Chrysanthemum named `Remco Yellow`

A new and distinct cultivar of chrysanthemum plant named Remco Yellow, bearing medium sized blooms with yellow ray florets and a greyed-orange center and performance of 21 days.

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Description

The present plant is related to the plant in the following co-pending application:

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     application Ser. No.                                                      

                      Filing Date                                              

                                Title                                          

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     09/149,459       9/9/98    Remco                                          

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BACKGROUND OF THE INVENTION

The present invention comprises a new and distinct cultivar of chrysanthemum plant which is a natural occurring sport of a parent chrysanthemum named Remco. Patent chrysanthemum Remco is also described in this application. The new cultivar was discovered as a whole plant mutation in 1993 by R. Noodelijk in a controlled environment (greenhouse) in Ter Aar, Holland. The first act of asexual reproduction of Remco Yellow was accomplished when vegetative cuttings were taken from the initial selection in Aug. 1993 in Ter Aar, Holland.

SUMMARY OF THE INVENTION

The present invention is a new and distinct variety of chrysanthemum bearing medium sized blooms with yellow ray florets and a greyed-red center.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention of a new and distinct variety of chrysanthemum is shown in the accompanying drawings, the color being as nearly true as possible with color photographs of this type.

FIG. 1 shows the stem of the cultivar in full bloom.

FIG. 2 shows the various stages of bloom of the new cultivar.

FIG. 3 shows the foliage and petiole of the new cultivar.

DESCRIPTION OF THE INVENTION

This new variety of chrysanthemum is of the botanical classification Dendranthema grandiflora. When grown in the vicinity of Ter Aar, Holland, it has a response time of approximately 8 weeks. This new variety produces medium sized blooms with yellow ray florets and a greyed-red center having a 3 week performance (i.e., vase life of 21 days). This new variety of chrysanthemum has been found to retain its distinctive characteristics throughout successive propagations. However, the phenotype may vary significantly with variations in environment such as light intensity and temperature. To show the phenotype as described Remco Yellow may be planted under greenhouse conditions in Holland without assimilation lightning between week 2 and 40. With assimilation lightning (minimum level 2500 lux) Remco Yellow may be planted year round under greenhouse conditions in Holland.

The following is a discription of the plant and characteristics (color designations are from the R.H.S. Colour Chart) that distinguish it from related known varieties and its antecedents:

The color designations are taken from the plant itself. Accordingly, any discrepancies between the color designations and the colors depicted in the photographs are due to photographic tolerances.

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     Botanical Description of Remco Yellow and Remco                           

     CULTIVAR   REMCO YELLOW   Parent Cultivar REMCO                           

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     Bud                                                                       

     Size                    Large cross section                               

                                                    large cross section        

                                           .+-.1.5 cm height .+-.1.2 cm        

     Outside Color                                                             

                    yellow-orange 21A to                                       

                                                   mainly red 49 D,            

                                                     red-purple 64 D at the    

                               tip                                             

     Bloom                                                                     

     Size                    medium                                            

                                                                 medium        

     Fully Expanded                                                            

                   6-61/2 cm                  6-61/2 cm                        

     Borne                  upper portion single                               

                                                   upper portion single        

                                                   flower per peduncle,        

                                                   lower portion plural        

                                                    flower per peduncle        

     Number of Blooms                                                          

                 average of 11                            average of 11        

     per single stem                                                           

     Peduncle Lengths                                                          

                 Near the top .+-.12 cm,                                       

                                                Near the top .+-.12 cm,        

                                             near the middle .+-.26 cm,        

                                             near the bottom .+-.28 cm.        

     Peduncle Lateral                                                          

                 weak to medium                                                

                                                         medium                

     Shoot, Attachment                                                         

     Peduncle Lateral                                                          

                 35.degree.-30.degree.                                         

                                                       40.degree.              

     Shoot, Angle                                                              

     Form                    semi-double (anemone)                             

                                                  semi-double (anemone)        

     Performance                                                               

                      good 21 days                                             

                                                           good 21 days        

     (lastingness of the                                                       

                (18.degree.-20.degree. C.)                                     

                                                (18.degree.-20.degree. C.)     

     total inflorescence)                                                      

     Color                                                                     

     Center of Flower/                                                         

                Greyed-orange 170 A                                            

                                                   Between orange-red 33 B     

     Disc floret                                                               

                      with a dot in the very                                   

                                                and 34 A with a dot in         

                                                  the very center of red       

                                                                 53 B          

     Color of the                                                              

                     Yellow-orange 16 A                                        

                                                     red-purple 69C but        

     upper surface of                                                          

                               slightly more white                             

     the majority of                                                           

     the ray-florets                                                           

     Color of the                                                              

                     yellow 10C with greyed-                                   

                                               red-purple 69B but              

     lower surface of                                                          

                 red 182D between the                                          

                                                  slightly paler               

     the majority of                                                           

                  ribs                                                         

     the ray-florets.                                                          

     Tonality from                                                             

                    a yellow anemone type                                      

                                                 a pinkish white anemone       

     Distance            flower with a red teint                               

                                               type flower with an             

                                                   orange-red cushion          

                                 cushion                                       

     Discoloration                                                             

                    ray-florets to yellow-                                     

                                               ray-florets to almost           

                                              white, center (cushion)          

                                              to orange-red 34 C               

                                 red 178A at the tips                          

     Pollen                (not present)                                       

                                                          (not present)        

     Ray florets                                                               

     Texture              upper side smooth,                                   

                                                   upperside smooth,           

                                                     underside smooth          

     Number                25-30 (two rows)                                    

                                                    25-30 (two rows)           

     Cross-section                                                             

                    convex, two keels                                          

                                                      convex, no keels         

     Longitudinal                                                              

                     straight                                  reflexing       

     axis of majority                                                          

     Shape of tip                                                              

                     rounded                                    dentate        

     Fragrance          typical chrysanthemum                                  

                                                  typical chrysanthemum        

     Disc Diameter                                                             

                    large to very large                                        

                                                   large to very large         

                                                       (2.5-3.0 cm)            

     Reproductive                                                              

     Organs                                                                    

     Stamen (present                                                           

                  yellow-green, thick                                          

                                                yellow-green, thick            

     in disc florets                                                           

                  .+-.5 mm in length                                           

                                                 .+-.5 mm in length            

     only)                                                                     

     Pollen                (not present)                                       

                                                          (not present)        

     Styles (present                                                           

                  green, thick                             green, thick        

     in disc and ray                                                           

     florets)                                                                  

     Style Length                                                              

                     .+-.7 mm                                  .+-.7 mm        

     Stigmas              yellow-green                                         

                                                           yellow-green        

     Stigma Width                                                              

                     .+-.3 mm                                  .+-.3 mm        

     Ovaries              enclosed in calyx                                    

                                                      enclosed in calyx        

     Plant                                                                     

     Form                    spray mum meant for                               

                                                    spray mum meant for        

                                               erect culture Herbaceous        

     Growth                medium                                              

                                                                 medium        

     Height                .+-.110-120 cm                                      

                                                      .+-.110-120 cm           

     Stem Color        green 146A                                              

                                                             green 139A        

     Stem Strength                                                             

                    medium to strong                                           

                                                       medium to strong        

     Stem Brittleness                                                          

                 present                                        absent         

     Stem Anthocyanin                                                          

                 present (mainly at the                                        

                                                present (mainly at the         

     Coloration        base)                                     base)         

     Internodes        medium (2.5-3.0 cm)                                     

                                                 medium (2.5-3.0 cm)           

     Flowering Response                                                        

                8 weeks                                        8 weeks         

     (photoperiodic                                                            

     controlled crop,                                                          

     no natural                                                                

     growing)                                                                  

     Foliage                                                                   

     Color                  upper side between 137A                            

                                             upper side between 137A           

                                              and yellow-green 147A,           

                                                underside near green           

                                                                137B           

     Size                    length .+-.12 cm,                                 

                                                   length .+-.12 cm,           

                                                      width .+-.6 cm           

     Quantity (per                                                             

                    22-26                                      22-26           

     single stem)                                                              

     Shape                  lobed                                              

                                                                  lobed        

     Texture              fleshy                                               

                                                                 fleshy        

     Ribs and Veins                                                            

                   ribs well developed,                                        

                                               ribs well developed,            

                                             veins not so developed            

     Edge                    crenated                                          

                                                               crenated        

     Shape of Base of                                                          

                 round                                            round        

     Sinus Between                                                             

     Lateral Lobes                                                             

     Margin of Sinus                                                           

                  converging                                 converging        

     Between Lateral                                                           

     Lobes                                                                     

     Shape of Base                                                             

                    uneven                                       uneven        

     Apex                    cuspidate                                         

                                                              cuspidate        

     Year of Discovery                                                         

                1993                                                           

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                               1992                                            

Claims

1. A new and distinct variety of chrysanthemum plant as described and illustrated.

Patent History
Patent number: PP11644
Type: Grant
Filed: Sep 9, 1998
Date of Patent: Nov 21, 2000
Assignee: Chrysanthemum Breeders Association N.V.
Inventor: Robert Noodelijk (Woubrugge)
Primary Examiner: Howard J. Locker
Application Number: 9/149,461
Classifications
Current U.S. Class: Yellow Or Gold (Plt/295)
International Classification: A01H 500;