Details for: PI 541290, Pyrus communis L. subsp. caucasica (Fed.) Browicz, Mag 1


Summary Data
Taxonomy:
Pyrus communis L. subsp. caucasica (Fed.) Browicz
Top Name:
Mag 1
Origin:
Collected – Russian Federation
Received by NPGS:
21 Feb 1981
Improvement Status:
Breeding material
Form Received:
Plant
Life Form:
Tree
Life Habit:
Tree
Availability
This accession is not available. Contact site for status.
Restricted Distribution due to Pathogen infection

  
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FRUIT

Core Passport Data
Taxonomy:
Pyrus communis L. subsp. caucasica (Fed.) Browicz
Top Name:
Mag 1
Origin:
Collected – Russian Federation
Received by NPGS:
21 Feb 1981
Improvement Status:
Breeding material
Form Received:
Plant
Life Form:
Tree
Life Habit:
Tree
Source History
Collected

Russian Federation
Locality: near Pyatigorsk
Coordinates: 44.0500, 43.0333 (Map it)
Elevation: 1000m.
Georeference protocol: Gazetteer
Habitat: Wild Habitat

Developed

Oregon, United States

Developer(s):
Donated
21 February 1981.
Oregon, United States
Comment: Received from collection at Medford, Oregon to NCGR- Corvallis
Donor(s):
Accession Names and Identifiers
Mag 1
Type: Developer identifier

SPECIES GROUP 1
Type: Site identifier
Group: CROPTYPE

CPYR 691
Type: Other or unclassified name
Group: LOCAL
Corvallis local number

Narrative
Seed collected in Russia by John R. Magness on July 31, 1958 in the foothills of the Caucasus Mountins a few miles from Pyatigorsk, which is about midway between the Black Sea and the Caspian Sea. In a letter to M. Westwood written on 27 December, 1962 Magness wrote 'Pear trees in the area were quite abundant, some very large with trunks 2 feet in diameter and 35 to 40 feet tall. Fruit was 3/4 to 1 inch in diameter, very gritty and hard. It is probable that these trees are the native species that have contributed to our P. communis varieties. I do not have the exact records of elevation, but it was probably under 1000 meters.'

Seed was grown in Corvallis, Oregon by Mel Westwood, who noted this selection as being resistant to fire blight.

Pyrus communis L. subspp. caucasica (Fed.) Browicz
Genus:
Pyrus
Section:
Pyrus
Family:
Rosaceae
Subfamily:
Amygdaloideae
Tribe:
Maleae
Subtribe:
Malinae
Nomen number:

313573
Place of publication:

P. Davis, Flora of Turkey 4:163. 1972
Verified:
07/08/2011 by ARS Systematic Botanists.
Other conspecific taxa
Pyrus communis L. (1038 active accession[s])
Pyrus communis L. subsp. communis (39 active accession[s])
Pyrus communis L. subsp. pyraster (L.) Ehrh. (113 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Basionym
Pyrus caucasica Fed.

Common names
Annotations
Other Links
Actions
Pathogens
Bioassay
  • P. communis selection B-13. POSITIVE Inventory: CPYR 691 .001 PL
  • P. communis 'Nouveau Poiteau'. POSITIVE Inventory: CPYR 691 .001 PL
  • P. communis 'Nouveau Poiteau'. NEGATIVE Inventory: CPYR 691 .002 PL
  • Pyronia veitchii. NEGATIVE Inventory: CPYR 691 .002 PL
Vouchers
Citations
Pedigree
Description:
Seedling selection from seedlot collected in Russia

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
DISEASEFRUIT_SCABRATING OF DAMAGE CAUSED BY FRUIT SCAB3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE) PYRUS.CORVALLIS.1987 Not Available
DISEASEFRUIT_SCABRATING OF DAMAGE CAUSED BY FRUIT SCAB3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE) PYRUS.CORVALLIS.2005.FRUITSCABCPYR 691 .001 PLNot Available
DISEASEFRUIT_SCABRATING OF DAMAGE CAUSED BY FRUIT SCAB5 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE) PYRUS.CORVALLIS.1987 Not Available
DISEASELEAF_SCABRATING OF DAMAGE CAUSED BY LEAF SCAB3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE) PYRUS.CORVALLIS.1987 Not Available
DISEASEPSEUDOMONASRATING OF DAMAGE CAUSED BY PSEUDOMONAS3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE) PYRUS.CORVALLIS.1988 Not Available
DISEASERUSTRATING OF DAMAGE CAUSED BY RUST1 - NO DAMAGE PYRUS.CORVALLIS.1987 Not Available
GROWTHTREE SYMMETRYSYMMETRY OF TREE GROWTH2 - INTERMEDIATE PYRUS.WIEGREFE.1992 Not Available
INSECTBLISTER_MITESRATING OF DAMAGE CAUSED BY BLISTER MITES1 - NO DAMAGE PYRUS.CORVALLIS.1987 Not Available
MORPHOLOGYPEDICEL_ATTACHMENTPEDICEL ATTACHMENTU - SUNKEN PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYCAVITYCAVITYAM - ACUTE MEDIUM PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYCALYXCALYXP - PERSISTANT PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYCALYX_BASINCALYX BASINOS - OBTUSE SHALLOW PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYGROUND_COLORGROUND COLORYG - YELLOW GREEN PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYOVER_COLOROVERCOLORN - NONE PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYRUSSETAMOUNT OF RUSSETING3 - (1 = NONE, 9 = COMPLETELY RUSSETED) PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYRUSSET_LOCATIONLOCATION OF RUSSETINGC - CALYX END PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYLENTICELSNUMBER OF LENTICELS4 - (1 = FEW, 9 = MANY) PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYLENTICELSNUMBER OF LENTICELS5 - (1 = FEW, 9 = MANY) PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYLENTICEL_SIZESIZE OF LENTICELS3 - (1 = SMALL, 9 = LARGE) PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYFLESH_COLORFLESH COLORC - CREAM PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYFRUITCORECOREM - MEDIAN PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYCARPEL_NUMBERNUMBER OF CARPELS5 PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYGRITNUMBER OF STONE CELLS5 - (1 = NO STONE CELLS, 9 = MANY STONE CELLS) PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYGRIT_SIZESIZE AND LOCATION OF STONE CELLSM - MEDIUM PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYCORE_BREAKDOWNDEGREE OF CORE BREAKDOWN, DETERMINED ON TREE RIPENED FRUIT1 - NONE PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYOXIDATIONOXIDATION OF CUT MEASURED AFTER 5 MINUTES5 - (1 = NONE, 9 = SEVERE) PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYFLAVORFLAVOR OF FRUIT FLESHA - ACID PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYFLAVORFLAVOR OF FRUIT FLESHT - ASTRINGENT PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYQUALITYQUALITY OF FRUIT FLESH A COMBINATION OF FLAVOR, TEXTURE AND AROMA1 - POOR PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYBLOOM_DENSITYBLOOM DENSITY5 - (1 = LOW, 9 = HIGH) PYRUS.CORVALLIS.1987 Not Available
MORPHOLOGYBLOOM_DENSITYBLOOM DENSITY7 - (1 = LOW, 9 = HIGH) PYRUS.CORVALLIS.1988 Not Available
MORPHOLOGYTREE SHAPEOVERALL SHAPE OF TREE SILHOUETTE4 - ROUND PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYCENTRAL LEADERDOMINANCE OR PERSISTENCE OF THE CENTRAL LEADER2 - MODERATE PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYBRANCH ANGLE 1LOWER LIMIT OF TYPICAL BRANCH ANGLE IN DEGREES0 PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYBRANCH ANGLE 2UPPER LIMIT OF TYPICAL BRANCH ANGLE IN DEGREES0 PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYBRANCH DENSITYDENSITY OF BRANCHING2 - INTERMEDIATE PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYBRANCH STIFFNESSPHYSICAL (N.N. VISUAL) STIFFNESS OF BRANCHES2 - INTERMEDIATE PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYTHORN ADULTPRESENCE OF THORNS AS ADULT1 - NONE PYRUS.WIEGREFE.1992 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM78 PYRUS.CORVALLIS.1986 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM82 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM85 PYRUS.CORVALLIS.1988 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM88 PYRUS.CORVALLIS.1988 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM97 PYRUS.CORVALLIS.1989 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM101 PYRUS.CORVALLIS.1989 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM88 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM89 PYRUS.CORVALLIS.1987 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM92 PYRUS.CORVALLIS.1988 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM96 PYRUS.CORVALLIS.1988 Not Available
PHENOLOGYLAST_BLOOMJULIAN DATE OF LAST BLOOM101 PYRUS.CORVALLIS.1988 Not Available
PHENOLOGYLAST_BLOOMJULIAN DATE OF LAST BLOOM106 PYRUS.CORVALLIS.1989 Not Available
PHENOLOGYLAST_BLOOMJULIAN DATE OF LAST BLOOM108 PYRUS.CORVALLIS.1987 Not Available
PHENOLOGYLAST_BLOOMJULIAN DATE OF LAST BLOOM96 PYRUS.CORVALLIS.1990 Not Available