USPP27774P3 - Nectarine tree named ‘NECTARELSE’ - Google Patents

Nectarine tree named ‘NECTARELSE’ Download PDF

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USPP27774P3
USPP27774P3 US14/757,159 US201514757159V USPP27774P3 US PP27774 P3 USPP27774 P3 US PP27774P3 US 201514757159 V US201514757159 V US 201514757159V US PP27774 P3 USPP27774 P3 US PP27774P3
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Arsène Maillard
Laurence Maillard
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Agro Selection Fruits SARL
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  • Botanical classification Prunus persica (L.) Batsch.
  • the present invention relates to a new and distinct variety of white nectarine tree, Prunus persica (L.) Batsch, which has been given the variety denomination ‘NECTARELSE’.
  • This new tree produces fruits with a long shelf life without alteration both on the tree after growth completion and after harvesting, very good eating quality, clingstone white flesh fruits with red pigmentation for fresh market in October in the Pyrénées-Orientales department, France. Contrast is made to ‘0322E82NB’ white nectarine tree (U.S. Plant Pat. No. 26,768) for reliable description.
  • ‘NECTARELSE’ is a promising candidate for commercial success in that it has very attractive fruits with very long shelf life without alteration both before and after harvesting.
  • the ‘NECTARELSE’ white nectarine tree originated from a cultivated area of the south of France, in the Pyrénées-Orientales department, where it was tested.
  • This place is under a Mediterranean climate (a temperate area), on the Mediterranean coastline. Winters are gentle and summers warm and dry. The amount of days with temperatures below 7° Celsius can vary between 600 and 1200 hours per year. The place is sunny, with 2400 to 2800 hours of sunny days per year on average. The prevailing wind is called ‘Tramontane’: it dries the air, clears the sky from clouds, but its intensity can be strong and affect the harvest, fruit quantity and/or quality. Marine moisture does not affect the place. Precipitations are irregular through the year and from one year to another. The amount of rainy days does not exceed 80 days per year, and are mostly found in Spring and Autumn. In May and October, very intense precipitations occasionally happen. Summer is dry with a few thunderstorms.
  • the ‘NECTARELSE’ variety resulted from a pollinated cross between the ‘NECTAVANTOP’ (U.S. Plant Pat. No. 22,493) yellow nectarine tree, which was used as the seed parent, and the ‘NECTARCRISP’ (U.S. Plant Pat. No. 19,384) white nectarine tree which was used as the pollen parent.
  • the ‘NECTARELSE’ variety was obtained by hybridizing and propagated by grafting on a “INRAGF677” rootstock trees. It has been determined to have unique tree and fruit characteristics making it worthy for commercial fresh fruit production. There are no known effects of the standard rootstock trees set forth above on the scion cultivar. Asexually propagated plants remained true to the original tree and all characteristics of the tree and the fruit were transmitted. The plant was reproduced asexually by us in Les Rlichines, Route d'Alenya, La Prade de Mousseillous, 66200 ELNE, Pyrénées-Orientales, France. More particularly, the plant was reproduced by grafting.
  • the new and distinct variety ‘NECTARELSE’ white nectarine tree blooms in March near Elne in the Pyrénées-Orientales department, France. More particularly, it blooms between March 10 th and March 31 th . The blooming period is considered late to very late. However, it was observed that its early date of blooming seems to be highly dependant on climatic conditions.
  • the first fruit of ‘NECTARELSE’ ripens generally at the end of September or early in October, approximately 1 week earlier than the ripening of the first fruit of ‘0322E82NB’ white nectarine tree (U.S. Plant Pat. No. 26,768). More particularly, it usually ripens between September 11 th and October 4 th . Thus, the time of maturity of fruits for consumption is considered very late. However, it was observed that its early date of maturity seems to be highly dependant on climatic conditions.
  • FIG. 1 is a color photograph which shows four typical specimens of the fruit, one having been cut in half with the pit being left into one of the halves for depicting fruit flesh and pit of the new variety.
  • FIG. 2 is a color photograph showing a close view of typical fruits of the new variety ‘NECTARELSE’ at ripening time.
  • FIG. 3 is a color photograph which depicts the flower buds at different development stages, and the reverse and side view of the flower and the reproductive organs with petals removed, of the new variety.
  • FIG. 4 is a color photograph that shows different views of the stone and kernel of the new variety ‘NECTARELSE’.
  • the tree, flowers, and fruit may vary in slight detail due to variations in soil type, cultural practices, and climatic condition.
  • the potential for commercial production of fresh fruits by ‘NECTARELSE’ is high, due to fruit very long shelf life without alteration after harvesting.
  • Trees are medium vigorous and large stature half-standing in a semi-flared to semi-upright out aspect.
  • the anthocyanic coloration of flowering shoot is present excluding brushwood side away from sun.
  • the time of beginning of flowering is considered late to very late; flowering begins in mid-March.
  • the type of flower is showy (rosette) with large petal size.
  • Petals are pale pink.
  • Leaf glands are present and reniform.
  • the fruit flesh is white generally with a red pigmentation in a star-shape around and into the stone cavity.
  • the fruit skin is very thick, with a purple blush on a cream red background.
  • the stone is clingstone and the size is medium.
  • Fruit taste is semi-sweet, very aromatic and with a high level of sugars.
  • ‘NECTARELSE’ ripens approximately 7 days earlier. Moreover, the fruits of ‘NECTARELSE’ are of size AA-A whereas the fruits of ‘0322E82NB’ are of uniform size AA. ‘NECTARELSE’ variety shows a luminous red skin color covering 70% of the fruit on a cream-colored background. The fruits of ‘0322E82NB’ variety show a skin with 80% of a luminous red on a pink beige background. Finally, the fruits of ‘NECTARELSE’ consumed crunchy or melting whereas the fruits of ‘0322E82NB’ variety are preferably consumed very crunchy.
  • NECTAVANTOP U.S. Plant Pat. No. 22,493
  • NECTARELSE white nectarine tree
  • the time of maturity of the fruits are also different between the new variety and its female parent; the fruits of ‘NECTARELSE’ variety ripen 1 month to 6 weeks later than the fruits of ‘NECTAVANTOP’ variety.
  • ‘NECTAVANTOP’ is considered to have a medium season of maturity whereas ‘NECTARELSE’ variety has a late to very late maturity period.
  • the new variety male parent which is ‘NECTARCRISP’ (U.S. Plant Pat. No. 19,384), ripens at the end of August or early in September.
  • NECTARCRISP U.S. Plant Pat. No. 19,384
  • ripens at the end of August or early in September In comparison, the first fruits of the new variety ‘NECTARELSE’ ripen at the end of September or early in October.

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Abstract

A new and distinct variety of white nectarine tree denominated ‘NECTARELSE’ has fruits with high eating quality and very long shelf life without alteration before and after harvesting, with a semi-sweet white flesh comprising a red pigmentation along the pistil conduct, into the stone cavity and star-shaped around this cavity, and an attractive luminous skin with a high percentage of purple red blush on skin surface.

Description

Botanical classification: Prunus persica (L.) Batsch.
Variety denomination: ‘NECTARELSE’.
This application claims priority of Community plant variety right No. 2014/3174 filed on Nov. 27, 2014 which is hereby incorporated by reference in its entirety.
BACKGROUND OF THE NEW VARIETY
The present invention relates to a new and distinct variety of white nectarine tree, Prunus persica (L.) Batsch, which has been given the variety denomination ‘NECTARELSE’. This new tree produces fruits with a long shelf life without alteration both on the tree after growth completion and after harvesting, very good eating quality, clingstone white flesh fruits with red pigmentation for fresh market in October in the Pyrénées-Orientales department, France. Contrast is made to ‘0322E82NB’ white nectarine tree (U.S. Plant Pat. No. 26,768) for reliable description. ‘NECTARELSE’ is a promising candidate for commercial success in that it has very attractive fruits with very long shelf life without alteration both before and after harvesting.
ORIGIN OF THE VARIETY
The ‘NECTARELSE’ white nectarine tree originated from a cultivated area of the south of France, in the Pyrénées-Orientales department, where it was tested.
This place is under a Mediterranean climate (a temperate area), on the Mediterranean coastline. Winters are gentle and summers warm and dry. The amount of days with temperatures below 7° Celsius can vary between 600 and 1200 hours per year. The place is sunny, with 2400 to 2800 hours of sunny days per year on average. The prevailing wind is called ‘Tramontane’: it dries the air, clears the sky from clouds, but its intensity can be strong and affect the harvest, fruit quantity and/or quality. Marine moisture does not affect the place. Precipitations are irregular through the year and from one year to another. The amount of rainy days does not exceed 80 days per year, and are mostly found in Spring and Autumn. In May and October, very intense precipitations occasionally happen. Summer is dry with a few thunderstorms.
The ‘NECTARELSE’ variety resulted from a pollinated cross between the ‘NECTAVANTOP’ (U.S. Plant Pat. No. 22,493) yellow nectarine tree, which was used as the seed parent, and the ‘NECTARCRISP’ (U.S. Plant Pat. No. 19,384) white nectarine tree which was used as the pollen parent.
The ‘NECTARELSE’ variety was obtained by hybridizing and propagated by grafting on a “INRAGF677” rootstock trees. It has been determined to have unique tree and fruit characteristics making it worthy for commercial fresh fruit production. There are no known effects of the standard rootstock trees set forth above on the scion cultivar. Asexually propagated plants remained true to the original tree and all characteristics of the tree and the fruit were transmitted. The plant was reproduced asexually by us in Les Régalines, Route d'Alenya, La Prade de Mousseillous, 66200 ELNE, Pyrénées-Orientales, France. More particularly, the plant was reproduced by grafting.
SUMMARY OF THE VARIETY
The new and distinct variety ‘NECTARELSE’ white nectarine tree blooms in March near Elne in the Pyrénées-Orientales department, France. More particularly, it blooms between March 10th and March 31th. The blooming period is considered late to very late. However, it was observed that its early date of blooming seems to be highly dependant on climatic conditions.
The first fruit of ‘NECTARELSE’ ripens generally at the end of September or early in October, approximately 1 week earlier than the ripening of the first fruit of ‘0322E82NB’ white nectarine tree (U.S. Plant Pat. No. 26,768). More particularly, it usually ripens between September 11th and October 4th. Thus, the time of maturity of fruits for consumption is considered very late. However, it was observed that its early date of maturity seems to be highly dependant on climatic conditions.
DESCRIPTION OF THE DRAWINGS
In the accompanying drawing, which are as nearly true as it is reasonably possible to make in a color illustration of this type:
FIG. 1 is a color photograph which shows four typical specimens of the fruit, one having been cut in half with the pit being left into one of the halves for depicting fruit flesh and pit of the new variety.
FIG. 2 is a color photograph showing a close view of typical fruits of the new variety ‘NECTARELSE’ at ripening time.
FIG. 3 is a color photograph which depicts the flower buds at different development stages, and the reverse and side view of the flower and the reproductive organs with petals removed, of the new variety.
FIG. 4 is a color photograph that shows different views of the stone and kernel of the new variety ‘NECTARELSE’.
Due to chemical development, processing and printing, the leaves and fruit depicted in these photographs may or may not be accurate when compared to the actual botanical specimen.
DETAILED BOTANICAL DESCRIPTION
The tree, flowers, and fruit may vary in slight detail due to variations in soil type, cultural practices, and climatic condition. The potential for commercial production of fresh fruits by ‘NECTARELSE’ is high, due to fruit very long shelf life without alteration after harvesting.
Trees are medium vigorous and large stature half-standing in a semi-flared to semi-upright out aspect. The anthocyanic coloration of flowering shoot is present excluding brushwood side away from sun. The time of beginning of flowering is considered late to very late; flowering begins in mid-March. The type of flower is showy (rosette) with large petal size. Petals are pale pink. Leaf glands are present and reniform. The fruit flesh is white generally with a red pigmentation in a star-shape around and into the stone cavity. The fruit skin is very thick, with a purple blush on a cream red background. The stone is clingstone and the size is medium. Fruit taste is semi-sweet, very aromatic and with a high level of sugars.
Compared to ‘0322E82NB’ white nectarine tree (U.S. Plant Pat. No. 26,768), ‘NECTARELSE’ ripens approximately 7 days earlier. Moreover, the fruits of ‘NECTARELSE’ are of size AA-A whereas the fruits of ‘0322E82NB’ are of uniform size AA. ‘NECTARELSE’ variety shows a luminous red skin color covering 70% of the fruit on a cream-colored background. The fruits of ‘0322E82NB’ variety show a skin with 80% of a luminous red on a pink beige background. Finally, the fruits of ‘NECTARELSE’ consumed crunchy or melting whereas the fruits of ‘0322E82NB’ variety are preferably consumed very crunchy.
Compared to its female parent ‘NECTAVANTOP’ (U.S. Plant Pat. No. 22,493) which is a yellow nectarine tree, the new variety ‘NECTARELSE’ is a white nectarine tree. The time of maturity of the fruits are also different between the new variety and its female parent; the fruits of ‘NECTARELSE’ variety ripen 1 month to 6 weeks later than the fruits of ‘NECTAVANTOP’ variety. Thus, ‘NECTAVANTOP’ is considered to have a medium season of maturity whereas ‘NECTARELSE’ variety has a late to very late maturity period.
The new variety male parent, which is ‘NECTARCRISP’ (U.S. Plant Pat. No. 19,384), ripens at the end of August or early in September. In comparison, the first fruits of the new variety ‘NECTARELSE’ ripen at the end of September or early in October.
DETAILED DESCRIPTION
Referring more specifically to the pomological details of this new and distinct variety of white nectarine tree, the following was observed on trees in their fourth growing season (third year of production) for trees, fruits, leaves and stones and in their fifth growing season (fourth year of production) for flowers under the ecological conditions prevailing at the orchards located near the town of Elne, Pyrénées-Orientales departement, France. All observations have been done on rootstock cultivars. Used rootstocks were “INRA GF677” trees. All major color code designations are by reference to The R.H.S. Colour Chart (Fourth Edition) provided by The Royal Horticultural Society of Great Britain.
TREE
  • Size:
      • Generally.—Considered large. The tree size the first year was approximately 250 cm. The tree was pruned during each following dormant season to a height of approximately 250 cm. Current season shoots growth could reach 60 to 80 cm. The tree size from the second year (second and next years) reached a final height of 310 to 330 cm including current season shoots length. The tree size is consistently reduced to 250 cm the next years.
  • Spread: Approximately 100 cm with a cylindrical shape. The whole orchard was oriented to a central leader organization, with tree lines spaced of 4.0 meters and trees spaced of 1.0 meter in a same tree line. As a result, tree spread was about 100 cm and the orchard contained 2500 trees by hectare.
  • Vigor: Considered medium vigorous.
  • Productivity: Very Productive and regular, every year. Fruit set is spaced by thinning to develop the remaining fruit into the desired market sized fruit. The number of the fruit set varies with the prevailing climatic conditions and cultural practices employed during the bloom period, and is therefore not distinctive of the present variety.
  • Bearer: Very regular. The fruit distribution is considered homogenous on mixed branches and spurs having more than 1 year. Thinning of 1 fruit out of 3 was necessary for the tree valorisation. Thinning was necessary every year during the years of observation.
  • Form: The ‘NECTARELSE’ variety has naturally a semi-flared to semi-upright shape.
  • Density: Considered dense.
  • Hardiness: The present tree was grown and evaluated in France. The variety appears to be hardy under the central Pyrénées-Orientales departement typical climatic conditions. Experimentations on different sites with winter chilling requirement comprised between 350 hours and 1200 hours showed a good behaviour of the tree in all cases. No damages were caused by ascertained temperatures as low as −12 degrees Celsius in winter. The tree was also very resistant to frosty springtime weather.
TRUNK
  • Diameter: Between 6.5 and 7.2 centimeters in diameter when measured at a distance of approximately 30 centimeters above the soil level.
  • Bark texture: Considered rough, with lenticels.
  • Lenticels: Numerous lenticels are present. The number of lenticels reaches 2 or 3 lenticels per cm2. The lenticels range in size from approximately 3.0 millimeters to 5.0 millimeters in width, and approximately 2.5 to 3.0 millimeters in height.
  • Lenticel color: The outside of lenticels has a silver-grey color (RHS Grey 201 C), whereas the inside is considered brown (RHS Greyed Orange 165 A to RHS Greyed Orange 165 B).
  • Bark coloration: The bark has a silver-grey color (RHS Grey 201 C) slightly darker similar to the outside of lenticels color.
BRANCHES
  • Size: Mature branches and current season shoots are considered medium for the variety.
  • Diameter: Average as compared to other nectarine varieties. The current season shoots have a diameter from 4.0 to 6.0 millimeters, and mature branches have a diameter from 9.0 to 13.0 millimeters.
  • Surface texture: Average, wood which is several years old has no furrowed appearance.
  • Crotch angles: Primary branches are considered variable, but the crotch angles are generally between 50 degrees and 60 degrees from the horizontal axis. This particular characteristic is not considered distinctive of the variety, however.
  • Current season shoots:
  • Internode length: Generally between 22.0 and 30.0 millimeters.
  • Color of mature branches: Medium brown (RHS Grey Brown 199 A to RHS Grey Brown 199 B).
  • Current seasons shoots:
      • Color.—The color of new shoot tips is considered a pale yellow-green (RHS Yellow Green 144 A) on lower part of new shoot tips, whereas the upper part is darker and colored in brown-purple (RHS Greyed Purple 187 A).
LEAVES
  • Size: Considered medium for the species. The ratio leaf length/leaf width is 3.48.
  • Leaf length: Approximately 143.0 to 154.0 millimeters without leaf petiole. The medium length is 149.0 millimeters.
  • Leaf width: Approximately 35.0 to 47.0 millimeters. The medium width is 42.8 millimeters.
  • Leaf base shape: Concave.
  • Leaf form: Lanceolate.
  • Leaf tip form: Acuminate.
  • Leaf color:
      • Upper leaf surface.—Green (RHS Yellow Green 147 A).
      • Lower surface.—A lighter green (RHS Yellow Green 147 B) than the upper leaf surface color.
  • Leaf texture: Smooth and glabrous.
  • Leaf venation: Pinnately veined.
  • Mid-vein:
      • Color.—Light green, almost yellow (RHS Yellow Green 150 D). The color may evolve with maturity.
  • Leaf margins: Slightly undulating.
  • Form: Considered slightly dentate.
  • Uniformity: Leaves are isolated or grouped by 2 or 3. In this last case, one leaf of normal size is found with one or two smaller leaves (at least 50% smaller).
  • Leaf petioles:
      • Size.—Considered medium.
      • Length.—About 11.0 to about 14.0 millimeters.
      • Diameter.—About 1.5 to 2.0 millimeters.
  • Petioles color:
      • Upper petiole surface.—Light green (RHS Yellow Green 144 A to RHS Yellow Green 144 B).
      • Lower surface.—Light green (RHS Yellow Green 145 B).
  • Leaf glands:
      • Size.—Considered medium. Their length is about 1.5 millimeters and their width is about 1.0 millimeter.
      • Number.—Generally 2 glands per leaf.
      • Type.—Reniform.
      • Color.—On young leaves, leaf glands color is considered a light green (RHS Yellow Green 144 B to RHS Yellow Green 144 A). On older leaves, leaf glands color turns to a dark brown (RHS Grey Brown 199 A to RHS Grey Brown 199 B).
      • Margins.—Smooth and regular.
  • Leaf stipules:
      • Generally.—No leaf stipules were observed. But as seen in the characteristic relative to the leaves uniformity, it is possible to find leaves by groups of 2 or 3, with a normal-size leaf and smaller ones.
FLOWERS
  • Flower buds:
      • Generally.—At pre-floral stage of development, the floral buds are conic in form with a round tip. Their form is evolving until blooming, with variables dimensions. Just before blooming, floral buds are approximately 11.0 millimeters wide and approximately 18.0 millimeters long.
      • Color.—This characteristic is dependent upon the proximity to bloom. At pre-floral stage of development (stage A), the bottom of the flowers buds, formed by the sepals, is of purple-brown color (RHS Greyed Purple 183 A or RHS Greyed Purple 183 B or RHS Greyed Purple 183 C or RHS Greyed Purple 187 B and RHS Grey Brown Group 199 A at the base). The corolla, formed by the petals, is generally of medium pink color (RHS Red Purple 65 B). Petals color shows an evolution until the end of flowering.
  • Hardiness: The buds are considered hardy under typical central Pyrénées-Orientales departement climatic conditions. No winter injury was noted during the last several years of evaluation in the central Pyrénées-Orientales departement, with winter temperatures as low as −10 degrees Celsius in January. The current variety has not been intentionally subjected to drought or heat stress, but the variety showed a very good resistance in orchard to temperatures up to 42 degrees Celsius with an average temperature between 28 and 30 degrees Celsius during 3 weeks in summer.
  • Date of bloom: The blooming time generally begins around mid-March. The bloom was observed on 2013 between March 15th and March 29th.
  • Blooming time: Considered late-season in relative comparison to other commercial nectarine cultivars grown in the Pyrénées-Orientales departement, France. The date of full bloom is observed at the middle of the blooming period. The date of bloom varies slightly with climatic conditions and cultural practices. Thus the first full bloom was observed on 2013, from March 15th until March 29th, then from March 10th to Mar. 20, 2014 and from March 21th until Mar. 31, 2015.
  • Duration of bloom: Approximately 11 to 15 days. This characteristic varies slightly with the prevailing climatic conditions.
  • Flower type: The variety is considered to have a showy type flower (rosette type).
  • Flower size: Considered large. Flower diameter at full bloom is approximately 43.0 to 48.0 millimeters.
  • Bloom quantity: Considered very abundant, approximately between 45 and 50 flowers per meter, with a good distribution and a high rate of fruit set.
  • Flower bud frequency: Generally 2 flower buds appear per node, occasionally 1.
  • Petal size:
      • Generally.—Considered large.
  • Length: Generally between 21.0 and 23.0 millimeters.
  • Width: Generally between 19.0 and 22.0 millimeters.
  • Petal form: Round-shaped.
  • Petal count: Generally 5.
  • Petal texture: Smooth, soft and glabrous.
  • Petal color: Both surfaces of the petal are colored with a pale Pink (RHS Red Purple 69 B to RHS Red Purple 69 C) when young, becoming slightly darker until the end of blooming.
  • Fragrance: Sweet.
  • Petal claw:
      • Form.—The claw is considered to have a narrow form.
      • Length.—Approximately 2.0 millimeters.
      • Width.—Approximately 1.5 millimeters.
      • Color.—The color of petal claw is darker than the petal color (RHS Red Purple 61 B).
  • Petal margins: Slightly undulating.
  • Petal apex:
      • Generally.—The petal apices are generally wide dome-shaped.
  • Flower pedicel:
      • Length.—Considered medium to large and having an average length of approximately 2.5 millimeters.
      • Diameter.—Considered average, approximately 1.5 millimeters.
      • Color.—Green (RHS Yellow Green N144 A to RHS Yellow Green N144 B).
  • Calyx:
      • Internal surface texture.—Smooth and glabrous.
      • Color.—At the stage F of blooming, when the flower is open, the inner surface of the calyx is greenish yellow (RHS Yellow Group 13A to RHS Yellow Group 13B or Yellow Orange Group 17A or RHS Yellow Green 150 A to RHS Yellow Green 150 B). The outer surface of the calyx is considered of purple-brown color (RHS Greyed Purple 183 A or RHS Greyed Purple 183 B or RHS Greyed Purple 183 C or RHS Grey Purple 187 B and RHS Yellow Green 144 A to B at the base).
  • Sepals:
      • Number.—Generally five sepals.
      • Surface texture.—The outer surface has a short, fine pubescent texture.
      • Margins.—Smooth.
      • Form.—Conic with a round tip.
      • Size.—Average.
      • Length.—Approximately 5.0 to 7.0 millimeters.
      • Width.—Approximately 4.0 to 5.0 millimeters.
      • Color.—At the stage F of blooming, the inner surface of the sepals is greenish yellow (RHS Yellow Group 13A to RHS Yellow Group 13B or Yellow Orange Group 17A or RHS Yellow Green 150 A to RHS Yellow Green 150 B). The outer surface of the sepals is considered of purple-brown color (RHS Greyed Purple 183 A or RHS Greyed Purple 183 B or RHS Greyed Purple 183 C or RHS Grey Purple 187 B and RHS Yellow Green 144 A to B at the base).
  • Average number of stamens per flower: Approximately 34 to 40 stamens per flower.
  • Anthers:
      • Generally.—Small in length.
      • Color.—At the beginning of maturity, anthers show an orange yellow color (RHS Yellow Orange 16 A to RHS Yellow Orange B) or red to red orange color (RHS Red Group N34 A or RHS Greyed Red Group 178 A). The color may evolve with maturity to turn in a red orange color.
  • Pollen production: Pollen is abundant, and has a orange yellow color (Approximately RHS Yellow Orange 17 B to RHS Yellow Orange 17C) which may evolve with maturity. The present variety is considered auto-fertile (self-pollinating).
  • Filaments:
      • Size.—Medium length, between 12.0 and 16.0 millimeters in length. Filaments length is slightly smaller than the pistil's length.
  • Color: Considered light pink (approximately RHS Red Purple 62 C to RHS Red Purple 62 D or RHS Red Purple 73 A to RHS Red Purple 73 B). The color becomes darker during the blooming.
  • Pistil:
      • Number.—Usually 1.
      • Generally.—Average in size.
      • Length.—Approximately 20.0 to 22.0 millimeters including the ovary. Generally similar size or slightly higher than stamen length.
      • Color.—Considered a very pale green (RHS Yellow Green Group 151 D) at the beginning of flowering, it becomes lighter and lighter (RHS Yellow Green 150 D) during the blooming and sometimes very slightly pinky (RHS Red Group 36D) at the end of the blooming.
      • Surface texture.—Glabrous.
FRUIT
  • Maturity when described: Very firm in ripe conditions (shipping ripe).
  • Date of first picking: Sep. 24, 2012.
  • Date of last picking: The date of harvest varies slightly with the prevailing climatic conditions. The ‘NECTARELSE variety has an very late date of picking, and a grouped maturity. The maturity is grouped within 5 to 11 days and the harvest is generally performed in two runs. Last known picking times carry on from September 24th to Sep. 28, 2012, then from September 28th until Oct. 4, 2013, then from September 11th to Sep. 21, 2014 and from September 12th to Sep. 19, 2015.
  • Size:
      • Generally.—Homogeneous in size. Generally size 2A.
  • Average cheek diameter: Approximately 67.0 to 70.0 millimeters.
  • Average axial diameter: Approximately 61.0 to 65.0 millimeters.
  • Typical weight: Generally about 175.0 to 195.0 grams. This characteristic is high dependent upon the prevailing cultural practices, and therefore is not particularly distinctive of the variety.
  • Fruit form:
      • Generally.—Round. The fruit is generally uniform in symmetry, viewed from the suture's plane.
  • Fruit suture: Wide-mouthed and slightly marked, extending from the base to the apex. No apparent callousing or stitching exists along the suture line. Not pointed.
  • Suture:
      • Color.—The suture has generally a similar color to the whole fruit color, a luminous purple red (RHS Greyed Purple 187 B).
  • Ventral surface:
      • Form.—Smooth.
  • Apex: Non-prominent, generally slightly depressed.
  • Base: Semi-flared, shallow.
  • Stem cavity: Average depth of the stem cavity is about 12.0 to 15.0 millimeters. Average width is about 14.0 to 18.0 millimeters.
  • Fruit skin:
      • Thickness.—Considered very thick and strong, and the adherence of skin to flesh is strong to medium, depending on the fruit maturity.
      • Texture.—Glabrous.
      • Taste.—Semi-sweet, aromatic, with a high level of sugars.
      • Tendency to crack.—None observed.
  • Color:
      • Blush color.—This blush color is a luminous purple red (RHS Greyed Purple 187 B). The red blush covers 75% to 85% of the fruit skin surface on a cream pink red background (RHS Greyed Red 179 A). The percentage of the blush on the fruit skin surface can vary, and is generally dependant upon the prevailing conditions under which the fruit was grown.
      • Ground color.—The ground color covers approximately 15 to 25% of the fruit skin surface, and is considered cream pink red (RHS Greyed Red 179 A).
  • Fruit stem: Medium in length, approximately 9.0 to 10.0 millimeters.
  • Diameter: Approximately 4.0 millimeters.
  • Color: Pale green (RHS Yellow Green 145 A).
  • Flesh:
      • Ripens.—Very homogenously, slowly. The flesh has a long shelf life.
      • Texture.—Very firm, very dense, crunchy, melting, juicy at harvest maturity stage.
      • Fibers.—Not fibrous.
      • Aroma.—Pronounced.
      • Eating quality.—Considered very good and aromatic.
      • Flavor.—Considered semi-sweet and very aromatic. The Brix is generally superior to 13 and acidity comprised between 6 and 9 meq/100 ml.
      • Juice.—Very juicy at complete maturity.
      • Brix.—Generally 14.0 to 16.0 degrees. This characteristic varies slightly with the number of fruit per tree; prevailing cultural practices; and the surrounding climatic conditions.
      • Flesh color.—White flesh (RHS White 155 C) usually with a red pigmentation (RHS Red 53 A) into the stone cavity and star-shaped around this cavity on approximately 9.0 to 10 millimeters. The red pigmentation is also present along the pistil conduct.
STONE
  • Type: Clingstone, more or less adherent depending on the fruit maturity.
  • Size: Considered medium for the variety. The stone size varies significantly depending upon the tree vigor, crop load and prevailing growing conditions.
  • Length: Approximately 30.0 to 32.0 millimeters.
  • Width: Approximately 20.0 to 22.0 millimeters.
  • Diameter: Approximately 16.0 to 17.0 millimeters.
  • Form: Elliptic.
  • Base: Straight.
  • Apex:
      • Shape.—The stone apex is short, pointed.
  • Stone cavity: Considered medium size, with an ovate-form and dimensions corresponding to the stone's dimensions.
  • Stone surface:
      • Surface texture.—The pit is transversely furrowed on its entire surface. Furrows are more pronounced toward the apex. The stone is pitted toward the base. Relief is prominent generally and present basally.
      • Ridges.—The surface texture is generally characterized by more prominent ridges along the ventral edges and is more prominent at the apical tip.
  • Ventral edge:
      • Width.—Considered small to medium, and having a dimension of approximately 1.0 millimeters at mid-suture.
  • Dorsal edge:
      • Shape.—Grooved.
  • Stone color: The color of the dry stone is generally considered light orange brown (RHS Greyed Orange 165 B to RHS Greyed Orange 165 C).
  • Tendency to split: Splitting is very low or absent, depending on climatic conditions between blooming period and stone hardening.
  • Kernel:
      • Size.—The kernel is considered medium.
      • Length.—Approximately 17.0 to 18.0 millimeters.
      • Width.—Approximately 12.0 to 14.0 millimeters.
      • Thickness.—Approximately 4.0 to 5.0 millimeters.
      • Form.—Considered oblate and elliptic.
      • Pellicle.—The pellicle of the kernel has a short pubescence.
      • Color.—The kernel skin is a orange-brown (RHS Greyed Orange 164 A). The almond, which is the seed of the kernel, is white (RHS White 155 A) and has a bitter tasting. The kernel and its embryo are mature at the time of fruit maturity.
  • Use: The subject variety ‘NECTARELSE is considered to be a nectarine tree of the very late season of maturity, and which produces fruits that are considered firm, attractively colored with a very luminous purple red. Fruits have a semi-sweet taste and are excellent for uncooked consumption, crunchy or melting when at full maturity. Fruits have excellent gustative qualities. Due to their flesh quality, firmness and density, they can also be commercialized as 4th range product (packed fruit or fruit in bags for example). And they are also useful for both local and very long distance shipping.
  • Keeping quality: Remarkable. Fruit have a slow maturation and a long shelf life both on the tree after growth completion and after harvesting without alteration. After growth completion, fruits are preserved more than one week. After harvest, fruits are well preserved more than 4 weeks at 2.0 degree Celsius.
  • Shipping quality: Considered very good. The fruit of the new white nectarine variety showed minimal bruising of the flesh or skin damage after being subjected to normal harvesting and packing procedures. Its resistance to handling during harvest and packing and its long shelf life without alteration after harvest easily permit 3 to 4 weeks-shipping at 2 degrees Celsius.
  • Resistance to insects and disease: No particular susceptibilities were noted. The present variety is not very sensitive to powdery mildew, or conservation diseases and decay due to its thick and strong skin. Although the new variety of nectarine tree possesses the described characteristics when grown under the ecological conditions prevailing near Elne, Pyrénées-Orientales departement, France, it should be understood that variations of the usual magnitude and characteristics incident to changes in growing conditions, fertilization, pruning, pest control and horticultural management are to be expected.

Claims (1)

I claim:
1. A new and distinct variety of white nectarine tree as illustrated and described, characterized by fruits with high eating quality and very long shelf life without alteration before and after harvesting, with a semi-sweet white flesh comprising a red pigmentation along the pistil conduct, into the stone cavity and star-shaped around this cavity, and an attractive luminous skin with a high percentage of purple red blush on skin surface.
US14/757,159 2014-11-27 2015-11-27 Nectarine tree named ‘NECTARELSE’ Active USPP27774P3 (en)

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QZPBR2014/3174 2014-11-27
QZ2014/3174 2014-11-27
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