Patent Publication Number: US-4273-P

Title: Chrysanthemum plant

Description:
The present invention comprises a new and distinct cultivar of Chrysanthemum morifolium, Ramat., hereinafter referred to by the cultivar name Jasmine (#73038A52). 
     Jasmine is a product of planned sport induction program which had the objective of expanding the color range of the parental cultivar, Jade (#73038052), disclosed in our pending U.S. Plant patent application filed Aug. 6, 1976, Ser. No. 712,192 (now U.S. Plant Pat. No. 4,123). 
     Jasmine was discovered and selected by William E. Duffett and Walter H. Jessel, Jr. on Aug. 25, 1976 as one plant within a flowering block of Jade in a controlled environment in Barberton, Ohio. Plants within the flowering block were derived from stock plants which had been irradiated as rooted cuttings with an x-ray source of 1800 r units. 
     The first act of asexual reproduction of Jasmine was accomplished when vegetative cuttings were taken from the initial selection in December, 1976, in a controlled environment in Barberton, Ohio by a technician working under formulations established and supervised by Walter H. Jessel, Jr. and William E. Duffett. Horticultural examination of selected units initiated Aug. 25, 1976 has demonstrated that the combination of characteristics as herein disclosed for Jasmine are firmly fixed and are retained through successive generations of asexual reproduction. 
     Jasmine has not been observed under all possible environmental conditions. The phenotype may vary significantly with variations in environment such as temperature, light intensity, and day length. The following observations, measurements, and comparisons describe plants grown in Barberton, Ohio under greenhouse environmental conditions which approximate those generally used in commercial practice, as described in Chart A which appears at the end of the present specification. A light intensity chart of general use is shown in ASHAE Trans., Vol. 64, page 64, and reference is made thereto. 
     The following traits have been repeatedly observed and are determined to be basic characteristics of Jasmine which in combination distinguish this chrysanthemum as a new and distinct cultivar: 
     1. Flat capitulum form, reflexing slightly at full maturity. 
     2. Spider capitulum type. 
     3. Medium yellow ray floret color. 
     4. Diameter across face of capitulum from 140 to 160 mm. at maturity. 
     5. Uniform nine week flowering response to photoperiodic short-day control. 
     6. Medium plant height (requires 1-2 long day weeks prior to pinch and short days and one application 2500 ppm B-9 SP 14 to 21 days after the beginning of short days to attain a flowered plan height of 30 to 45 cm.). 
     7. Semi-spreading branching pattern. 
    
    
     The accompanying color photographic drawing shows typical inflorescence and foliage characteristics of Jasmine. Color representations are as nearly true as possible with illustrations of this type. 
    
    
     Of the many commercial cultivars known to the present inventors, the most similar existing cultivar in comparison to Jasmine is the parental cultivar, Jade. Reference is made to attached Chart B which compares certain characteristics of Jade with the same characteristics of Jasmine. As noted in Chart B, the primary distinguishing characteristic of Jasmine in comparison to Jade is that of ray floret color. All other characteristics of Jasmine are similar to those same characteristics of Jade. 
     In the following description, color references are made to The Munsell Limit Color Cascade, 1972 edition. The color values were determined between 8:30 and 9:00 AM on Mar. 21, 1977 under 150 foot-candle light intensity at Barberton, Ohio. 
     Botanical classification: Chrysanthemum morifolium, Ramat., cv Jasmine. 
     INFLORESCENCE 
     Capitulum: 
     Form.--Flat, reflexing slightly with age. 
     Type.--Spider. 
     Diameter across face.--140 to 160 mm. 
     Corolla of ray florets: 
     Color (abaxial).--25-6 to 25-5. 
     Color (adaxial).--26-4 to 26-3. 
     Reproductive organs: 
     Androecium.--Present disc florets only; scant to numerous; slight pollen. 
     Gynoecium.--Present both ray and disc florets. 
     PLANT 
     General appearance: Semi-spreading branching pattern; medium height. 
     Foliage: 
     Color (abaxial).--Approximately 20-15. 
     Color (adaxial).--Approximately 21-15 overlaid with white. 
     
                                           CHART A                                 
__________________________________________________________________________
AVERAGE GREENHOUSE CHRYSANTHEMUM ENVIRONMENTS                             
USED FOR BARBERTON, OHIO                                                  
TEMPERATURES USED                                                         
          Bright                                                          
              Cloudy                                                      
                  LIGHTING                                                
                          BLACK CLOTH                                     
                                   SUPP                                   
SEASON                                                                    
      Night                                                               
          Day Day USED    USED     CO.sub.2                               
__________________________________________________________________________
      65° F                                                        
          65° F                                                    
              60° F                                                
                  2 to 4 weeks                                            
                          To Sept. 15                                     
                                   From                                   
                  at 3 Hours Per                                          
                          on - 5:30 PM                                    
                                   Oct 15                                 
FALL  to  to  to  Night                                                   
      56° F                                                        
          80° F                                                    
              75° F                                                
                  of 7-10 f.c.                                            
                          Off - 7:30 AM                                   
                                   300 ppm                                
      58° F                                                        
          65° F                                                    
              60° G                                                
                  2 to 5 weeks                                            
                  at 5 Hours Per                                          
WINTER                                                                    
      to  to  to  Night   None     300 ppm                                
      62° F                                                        
          70° F                                                    
              65° F                                                
                  of 7-10 f.c.                                            
      58° F                                                        
          65° F                                                    
              60° F                                                
                  2 to 4 weeks                                            
                          From Mar. 15                                    
                                   To                                     
                  at 5 Hours Per                                          
                          on - 5:30 PM                                    
                                   Apr. 15                                
SPRING                                                                    
      to  to  to  Night                                                   
      65° G                                                        
          80° F                                                    
              75° F                                                
                  of 7-10 f.c.                                            
                          Off - 7:30 AM                                   
                                   300 ppm                                
      62° F                                                        
          70° F                                                    
              65° F                                                
                  1 to 2 weeks                                            
                  at 3 Hours Per                                          
                          On - 6:00 PM                                    
SUMMER                                                                    
      to  to  to  Night   Off - 8:00 AM                                   
                                   NONE                                   
      68° F                                                        
          90° F                                                    
              75° F                                                
                  of 7-10 f.c.                                            
__________________________________________________________________________
 
    
     
                                           CHART B                                 
__________________________________________________________________________
COMPARISON OF JASMINE AND JADE                                            
           Diameter Across     Flowering                                  
                                     Capitulum                            
     Ray Floret                                                           
           Face Of  Plant                                                 
                         Branching                                        
                               Response                                   
                                     Form and                             
Cultivar                                                                  
     Color Capitulum                                                      
                    Height                                                
                         Pattern                                          
                               Period                                     
                                     Type                                 
__________________________________________________________________________
Jasmine                                                                   
     Medium                                                               
           140 to 160 mm.                                                 
                    Medium                                                
                         Semi-       Flat                                 
     Yellow              spreading                                        
                               9 week                                     
                                     Spider                               
Jade White 140 to 165 mm.                                                 
                    Medium                                                
                         Semi- 9 week                                     
                                     Flat                                 
                         spreading   Spider                               
__________________________________________________________________________
 COMPARISONS MADE OF PLANTS GROWN IN A GREENHOUSE IN BARBERTON, OHIO UNDER
 ENVIRONMENTAL CONDITIONS AS DESCRIBED IN CHART A.