach Green 960/2. Surface Texture: Puberulent. Venation: Pinnately veined. Petioles: About 2.2 cm in length.
THE BUD
Form: Elliptical.
Size:
Diameter.--0.7 to 8.0 cm.
Depth.--0.5 cm.
Opening: The bud opens slowly.
Color:
When phyllaries first divide.--Spinach Green 960/2.
When florets begin to unfurl.--Spinach Green 960/3.
Phyllaries: The outside of the receptacle bears many phyllaries as involucral bracts.
Form.--Spear shaped and curling up on edges.
Color.--Spinach Green 960/2, inside and outside.
Surface texture.--Puberulent.
Penduncle.--Length: 11 cm. Surface texture: puberulent.
Strength.--Firm.
Color.--Spinach Green 920/3.
THE FLOWER
Blooming:
Capability.--This plant can be flowered the year round with photoperiod temperature control.
Response.--6 weeks.
Natural flowering season.--August 26 to October 12.
Blooms:
Flower type.--Pompon.
Size.--Diameter -- 3.5 cm. Depth -- 2 cm. Center -- 0.5 cm open center at maturity.
Shape.--Hermispherical becoming deeper at maturity.
Born.--Singly, as head of many florets on a receptacle, in a relatively open spray formation.
Florets: Numerous in quantity.
Form.--Broad obtuse, slight fringing at tips.
Texture.--Firm.
Appearance.--Clean, no shine.
Arrangement.--Pompon.
Discoloration.--Very little change; yellow center changes to white; minimum pinking at low temperatures.
______________________________________                                    
Color:       May           Sept                                           
______________________________________                                    
Outer Florets:                                                            
Upper side   White         white (a clean                                 
                           snow-whitecolor)                               
Reverse      White         White                                          
Inside Florets:                                                           
Upper side   Sulfur yellow 1/2                                            
                           Sulfur yellow 1/2                              
Reverse      Sulfur yellow 1/2                                            
                           Sulfur yellow 1/1                              
______________________________________
General color tonality: Clean snow-white at a distance of 6 feet.
Effect of weather: Flower is not effected by hot or wet weather.
Persistence: Florets hang on and dry.
Fragrance: Typical Chrysanthemum.
Lasting quality: 3-4 weeks.
REPRODUCTIVE ORGANS
Stamens: 10 to 25 attached to the receptacle in the center of the head.
Filaments.--Length -- 0.3 cm. Color-Light yellow.
Pollen.--Color-Lemon Yellow 4.
Pistils:
Number.--One to each disc and ray floret, 0.2 cm long.
Styles.--About 0.15 to 0.2 cm long.
Stigmas.--Color-Canary yellow 2/2.
Ovaries: Interior bicarpellate.

Claims (1)

I claim:
1. A new and distinct Dendranthema grandiflora cultivar substantially as shown and described herein, and particularly characterized by early opening florets, which are 3.5 cm in diameter, full, white with yellow center florets fading to white, the florets also being resistant to low temperature "pinking" with good lasting quality developing into informal mounds with clean foliage on stiff stems.
US07/274,404 1988-11-21 1988-11-21 Chrysanthemum plant named Snowsota Expired - Lifetime USPP7381P (en)

Priority Applications (1)

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AS Assignment

Owner name: REGENTS OF THE UNIVERSITY OF MINNESOTA, MINNESOTA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:WIDMER, RICHARD E.;REEL/FRAME:005027/0590

Effective date: 19881107