USPP30447P3 - Avocado tree named ‘BEN-YA'ACOV1’ - Google Patents

Avocado tree named ‘BEN-YA'ACOV1’ Download PDF

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Publication number
USPP30447P3
USPP30447P3 US15/330,549 US201615330549V USPP30447P3 US PP30447 P3 USPP30447 P3 US PP30447P3 US 201615330549 V US201615330549 V US 201615330549V US PP30447 P3 USPP30447 P3 US PP30447P3
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ben
acov1
color
rhs
new
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US20180103569P1 (en
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Avraham BEN YA'AKOV
Miriam SILBERSTEIN
Vered Irihimovitch
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Agricultural Research Organization of Israel Ministry of Agriculture
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Agricultural Research Organization of Israel Ministry of Agriculture
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Priority to US15/330,549 priority Critical patent/USPP30447P3/en
Assigned to STATE OF ISRAEL, MINISTRY OF AGRICULTURE & RURAL DEVELOPMENT, AGRICULTURAL RESEARCH ORGANIZATION reassignment STATE OF ISRAEL, MINISTRY OF AGRICULTURE & RURAL DEVELOPMENT, AGRICULTURAL RESEARCH ORGANIZATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: IRIHIMOVITCH, VERED, YA'AKOV, AVRAHAM BEN, SILBERSTEIN, MIRIAM
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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
    • A01H6/52Lauraceae, e.g. avocado
    • A01H6/525Persea [avocado]
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/13Abiotic stress
    • Y02A40/135Plants tolerant to salinity

Definitions

  • the present invention relates to a new and distinct variety of avocado tree, botanically known as Persea americana P. Mill. of the Lauraceae family, and hereinafter referred to by the variety denomination ‘BEN-YA'ACOV1’.
  • the new Persea americana P. Mill. ‘BEN-YA'ACOV1’ was discovered and selected by the inventors, Avraham Ben Ya'akov, Miriam Silberstein, and Vered Irihimovitch, growing in a cultivated area in the late 1970's in Ma'agan Michael, Israel.
  • the new Persea americana P. Mill. ‘BEN-YA'ACOV1’ was selected by the inventors based on lower tendency towards alternate bearing, Phytophthora cinnamomi and salinity resistance, induced productivity on the grafted varieties.
  • FIG. 1 Shows a typical tree of ‘BEN-YA'ACOV1’.
  • FIG. 2 Shows a typical leaf upper surface (left) and under surface (right) of ‘BEN-YA'ACOV1’.
  • FIG. 3 Shows a typical shoot of ‘BEN-YA'ACOV1’.
  • FIG. 4 Shows a typical vegetative bud of ‘BEN-YA'ACOV1’.
  • the new Persea americana P. Mill. ‘BEN-YA'ACOV1’ has not been observed under all possible environmental conditions.
  • the phenotype of the new variety may vary with variations in environment such as temperature, light intensity, day length, soil or pruning without any change in the genotype of the avocado plant.
  • the detailed morphological description includes observations, measurements and values taken from 2014 to 2015 and based on two-year-old ‘BEN-YA'ACOV1’ plants/trees grown in the orchard in The Volcani Center, Israel. Quantified measurements are expressed as an average or a range of measurements taken from a number of plants of ‘BEN-YA'ACOV1’. The measurements of any individual plant, or any group of plants, of the new variety may vary from the stated average or range.
  • Color of upper side medium to dark green RHS 137 A.
  • Color of lower side medium grayish green RHS 147 C.
  • Anthocyanin coloration absent.
  • Shape in cross section v shaped.
  • Shape of base obtuse. Twisting along whole length: absent. Twisting of apex: present. Undulation of margin: strong.
  • Relief of venation on upper surface at level.
  • Relief of venation on lower surface raised.
  • Color of veins of upper side medium yellow green RHS 151 A.
  • Color of veins of lower side medium yellow green RHS 151 A.
  • Number of secondary veins about 7.
  • Density of pubescence on upper surface sparse.
  • Density of pubescence on lower surface medium.

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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)
  • Cultivation Of Plants (AREA)

Abstract

A new and distinct avocado of Persea americana P. Mill. named ‘BEN-YA'ACOV1’, particularly characterized by lower tendency towards alternate bearing, Phytophthora cinnamomi and salinity resistance, and induced productivity on the grafted varieties.

Description

Botanical name of the genus and species of the plant claimed: Persea americana P. Mill.
Variety denomination: ‘BEN-YA'ACOV1’.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct variety of avocado tree, botanically known as Persea americana P. Mill. of the Lauraceae family, and hereinafter referred to by the variety denomination ‘BEN-YA'ACOV1’.
Clonal avocado rootstocks were developed in Israel on a small scale between the years 1962 to 1977 and on a large scale in the years following. During the entire period about 220 different rootstocks have been developed in an attempt to solve soil problems caused by stress factors such as salinity, lime, poor aeration and root-rot, and various combinations of these factors, while simultaneously improving productivity. Uniformity among trees and dwarfness were also taken into account as part of the search for better rootstocks. The development process included field evaluation on a very large scale, in which 350 experiments and 65000 trees took part.
The new Persea americana P. Mill. ‘BEN-YA'ACOV1’ was discovered and selected by the inventors, Avraham Ben Ya'akov, Miriam Silberstein, and Vered Irihimovitch, growing in a cultivated area in the late 1970's in Ma'agan Michael, Israel. The new Persea americana P. Mill. ‘BEN-YA'ACOV1’ was selected by the inventors based on lower tendency towards alternate bearing, Phytophthora cinnamomi and salinity resistance, induced productivity on the grafted varieties.
Asexual propagation of the new Persea americana P. Mill. variety by the Frolich method for vegetative propagation was first performed in March 1980 in the Volcani Center, Israel and has demonstrated that the combination of characteristics as herein disclosed for the new variety are firmly fixed and retained through successive generations of asexual propagation. The new variety propagates true-to-type.
BRIEF DESCRIPTION OF THE INVENTION
The following traits have been repeatedly observed and are determined to be characteristics of ‘BEN-YA'ACOV’ which in combination distinguish this avocado tree as a new, unique and distinct variety:
    • 1. lower tendency towards alternate bearing;
    • 2. Phytophthora cinnamomi resistance;
    • 3. Salinity resistance; and
    • 4. Induced productivity on the grafted varieties.
Of the many varieties known to the present inventors, the most similar in comparison to the new Persea americana P. Mill. ‘BEN-YA'ACOV1’ is Persea americana P. Mill. ‘DEGANIA 117’ (unpatented) which differ from the new variety ‘BEN-YA'ACOV1’ in the characteristics described in Table 1:
TABLE 1
Comparison with most similar variety.
New Variety Comparison Variety
Characteristic ‘BEN-YA′ACOV1’ ‘Degania 117’
Productivity High productivity as High productivity as
rootstock for ‘Pinkerton’ rootstock for ‘Hass’,
‘Etinger’ and ‘Pinkerton’
Tree vigor Dwarfing type Vigorous type
characteristic
BRIEF DESCRIPTION OF THE PHOTOGRAPHS
The accompanying photographs illustrate the overall appearance of the new Persea americana P. Mill. variety ‘BEN-YA'ACOV1’ showing the colors as true as is reasonably possible with colored reproductions of this type. Colors in the photographs may differ slightly from the color values cited in the detailed morphological description, which accurately describe the color of ‘BEN-YA'ACOV1’. Plants shown in the photographs are approximately two years old.
FIG. 1—Shows a typical tree of ‘BEN-YA'ACOV1’.
FIG. 2—Shows a typical leaf upper surface (left) and under surface (right) of ‘BEN-YA'ACOV1’.
FIG. 3—Shows a typical shoot of ‘BEN-YA'ACOV1’.
FIG. 4—Shows a typical vegetative bud of ‘BEN-YA'ACOV1’.
DETAILED BOTANICAL DESCRIPTION
The new Persea americana P. Mill. ‘BEN-YA'ACOV1’ has not been observed under all possible environmental conditions. The phenotype of the new variety may vary with variations in environment such as temperature, light intensity, day length, soil or pruning without any change in the genotype of the avocado plant.
The aforementioned photographs, together with the following observations, measurements and values describe trees of ‘BEN-YA'ACOV1’ as grown in The Volcani Center, Israel, under conditions which closely approximate those generally used in commercial practice. The described plants were propagated by the Frolich method and planted at a distance of 6×4 m in sandy red loam soil at an elevation of about 30 meters above sea level with 700-1000 m3 per dunam per season of irrigation and N:P:K 30:30:5 of fertilizers. Average annual rainfall is about 550 mm, with an average 350 mm of rainfall in winter (December to February). Mean diurnal minimum temperature in January is 7.2° C., and mean diurnal maximum temperature in July is 30.8° C.
Unless otherwise stated, the detailed morphological description includes observations, measurements and values taken from 2014 to 2015 and based on two-year-old ‘BEN-YA'ACOV1’ plants/trees grown in the orchard in The Volcani Center, Israel. Quantified measurements are expressed as an average or a range of measurements taken from a number of plants of ‘BEN-YA'ACOV1’. The measurements of any individual plant, or any group of plants, of the new variety may vary from the stated average or range.
Color references are made to The Royal Horticultural Society Colour Chart (R.H.S.), (1986 edition), except where general colors of ordinary significance are used. Color values were taken under daylight conditions in full sunlight in the Volcani Center, Israel.
All of the plants of ‘BEN-YA'ACOV1’, insofar as they have been observed, have been consistent in all the characteristics described below.
  • Classification:
      • Botanical.—Persea americana P. Mill.
  • Propagation: Frolich method.
  • Growing conditions:
      • Light intensities.—Full sunlight.
January February March April May June
Mean 17.8 18.1 20.1 24.5 27 29.2
maximum air
temperature
(° C.)
Mean 7.2 7.1 8.8 11.5 14.6 17.9
minimum air
temperature
(° C.)
Mean rainfall 140.5 96.9 66.1 17.5 2.2
(mm)
Sep- De-
July August tember October November cember
Mean 30.8 31.2 30.4 28.3 24.1 19.7
maximum air
temperature
(° C.)
Mean 20.6 21.2 19.4 16 11.8 8.6
minimum air
temperature
(° C.)
Mean rainfall 0.4 20.4 76.2 130.3
(mm)
      • Fertilization.—A balanced fertilizer with level of N:P:K 30:30:5.
      • Growth regulators.—As used in commercial practice.
TABLE OF CHARACTERISTICS
TREE:
Age: Observed trees were two years old.
Tree Type: West Indian.
Vigor: strong.
Growth habit: semi-upright.
General shape: globular.
Density of canopy: dense.
Height: about 2 m.
Number of main branches: 2.
Main branch Attitude: semi-upright.
Trunk Diameter at 50 cm height: about 25 cm.
Surface Texture: very rough
Color of Bark: RHS 199B
Lenticels: Not visible
Young shoot Color: light green RHS 144 B.
Color of lenticel: medium green RHS 144 A.
Shape of lenticels: elongated or rounded.
Density of lenticels: dense.
Size of lenticel: about 1 mm.
Shoot Length of internode: 35-56 cm.
Thickness: 10-13 mm.
Color: light green RHS 144 B.
Vegetative Shape: conical.
bud Length: 3-5 mm.
Color: medium to dark green RHS 152 A.
Pubescence: strong.
Young leaf Color of pubescence of petiole: yellow-white
RHS 158D.
Color of upper side: medium to dark green
RHS 137 A.
Color of lower side: medium green RHS 138 B.
Leaf Attitude relative to shoot: horizontal.
Leaf blade Length: 22-24 cm.
Width: 70-97 mm.
Ratio length/width: longer than broad.
Shape: elliptic.
Shape of apex: obtuse.
Tip: acuminate.
Color of upper side: medium to dark green RHS
137 A.
Color of lower side: medium grayish green RHS
147 C.
Anthocyanin coloration: absent.
Shape in cross section: v shaped.
Shape of base: obtuse.
Twisting along whole length: absent.
Twisting of apex: present.
Undulation of margin: strong.
Relief of venation on upper surface: at level.
Relief of venation on lower surface: raised.
Color of veins of upper side: medium yellow green
RHS 151 A.
Color of veins of lower side: medium yellow green
RHS 151 A.
Number of secondary veins: about 7.
Distance of secondary veins: 2-3 cm.
Density of pubescence on upper surface: sparse.
Density of pubescence on lower surface: medium.
Color of hairs: green-yellow RHS 1D.
Anise aroma: present.
Petiole Length: 25-35 mm.
Thickness: 3-4 mm.
Color: medium yellow green RHS 151 A.
Pubescence: weak.
Cross section: rounded and truncate.
Lenticels: few to medium.
Inflorescence Flowering Period: end March to mid April
Diameter: 12-23 cm
Length of Main Axis: 10-15 mm
Thickness of Main Axis: 5-7 mm
Number of Branches: 3 to 5
Length of Lowest Branch: 70-100 mm
Pubescence: Strong
Color: RHS 145A
Anthocyanin coloration: Absent
Lenticel Size: Less than pinhead
Lenticel Shape: Rounded
Lenticel Color: RHS 152B
Nectary Position: Along axis
Nectary Size: Pinhead
Nectary Color: RHS 152A
Flower Pedicel Length: 5-7 mm
Number of Petals: 6
Diameter: 6-8 mm
Shape: Star-shaped
Fragrance: Weak
Petal Length: 3-5 mm
Width: 2-3 mm
Shape: Obovate
Upper Surface Color: RHS 147D
Lower Surface Color: RHS 147C
Texture (Upper and Lower surfaces): Smooth
Sepal Position: Fused at base
Shape: Obovate
Length: 3-6 mm
Width: 2-3 mm
Outer Surface Color: RHS 147C
Inner Surface Color: RHS 147D
Outer Surface Pubescence: Strong
Inner Surface Pubescence: Not visible
Style Number: One
Shape: Straight
Length: 1 mm
Color: RHS 153B
Pubescence: Smooth
Stamen Number: Eight
Filament Length: 1-2 mm
Filament Color: RHS 147D
Filament Texture: Smooth
Anther Size: 1-2 mm
Anther Shape: Elongated
Anther Color: RHS 13A
Pollen Color: RHS 13C
  • Disease resistance: Phytophthora cinnamomi resistance.
  • Pest resistance: No atypical resistance has been noted.
  • Disease susceptibility: None observed.
  • Pest susceptibility: None observed.

Claims (1)

I claim:
1. A new and distinct avocado variety of Persea americana P. Mill. named ‘BEN-YA'ACOV1’, as illustrated and described herein.
US15/330,549 2016-10-07 2016-10-07 Avocado tree named ‘BEN-YA'ACOV1’ Active USPP30447P3 (en)

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Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Ben-Ya'acov and Zilberstaine. 1999. Revista Chapingo Serie Horticultura 5: 39-42. *

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Owner name: STATE OF ISRAEL, MINISTRY OF AGRICULTURE & RURAL D

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YA'AKOV, AVRAHAM BEN;SILBERSTEIN, MIRIAM;IRIHIMOVITCH, VERED;SIGNING DATES FROM 20160901 TO 20160908;REEL/FRAME:040281/0216