USPP13624P2 - Citrus tree named ‘Nectar’ - Google Patents
Citrus tree named ‘Nectar’ Download PDFInfo
- Publication number
- USPP13624P2 USPP13624P2 US09/716,478 US71647800V USPP13624P2 US PP13624 P2 USPP13624 P2 US PP13624P2 US 71647800 V US71647800 V US 71647800V US PP13624 P2 USPP13624 P2 US PP13624P2
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- US
- United States
- Prior art keywords
- fruit
- tree
- color
- nectar
- israel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 235000020971 citrus fruits Nutrition 0.000 title description 3
- 241000207199 Citrus Species 0.000 title description 2
- 241001672694 Citrus reticulata Species 0.000 claims abstract description 15
- 235000013399 edible fruits Nutrition 0.000 abstract description 32
- 241000283690 Bos taurus Species 0.000 description 4
- 239000000796 flavoring agent Substances 0.000 description 4
- 235000019634 flavors Nutrition 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 230000005070 ripening Effects 0.000 description 3
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 229930002877 anthocyanin Natural products 0.000 description 2
- 235000010208 anthocyanin Nutrition 0.000 description 2
- 239000004410 anthocyanin Substances 0.000 description 2
- 150000004636 anthocyanins Chemical class 0.000 description 2
- 210000004883 areola Anatomy 0.000 description 2
- 210000000349 chromosome Anatomy 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 230000010152 pollination Effects 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 230000011681 asexual reproduction Effects 0.000 description 1
- 238000013465 asexual reproduction Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000008369 fruit flavor Substances 0.000 description 1
- 230000004345 fruit ripening Effects 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
- A01H6/78—Rutaceae, e.g. lemons or limes
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
- A01H5/08—Fruits
Definitions
- Citrus reticulata hybrid A new mandarin citrus tree Citrus reticulata hybrid is described.
- the new variety named ‘Nectar’ is desirable to the consumer because it has seedless fruit and to the commercial grower because it bears late ripening (end of December to beginning of February) citrus fruits having rich having rich flavor.
- the first fruits were observed in January 1988 and observations of the fruits were again made in 1989.
- One of the 140 seedlings was designated 56/4. This scion was observed to be fully ripe in the last week in December to the end of January. The fruit of this selection was orange in color and completely seedless.
- Bud wood was taken from 56/4 and grafted in the spring of 1988 onto 6 Troyer rootstock.
- the grafted plants were planted a year later in the experimental grove of the Agricultural Research Organization in Bet Dagan.
- the first crop of trees was obtained in 1992.
- the yield of the scion grafted onto Troyer rootstock was good.
- the fruit was fully ripe in January.
- the color of the ripe fruit was orange and the fruit was easy to peel and had a very rich flavor.
- the juice had a sugar concentration of about 13% and an acid concentration of about 0.9%.
- the tree is medium sized, about 3 to 4 meters high by 4 meters wide at 5-6 years after planting. This is quite similar to ‘Wilking’.
- the tree's vigor is also medium with an annual terminal growth after pruning of about 100-110 cm in length and 10-12 mm in diameter as measured in 1993 in Bet Dagan, Israel. Young shoots have no anthocyanin coloration at the tip.
- the tree is quite productive with a slight tendency to alternate bearing.
- the canopy is moderately dense.
- the bark of the young shoots is initially smooth and green gradually turning into a smooth grayed-green.
- the leaves somewhat resemble that of ‘Wilking’ in shape and size. Foliar flushes, as measured in Bet Dagan, Israel, occur between April and September. The color and veination of the leaves are quite similar to that of ‘Wilking’. Leaf blade is quite firm and straight in cross section. Petioles are without wings.
- the fruit is seedless.
- the fruit shape is somewhat flat and it is medium sized. When 50 fruits were measured, the fruit had an average weight of 98 grams, an average height 46 mm, and an average diameter 68 mm.
- the fruit surface is usually smooth with an orange color, 24A, on The Royal Horticultural Society of London Colour Chart, and bears an average number of conspicuous rind oil glands.
- Fruit ripening does not differ from outside of the canopy to the inside, but the fruit color of the outside canopy is a little brighter as compare to the fruit color of the inside canopy. There is no persistence of the style and the areola is not completely developed.
- a navel is absent or very rare.
- the rind is thin and easy to peel.
- Fruit productivity of a single tree at age 7 is about 40 kg.
- the color of the albedo is yellow-orange and the flesh is orange in color.
- the fruit contains 10-11 segments and is very juicy.
- the fruit reaches maturity in January in Israel.
- the ripening of the fruit on the tree and within the fruit is uniform.
- Fruit remaining on the tree does not regreen and does begin to lose quality until mid February.
- the fruit has attractive appearance and the fruit flavor is very rich and pleasant.
- the new citrus tree is illustrated in the accompanying color photographs.
- Sheet one depicts the whole tree and canopy shape of the new variety.
- Sheet two shows the exterior of the fruit as well as transverse midsections in a plane substantially perpendicular to the axis, illustrating no seeds.
- Botanical Citrus reticulata hybrid. Common: Mandarin citrus.
- Cultivar ‘Nectar’.
- Shape Round with tendency to be upright with growth of young shoots.
- Petal color. White RHS 155D (upper and lower).
- Anther color Yellow RHS 9D.
- Weight. 98 g (average of 50 fruits).
- Rind oil gland. Conspicuous, average number (48/cm 2 ).
- Rind. Thin (2-3 mm) and easy to peel.
Landscapes
- 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 variety of mandarin citrus is described that is distinguished by fruit having no seeds and flowers having anthers bearing sterile pollen.
Description
A new mandarin citrus tree Citrus reticulata hybrid is described. The new variety named ‘Nectar’ is desirable to the consumer because it has seedless fruit and to the commercial grower because it bears late ripening (end of December to beginning of February) citrus fruits having rich having rich flavor.
The present invention relates to a new and distinct variety of mandarin tree Citrus reticulata hybrid developed by inventors Aliza Vardi, Pinchas Spiegel-Roy, Avraham Elchanati and Ahuva Frydman-Shani from a controlled pollination made at the Volcani Center in Bet Dagan, Israel.
Asexual reproduction by conventional bud grafting onto Troyer reetstock nucellar seedlings of the new variety in Israel has shown that the new characteristics are stabilized and permanently fixed through successive propagation.
The objective in breeding the present new tree variety, assigned the denomination ‘Nectar’ was to obtain a late ripening citrus mandarin having fruit with few or no seeds. In the spring of 1979, a controlled pollination cross of ‘Wilking’ (unpatented) mandarin (Citrus reticulata Blanco) was made at the Agricultural Research Organization, The Volcani Center, in Bet Dagan, Israel. The fruit was collected in November 1979 and seeds of the fruits were extracted and subsequently germinated during January 1980. About 150 seedlings were grown from the germinated seeds. Each seedling was grafted in September 1982 onto Troyer rootstock nucellar seedlings. The grafted plants were planted in June, 1984 in the Agricultural Research Organization experimental grove, Bet Dagan, Israel. The first fruits were observed in January 1988 and observations of the fruits were again made in 1989. One of the 140 seedlings was designated 56/4. This scion was observed to be fully ripe in the last week in December to the end of January. The fruit of this selection was orange in color and completely seedless.
Bud wood was taken from 56/4 and grafted in the spring of 1988 onto 6 Troyer rootstock. The grafted plants were planted a year later in the experimental grove of the Agricultural Research Organization in Bet Dagan. The first crop of trees was obtained in 1992. The yield of the scion grafted onto Troyer rootstock was good. The fruit was fully ripe in January. The color of the ripe fruit was orange and the fruit was easy to peel and had a very rich flavor. The juice had a sugar concentration of about 13% and an acid concentration of about 0.9%.
Some characteristics of the new mandarin tree, designated ‘Nectar’, were compared with its seed and pollen parent ‘Wilking’, as shown in Table 1.
| TABLE 1 | ||||
| Chromosone | ||||
| Tree | Fruit color | Number | Seeds/fruit | Pollen fertility1 |
| ‘Nectar’ | Orange | 2n = 18 | 0 | Sterile |
| RHS 24A | 0% | |||
| ‘Wilking’ | Orange RHS | 2n = 18 | 6-15 | 94% |
| 24A | ||||
| 1Estimated by acetocarmine staining | ||||
The following is a detailed description of the new mandarin citrus variety based on observations made under typical Israeli grove conditions. Observations were made on 5-6 year old trees in Israel.
The tree is medium sized, about 3 to 4 meters high by 4 meters wide at 5-6 years after planting. This is quite similar to ‘Wilking’. The tree's vigor is also medium with an annual terminal growth after pruning of about 100-110 cm in length and 10-12 mm in diameter as measured in 1993 in Bet Dagan, Israel. Young shoots have no anthocyanin coloration at the tip.
The tree is quite productive with a slight tendency to alternate bearing. The canopy is moderately dense. The bark of the young shoots is initially smooth and green gradually turning into a smooth grayed-green.
The chromosome number of the tree is diploid (2n=18) as is the chromosome number of the parents.
The leaves somewhat resemble that of ‘Wilking’ in shape and size. Foliar flushes, as measured in Bet Dagan, Israel, occur between April and September. The color and veination of the leaves are quite similar to that of ‘Wilking’. Leaf blade is quite firm and straight in cross section. Petioles are without wings.
Flowering, as measured in Bet Dagan, Israel, in 1993 occurs between mid March and the beginning of April. The characteristics of the flowering and the flower parts are similar to ‘Wilking’ with one exception: the anthers contain aborted pollen only. Terminal flower buds have no anthocyanin coloration. Anther color is yellow with 0-1% stainable pollen grain as obtained by staining with acetocarmine. The trees flower once per year.
The fruit is seedless. The fruit shape is somewhat flat and it is medium sized. When 50 fruits were measured, the fruit had an average weight of 98 grams, an average height 46 mm, and an average diameter 68 mm. The fruit surface is usually smooth with an orange color, 24A, on The Royal Horticultural Society of London Colour Chart, and bears an average number of conspicuous rind oil glands. Fruit ripening does not differ from outside of the canopy to the inside, but the fruit color of the outside canopy is a little brighter as compare to the fruit color of the inside canopy. There is no persistence of the style and the areola is not completely developed. A navel is absent or very rare. The rind is thin and easy to peel. Fruit productivity of a single tree at age 7 is about 40 kg.
The color of the albedo is yellow-orange and the flesh is orange in color. The fruit contains 10-11 segments and is very juicy. The fruit reaches maturity in January in Israel. The ripening of the fruit on the tree and within the fruit is uniform. Fruit remaining on the tree does not regreen and does begin to lose quality until mid February. The fruit has attractive appearance and the fruit flavor is very rich and pleasant.
The new citrus tree is illustrated in the accompanying color photographs.
Sheet one depicts the whole tree and canopy shape of the new variety.
Sheet two shows the exterior of the fruit as well as transverse midsections in a plane substantially perpendicular to the axis, illustrating no seeds.
The following is a detailed description of the new mandarin citrus variety based on observations made under typical Israeli grove conditions. Color designations have been determined from The R.H.S. Colour Chart published by The Royal Horticultural Society, London.
Tree:
Origin.—Self-pollination cross of ‘Wilking’ mandarin.
Classification.—Botanical: Citrus reticulata hybrid. Common: Mandarin citrus. Cultivar: ‘Nectar’.
Shape.—Round with tendency to be upright with growth of young shoots.
Thorns.—Appear only at the juvenile stage; at the productive stage is thornless.
Branching.—Upright.
Canopy.—Moderately dense.
Trunk.—39 cm at 20 cm above the ground.
Bark.—Immature: Smooth, yellow-green, RHS 146B. Mature: Smooth, grayed-green, RHS 189A.
Leaf.—Size: Length: 92 mm, width 34.0 mm. Shape: Lanceolate and taper pointed. Leaf blade: Firm, straight in cross section. Petioles: Wingless, 12 mm length, 1.5 mm in diameter, Green RHS 147B. Foliar flushes: April-September (Israel). Color: Green RHS 147A (upper), Green RHS 147B (lower).
Habit.—Medium vigor.
Height.—3-4 m (5-6 years).
Width.—4 m (5-6 years).
Disease resistance.—No particular susceptibility or resistance observed.
Winter hardiness.—Winter temperature in Bet Dagan, Israel averages 4-7 degrees Centigrade.
Flower:
Petals.—5.
Petal color.—White RHS 155D (upper and lower).
Flowering period.—Mid March-beginning of April in Bet Dagan, Israel.
Flower drop.—April.
Stamens.—20, complete style.
Anther color.—Yellow RHS 9D.
Pollen fertility.—Aborted pollen only.
Anthocyanina coloration.—None.
Fruit:
Shape.—Slight oblate.
Size.—Medium.
Weight.—98 g (average of 50 fruits).
Height.—46 mm.
Diameter.—68 mm.
Skin color.—Orange, RHS 24A.
Rind oil gland.—Conspicuous, average number (48/cm2).
Style.—No persistence.
Navel.—Absent.
Rind.—Thin (2-3 mm) and easy to peel.
Albedo.—Yellow-orange RHS 19B.
Flesh color.—Orange RHS 25A.
Areola.—Incompletely developed.
Fruit segments.—10-11.
Time of maturity.—Date of picking_January (Israel).
Fruit extract.—(Test conducted Jan. 16, 1997). Total soluble solids (TSS): 13%. Acid content: 0.9%. TSS/acid ratio 14.4. Flavor: Rich flavor.
Seeds: None.
Claims (1)
1. A new and distinct variety of Citrus reticulata hybrid tree substantially as herein described and shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/716,478 USPP13624P2 (en) | 2000-11-20 | 2000-11-20 | Citrus tree named ‘Nectar’ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/716,478 USPP13624P2 (en) | 2000-11-20 | 2000-11-20 | Citrus tree named ‘Nectar’ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USPP13624P2 true USPP13624P2 (en) | 2003-03-04 |
Family
ID=24878140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/716,478 Expired - Lifetime USPP13624P2 (en) | 2000-11-20 | 2000-11-20 | Citrus tree named ‘Nectar’ |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USPP13624P2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USPP23724P2 (en) | 2010-08-24 | 2013-07-09 | The United States Of America, As Represented By The Secretary Of Agriculture | Mandarin tree named ‘US Early Pride’ |
-
2000
- 2000-11-20 US US09/716,478 patent/USPP13624P2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| GTITM UPOVROM Citation for "Nectar' as per IL PBR 01875; Feb. 26, 1999. * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USPP23724P2 (en) | 2010-08-24 | 2013-07-09 | The United States Of America, As Represented By The Secretary Of Agriculture | Mandarin tree named ‘US Early Pride’ |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: STATE OF ISRAEL-MINISTRY OF AGRICULTURE AND RURAL Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:VARDI, ALIZA;SPIEGEL-ROY, PINCHAS;ELCHANATI, AVRAHAM;ANDOTHERS;REEL/FRAME:011361/0653;SIGNING DATES FROM 20001012 TO 20001025 |