USPP11135P - Strawberry plant named `Tamar` - Google Patents

Strawberry plant named `Tamar` Download PDF

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USPP11135P
USPP11135P US08/970,692 US97069297V US11135P US PP11135 P USPP11135 P US PP11135P US 97069297 V US97069297 V US 97069297V US 11135 P US11135 P US 11135P
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tamar
early
fruit
variety
strawberry
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Eva Izsak
Shamai Izhar
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STATE OF ISRAEL
Israel Ministry of Agriculture and Rural Development
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Israel Ministry of Agriculture and Rural Development
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
    • A01H6/74Rosaceae, e.g. strawberry, apple, almonds, pear, rose, blackberries or raspberries
    • A01H6/7409Fragaria, i.e. strawberries
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H5/00Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/08Fruits

Definitions

  • the present invention relates to a new and distinct variety of strawberry (Fragaria L.) called ⁇ Tamar ⁇ .
  • This new variety was developed from an organized scientifically designated breeding program, carried out at the Agricultural Research Organization, the Volcani Center, Bet Dagan, Israel. This new variety originated as a single seedling selected from a seedling population obtained from crosses between the strawberry varieties ⁇ Oso Grande ⁇ (U.S. Plant Pat. No. 6,578) and ⁇ Dorit ⁇ and was asexually vegetatively propagated at Bet Dagan, Israel, through runners and the propagation ran true.
  • the new variety ⁇ Tamar ⁇ is able to grow in September and produce fruit starting in November and lasting until summer.
  • the production of fruit beginning in November (Northern Hemisphere, latitude 30-33 degrees) is two months earlier than short day varieties of Fragaria L. known to applicants.
  • the fruit of the ⁇ Tamar ⁇ variety is characterized by good taste, good shape and good size.
  • FIG. 1 Photograph of the ⁇ Tamar ⁇ variety, illustrating the fruits.
  • FIG. 2 Photograph of the ⁇ Tamar ⁇ variety, illustrating a cross-section of the fruits.
  • FIG. 3 Photograph of the ⁇ Tamar ⁇ variety, illustrating the entire plant with foliage, flowers and fruit.
  • ⁇ Tamar ⁇ was grown in winter, under polyethylene tunnels in Israel.
  • ⁇ Tamar ⁇ is an infra short day variety flowering earlier than short days type strawberry varieties.
  • Infra-Short-Day (I.S.D) varieties are defined as varieties which initiate flower bud primordia under long light regimes of 13-14 hours at the time that temperatures are about 22° C., compared to strawberry types classified as short-day or day-neutral, that do not initiate flower bud primordia under above-mentioned conditions, thus resulting in early flowering and fruit production.
  • the plants are grown in polyethylene tunnels to prevent malformation of the fruit that can be caused by wind and rain. Flowering and fruit production are not affected by the use of polyethylene tunnels.
  • Plants were stored at 0° C. January through April. They were then planted in the nursery without further treatment. Runners with plantlets were produced during summer. These young plantlets were collected from the nursery in September and transferred to raised beds. Average temperatures at that time of the year are 30° C. during the day and 22° C. at night. Water and fertilizers were applied through drip irrigation.
  • An example of an optimum planting date is between September 5 and 15, with the approximate date of flowering on October 5-15, and the approximate date of first fruiting on November 5-15.
  • Flowering is not induced by chilling, but by natural exposure to short day length (long nights) characteristic of late fall and early winter.
  • Fruit shape of ⁇ Tamar ⁇ is similar to the strawberry variety ⁇ Dorit ⁇ (U.S. Plant Pat. No. 7,869).
  • the fruit is longer than broad, with primary, secondary and tertiary fruit possessing almost similar shape (Table 2).
  • the fruit is of medium firmness with a red color (Table 2).
  • ⁇ Tamar ⁇ is based on the test guidelines for Fragaria L. of the International Union for the Protection of New Plant Varieties (UPOV). Only characteristics which are relevant for comparing varieties are listed; for example, there are no varietal differences acknowledged in the characteristic "color of lower side of leaf”.
  • the Time of beginning of Flowering is scaled as from “very early” to “very late”. "Very early” is defined as approximately the first week of October under the prevailing conditions, while “very late” is defined as approximately the first week of December. ⁇ Tamar ⁇ is scaled as “very early to early”, while ⁇ Dorit ⁇ is between “very early to early” and “early”, and ⁇ Oso Grande ⁇ is "late to very late”.
  • the Time of first Ripening is scaled as from “very early” to “very late”. "Very early” is defined as approximately the first week of November, while “very late” is defined as approximately the first week of January.
  • ⁇ Tamar ⁇ is scaled as "very early to early”, while ⁇ Dorit ⁇ is between “very early to early” and “early”, and ⁇ Oso Grande ⁇ is "late to very late”.
  • the shape of ⁇ Tamar ⁇ fruit is similar to that of the variety ⁇ Dorit ⁇ .
  • the time of beginning of ripening for ⁇ Tamar ⁇ fruit is near the end of November.
  • the time of ripening for ⁇ Ofra ⁇ (infra short day U.S Plant Pat. No. 8,746) fruit is "very early”.
  • the time of ripening for ⁇ Dorit ⁇ infra short day U.S. Plant Pat. No. 7,869, fruit is between "very early to early” and “early”.
  • the time of ripening for ⁇ Chandler ⁇ short-day U.S. Plant Pat. No. 5,262, fruit is "very late”.

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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)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

A new and distinct variety of strawberry (Fragaria L.) called 'Tamar' is a cross between 'Oso Grande' and 'Dorit', and flowers "very early to early" on a scale of "very early" to "very late".

Description

FIELD OF THE INVENTION
The present invention relates to a new and distinct variety of strawberry (Fragaria L.) called `Tamar`.
BACKGROUND
This new variety was developed from an organized scientifically designated breeding program, carried out at the Agricultural Research Organization, the Volcani Center, Bet Dagan, Israel. This new variety originated as a single seedling selected from a seedling population obtained from crosses between the strawberry varieties `Oso Grande` (U.S. Plant Pat. No. 6,578) and `Dorit` and was asexually vegetatively propagated at Bet Dagan, Israel, through runners and the propagation ran true.
SUMMARY OF THE INVENTION
The new variety `Tamar` is able to grow in September and produce fruit starting in November and lasting until summer. The production of fruit beginning in November (Northern Hemisphere, latitude 30-33 degrees) is two months earlier than short day varieties of Fragaria L. known to applicants. The fruit of the `Tamar` variety is characterized by good taste, good shape and good size.
BRIEF DESCRIPTION OF THE FIGURES
FIG. 1: Photograph of the `Tamar` variety, illustrating the fruits.
FIG. 2: Photograph of the `Tamar` variety, illustrating a cross-section of the fruits.
FIG. 3: Photograph of the `Tamar` variety, illustrating the entire plant with foliage, flowers and fruit.
DETAILED BOTANICAL DESCRIPTION OF THE INVENTION
The `Tamar` variety was grown in winter, under polyethylene tunnels in Israel. `Tamar` is an infra short day variety flowering earlier than short days type strawberry varieties. Infra-Short-Day (I.S.D) varieties are defined as varieties which initiate flower bud primordia under long light regimes of 13-14 hours at the time that temperatures are about 22° C., compared to strawberry types classified as short-day or day-neutral, that do not initiate flower bud primordia under above-mentioned conditions, thus resulting in early flowering and fruit production. The plants are grown in polyethylene tunnels to prevent malformation of the fruit that can be caused by wind and rain. Flowering and fruit production are not affected by the use of polyethylene tunnels.
This production procedure is utilized in normal agricultural practices by the skilled artisan and does not involve temperature or light control. Plants were stored at 0° C. January through April. They were then planted in the nursery without further treatment. Runners with plantlets were produced during summer. These young plantlets were collected from the nursery in September and transferred to raised beds. Average temperatures at that time of the year are 30° C. during the day and 22° C. at night. Water and fertilizers were applied through drip irrigation.
An example of an optimum planting date is between September 5 and 15, with the approximate date of flowering on October 5-15, and the approximate date of first fruiting on November 5-15. Flowering is not induced by chilling, but by natural exposure to short day length (long nights) characteristic of late fall and early winter.
Strawberry plants in general are self-fertile, as is `Tamar`; no pollinator is needed as pollination is brought about by insects and wind.
Color readings described herein were taken under natural light conditions and color identifications were made by reference to The Royal Horticultural Society Colour Chart (R.H.S.C.C.) except where common terms of color definition are employed.
The pertinent characteristics of the present invention are presented in Table 1 and Table 2. Additionally, the variety `Tamar` (1) has no tendency toward fruit malformation; (2) disease resistance appears normal in that no particular problematic conditions arose during trials; and (3) the type of bearing is not remontant, i.e. `Tamar` blooms continuously during late fall and winter.
Fruit shape of `Tamar` is similar to the strawberry variety `Dorit` (U.S. Plant Pat. No. 7,869). The fruit is longer than broad, with primary, secondary and tertiary fruit possessing almost similar shape (Table 2). The fruit is of medium firmness with a red color (Table 2).
The variety `Tamar` flowers two months earlier than known short-day strawberry varieties. A close known variety would be `Dorit` U.S. Plant Pat. No. 7,869 (Table 1); also see the new varieties mentioned in: U.S. Plant Pat. No. 7,881 (`Sharon`); U.S. Plant Pat. No. 7,876 (`Shalom`); U.S. Plant Pat. No. 7,865 (`Smadar`); U.S. Plant Pat. No. 8,746 (`Ofra`); U.S. Plant Pat. No. 8,748 (`Virginia`); U.S. Plant Pat. No. 8,747 (`Nama`). Additionally, early flowering results in early fruit production. Total Soluble Solids (T.S.S), percent acidity, aroma evaluation and taste are presented in Table 4, by comparing to the varieties listed in Table 3.
              TABLE 1                                                     
______________________________________                                    
PLANT CHARACTERISTICS OF TAMAR                                            
MORPHOLOGICAL                                                             
TRAIT                                               DESCRIPTION           
______________________________________                                    
Classification      Botanical                                             
                    Fragaria L. Plant                                     
1)  Height                                         16-19 cm               
2)  Diameter                                    31-34 cm                  
3)  Habit                                           Globose               
4)  Density                                       Dense                   
5) Vigor                                              Medium              
Leaf:                                                                     
1)  Length                                         21-23 cm               
2)  Width                                           14-16 cm              
3)  Green color of Upper Side                                             
                              Medium RHS ca. 147 AB                       
4)  Blistering                                 Medium                     
5)  Cross section                           Concave                       
6) No. of leaflets                        Sometimes >3                    
Petiole                                                                   
1) Length                                           12-14 cm              
2) Thickness                                     3-4 mm                   
3) Pubescence                                   Medium                    
4) Green Color                                 Light RHS ca. 144 B        
Terminal leaflet                                                          
1) Length/Width ratio                                                     
                                        Longer that broad                 
2) Shape of base                             Obtuse                       
3) Shape of Teeth                           Rounded                       
4) Length                                           5-8 cm                
5) Width                                             5-7 cm               
Calyx                                                                     
1) Diameter of Primary Calyx                                              
                               30-50 mm                                   
2) Diameter of Secondary Calyx                                            
                              30-42 mm                                    
3) Diameter of Tertiary Calyx                                             
                               20-30 mm                                   
4) Size of Inner Calyx in                                                 
                    same size                                             
   relation to Outer Calyx                                                
Flower                                                                    
1) Diameter of Primary Flower                                             
                              25-30 mm                                    
2) Diameter of Secondary Flower                                           
                             22-29 mm                                     
3) Diameter of Tertiary Fiower                                            
                              21-28 mm                                    
4) Spacing of petals                                                      
                                         Overlapping                      
5) Petal length                               11-12 mm                    
6) Petal width                                 10-16 mm                   
7) Petal length/width                                                     
                                        Broader than long                 
8) Time of beginning of flowering                                         
                           Very early to early                            
9) Fragrance                                    None                      
Stolon                                                                    
1) Number per Plant                       ca. 15                          
2) Thickness                                     3.5-4 mm                 
3) Pubescence                                   Weak                      
4) Anthocyanin coloration                                                 
                                    Absent or very weak                   
Inflorescence                                                             
1) Position relative to foliage                                           
                              Above                                       
2) Peduncle length                         ca. 11 cm                      
3) Peduncle thickness                                                     
                                        ca. 3 mm                          
4) Peduncle color                           Light green RHS ca. 144C      
5) Peduncle pubescence                                                    
                                       medium dense                       
______________________________________                                    
The description of `Tamar` is based on the test guidelines for Fragaria L. of the International Union for the Protection of New Plant Varieties (UPOV). Only characteristics which are relevant for comparing varieties are listed; for example, there are no varietal differences acknowledged in the characteristic "color of lower side of leaf".
The Time of beginning of Flowering is scaled as from "very early" to "very late". "Very early" is defined as approximately the first week of October under the prevailing conditions, while "very late" is defined as approximately the first week of December. `Tamar` is scaled as "very early to early", while `Dorit` is between "very early to early" and "early", and `Oso Grande` is "late to very late".
Strawberry plants have dichotome inflorescences, thus producing one primary, two secondary and four tertiary flowers per inflorescence. Flowers of higher order do not normally produce commercial fruit.
              TABLE 2                                                     
______________________________________                                    
FRUIT CHARACTERISTICS OF TAMAR                                            
CHARACTERISTIC      DESCRIPTION                                           
______________________________________                                    
Time of first ripening                                                    
                    Very early to early                                   
Primary Fruit                                                             
1) Length                                           50-57 mm              
2) Width                                           45-60 mm               
3) Shape                                             Conical              
4) Weight                                           ca. 45 g              
Secondary Fruit                                                           
1) Length                                           48-55 mm              
2) Width                                             38-43 mm             
3) Shape                                             Conical              
4) Weight                                           ca. 34 g              
Tertiary Fruit                                                            
1) Length                                           44-51 mm              
2) Width                                             35-37 mm             
3) Shape                                             Conical              
4) Weight                                           ca. 24 g              
Fruit                                                                     
Band without achenes                                                      
                                       narrow                             
Unevenness of surface                                                     
                                      Absent or very weak                 
Color                                                 Red 44A             
Evenness of color                         Even                            
Glossiness                                       Strong                   
Insertion of achenes                                                      
                                       Level with surface                 
Insertion of calyx                       In a basin                       
Pose of calyx segments                                                    
                                    Clasping or detached                  
Size of calyx in relation                                                 
                    Smaller or larger                                     
to fruit diameter                                                         
Adherence of calyx                       Strong                           
Firmness                                          Medium                  
Color of Flesh                               Orange red 43B               
Evenness of flesh color                                                   
                                    Uneven                                
Sweetness                                         Strong                  
Acidity                                             Medium                
______________________________________                                    
The Time of first Ripening, approximately one month after beginning of flowering, is scaled as from "very early" to "very late". "Very early" is defined as approximately the first week of November, while "very late" is defined as approximately the first week of January. `Tamar` is scaled as "very early to early", while `Dorit` is between "very early to early" and "early", and `Oso Grande` is "late to very late". The shape of `Tamar` fruit is similar to that of the variety `Dorit`.
              TABLE 3                                                     
______________________________________                                    
COMPARATIVE YIELD OF TAMAR.sup.a                                          
November    December January February                                     
                                    March April                           
______________________________________                                    
   Tamar                                                                  
                60       60    80     120   120                           
Dorit                 70       100                                        
                                     100                                  
                                           100                            
                                                100                       
Ofra                  60             100                                  
                                           100                            
                                                100                       
Chandler                                                                  
                        0 0                                               
                               30                                         
                                     150                                  
                                           150                            
                                                120                       
______________________________________                                    
                    Note:                                                 
 .sup.a Average yield in g/m.sup.2, in Ramat Hadar, Israel.               
The time of beginning of ripening for `Tamar` fruit is near the end of November. The time of ripening for `Ofra` (infra short day U.S Plant Pat. No. 8,746) fruit is "very early". The time of ripening for `Dorit` infra short day U.S. Plant Pat. No. 7,869, fruit is between "very early to early" and "early". The time of ripening for `Chandler` short-day U.S. Plant Pat. No. 5,262, fruit is "very late".
              TABLE 4                                                     
______________________________________                                    
COMPARATIVE FRUIT CHARACTERISTICS OF TAMAR                                
       T.S.S..sup.a                                                       
               Acidity.sup.b                                              
                       Aroma.sup.c                                        
                                 Taste                                    
______________________________________                                    
Tamar    9.5-11.0  1.1     5       Very good                              
Dorit          8.5-9.5                                                    
                                   5                                      
                                           Good                           
Ofra            8.0-9.5                                                   
                                   4                                      
                                           Good                           
Chandler    6.5-7.5                                                       
                                   4                                      
                                           Slightly acidic                
______________________________________                                    
 Notes:                                                                   
 .sup.a Total Soluble Solids (Sugars) expresses fruit sweetness and was   
 determined with a refractometer; for strawberry fruit a T.S.S. of 14.0 is
 very sweet, while below 6.5 is not sweet.                                
 .sup.b Percent of acidity was determined as follows: 2 cc of juice extrac
 was mixed with 20 cc of water. Five drops of phenolphthalein were added  
 and the mixture was titrated with NaOH. The percent acidity is calculated
 as the quantity of NaOH (cc) × 0.32.                               
 .sup.c The aroma value is a subjective expression obtained by tasting,   
 using a scale from 1 (no aroma) to 5 (strong aroma).                     

Claims (1)

What is claimed is:
1. A new distinct variety of strawberry plant substantially as illustrated and described and distinguished as being able to grow in September and produce fruit starting in November and lasting until summer, with fruit having a good taste and shape.
US08/970,692 1997-11-14 1997-11-14 Strawberry plant named `Tamar` Expired - Lifetime USPP11135P (en)

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Owner name: STATE OF ISRAEL, ISRAEL

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:IZSAK, EVA;IZHAR, SHAMAI;REEL/FRAME:009024/0058

Effective date: 19971106