Details for: PI 437067, Pyrus communis L., B-12

Summary Data

Taxonomy:

Pyrus communis L.

Top Name:

B-12

Origin:

Developed – South Africa

Maintained:

National Clonal Germplasm Repository

Received by NPGS:

24 Mar 1981

PI Assigned:

1980

Improvement Status:

Breeding material

Form Received:

Plant

Life Form:

Tree

Life Habit:

Tree

Backup Location:

National Laboratory for Genetic Resources Preservation

Inventory Volume:

188
View original Plant Inventory data in pdf format

Availability

This accession is not available. Contact site for status.

National Clonal Germplasm Repository

Request are accepted Sept. 1st - Nov. 30th; Ships Jan.- Mar.

Images (3 total. Click on image for more.)

Core Passport Data

Taxonomy:

Pyrus communis L.

Top Name:

B-12

Origin:

Developed – South Africa

Maintained:

National Clonal Germplasm Repository

Received by NPGS:

24 Mar 1981

PI Assigned:

1980

Improvement Status:

Breeding material

Form Received:

Plant

Life Form:

Tree

Life Habit:

Tree

Source History

Developed

South Africa

Developer(s):

Fruit & Fruit Technology Res. Inst.

Donated

24 March 1981.
Maryland, United States
Comment: Received from source in Stellenbosch to Glenn Dale to NCGR- Corvallis
Donor(s):

Waterworth, Howard, USDA, ARS

Accession Names and Identifiers

B-12

Type: Collector identifier

Brooks, Howard J. Crops Research Division

Q 20834

Type: Quarantine identifier

Group: PEAR

Dr. H. Waterworth, Nat'l Program Staff, USDA/ARS, Beltsville

CPYR 901

Type: Site identifier

Group: LOCAL

Corvallis local number

Type: Site identifier

Group: CROPTYPE

Narrative

Pyrus communis L.

Genus:

Pyrus

Section:

Pyrus

Family:

Rosaceae

Subfamily:

Amygdaloideae

Tribe:

Maleae

Subtribe:

Malinae

Nomen number:

30474

Place of publication:

Sp. pl. 1:479, 2:1200. 1753

Protologue link:

https://biodiversitylibrary.org/page/358498

Comment:

probably of hybrid origin

Typification:

View in Linnean Typification Project

Verified:

07/07/2011 by ARS Systematic Botanists.

Other conspecific taxa

Pyrus communis L. subsp. caucasica (Fed.) Browicz (77 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

Heterotypic Synonym(s)
Pyrus asiae-mediae (Popov) Maleev
Pyrus balansae Decne.
Pyrus bourgaeana Decne.
Pyrus communis L. subsp. bourgaeana (Decne.) Nyman
Pyrus communis L. var. mariana Willk.
Pyrus domestica Medik.
Pyrus elata Rubtzov
Pyrus medvedevii Rubtzov

Common names

Language	Name	note	seq	Citation
English	pear		1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
French	poirier		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
German	Birnbaum		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
German	Birne		2	Reichel, S. 1998. pers. comm. Note: re. German common names
German	Birnenbaum		2	Reichel, S. 1998. pers. comm. Note: re. German common names
Italian	pera		2	Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
Italian	pero		2	Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
Japanese Rōmaji	seiyō-nashi		2	Ohwi, J. 1965. Flora of Japan (Engl. ed.).
Portuguese	pereira		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanish	pera		2	Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
Spanish	peral		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Swedish	päron		2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Chinese	xi yang li	as Pyrus communis var. sativa	2	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Pyrus communis var. sativa
Transcribed Korean	byeongbaenamu		2	Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:122.

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Sample Size	Study	Inventory	Availability
CYTOLOGIC	PLOIDY LEVEL	Number of sets of chromosomes.	2x - diploid		PYRUS.PLOIDY.2008	CPYR 901 .001 PL	Not Available
DISEASE	FRUIT_SCAB	RATING OF DAMAGE CAUSED BY FRUIT SCAB	1 - NO DAMAGE		PYRUS.CORVALLIS.1987		Not Available
DISEASE	FRUIT_SCAB	RATING OF DAMAGE CAUSED BY FRUIT SCAB	3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)		PYRUS.CORVALLIS.1987		Not Available
DISEASE	FRUIT_SCAB	RATING OF DAMAGE CAUSED BY FRUIT SCAB	3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)		PYRUS.CORVALLIS.2003.FRUITSCAB	CPYR 901 .001 PL	Not Available
DISEASE	FRUIT_SCAB	RATING OF DAMAGE CAUSED BY FRUIT SCAB	6 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)		PYRUS.CORVALLIS.2002.FRUITSCAB	CPYR 901 .001 PL	Not Available
DISEASE	FRUIT_SCAB	RATING OF DAMAGE CAUSED BY FRUIT SCAB	7 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)		PYRUS.CORVALLIS.1994.FRUITSCAB	CPYR 901 .001 PL	Not Available
DISEASE	FRUIT_SCAB	RATING OF DAMAGE CAUSED BY FRUIT SCAB	7 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)		PYRUS.CORVALLIS.2001.FRUITSCAB	CPYR 901 .001 PL	Not Available
DISEASE	FRUIT_SCAB	RATING OF DAMAGE CAUSED BY FRUIT SCAB	8 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)		PYRUS.CORVALLIS.2005.FRUITSCAB	CPYR 901 .001 PL	Not Available
DISEASE	LEAF_SCAB	RATING OF DAMAGE CAUSED BY LEAF SCAB	1 - NO DAMAGE		PYRUS.CORVALLIS.1987		Not Available
DISEASE	MILDEW	RATING OF DAMAGE CAUSED BY MILDEW	1 - NO DAMAGE	3	PYRUS.CORVALLIS.2003.MILDEW	CPYR 901 .001 PL	Not Available
DISEASE	MILDEW	RATING OF DAMAGE CAUSED BY MILDEW	1 - NO DAMAGE	5	PYRUS.CORVALLIS.2002.MILDEW	CPYR 901 .001 PL	Not Available
DISEASE	PSEUDOMONAS	RATING OF DAMAGE CAUSED BY PSEUDOMONAS	1 - NO DAMAGE		PYRUS.CORVALLIS.1988		Not Available
DISEASE	RUST	RATING OF DAMAGE CAUSED BY RUST	1 - NO DAMAGE		PYRUS.CORVALLIS.1987		Not Available
GROWTH	TREE SYMMETRY	SYMMETRY OF TREE GROWTH	1 - ASYMMETRIC		PYRUS.WIEGREFE.1992		Not Available
INSECT	BLISTER_MITES	RATING OF DAMAGE CAUSED BY BLISTER MITES	1 - NO DAMAGE		PYRUS.CORVALLIS.1987		Not Available
INSECT	BLISTER_MITES	RATING OF DAMAGE CAUSED BY BLISTER MITES	3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)		PYRUS.CORVALLIS.1987		Not Available
MORPHOLOGY	PEDICEL_ATTACHMENT	PEDICEL ATTACHMENT	U - SUNKEN		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	CAVITY	CAVITY	AM - ACUTE MEDIUM		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	CALYX	CALYX	P - PERSISTANT		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	CALYX_BASIN	CALYX BASIN	OS - OBTUSE SHALLOW		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	GROUND_COLOR	GROUND COLOR	YG - YELLOW GREEN		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	OVER_COLOR	OVERCOLOR	N - NONE		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	RUSSET	AMOUNT OF RUSSETING	1 - NONE		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	LENTICELS	NUMBER OF LENTICELS	7 - (1 = FEW, 9 = MANY)		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	LENTICEL_SIZE	SIZE OF LENTICELS	6 - (1 = SMALL, 9 = LARGE)		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	FLESH_COLOR	FLESH COLOR	C - CREAM		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	FLESH_TEXTURE	FLESH TEXTURE	6 - (1 = FINE, 9 = COARSE)		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	CARPEL_NUMBER	NUMBER OF CARPELS	5		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	GRIT	NUMBER OF STONE CELLS	6 - (1 = NO STONE CELLS, 9 = MANY STONE CELLS)		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	GRIT_SIZE	SIZE AND LOCATION OF STONE CELLS	L - LARGE		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	OXIDATION	OXIDATION OF CUT MEASURED AFTER 5 MINUTES	3 - (1 = NONE, 9 = SEVERE)		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	FLAVOR	FLAVOR OF FRUIT FLESH	A - ACID		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	FLAVOR	FLAVOR OF FRUIT FLESH	T - ASTRINGENT		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	QUALITY	QUALITY OF FRUIT FLESH A COMBINATION OF FLAVOR, TEXTURE AND AROMA	1 - POOR		PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	BLOOM_DENSITY	BLOOM DENSITY	1 - LOW		PYRUS.CORVALLIS.1987		Not Available
MORPHOLOGY	BLOOM_DENSITY	BLOOM DENSITY	2 - (1 = LOW, 9 = HIGH)		PYRUS.CORVALLIS.1988		Not Available
MORPHOLOGY	BLOOM_DENSITY	BLOOM DENSITY	3 - (1 = LOW, 9 = HIGH)		PYRUS.CORVALLIS.1987		Not Available
MORPHOLOGY	BLOOM_DENSITY	BLOOM DENSITY	9 - HIGH		PYRUS.CORVALLIS.1988		Not Available
MORPHOLOGY	TREE SHAPE	OVERALL SHAPE OF TREE SILHOUETTE	3 - OVAL ROUND		PYRUS.WIEGREFE.1992		Not Available
MORPHOLOGY	CENTRAL LEADER	DOMINANCE OR PERSISTENCE OF THE CENTRAL LEADER	2 - MODERATE		PYRUS.WIEGREFE.1992		Not Available
MORPHOLOGY	BRANCH ANGLE 1	LOWER LIMIT OF TYPICAL BRANCH ANGLE IN DEGREES	0		PYRUS.WIEGREFE.1992		Not Available
MORPHOLOGY	BRANCH ANGLE 2	UPPER LIMIT OF TYPICAL BRANCH ANGLE IN DEGREES	0		PYRUS.WIEGREFE.1992		Not Available
MORPHOLOGY	BRANCH DENSITY	DENSITY OF BRANCHING	1 - OPEN		PYRUS.WIEGREFE.1992		Not Available
MORPHOLOGY	BRANCH STIFFNESS	PHYSICAL (N.N. VISUAL) STIFFNESS OF BRANCHES	2 - INTERMEDIATE		PYRUS.WIEGREFE.1992		Not Available
MORPHOLOGY	BARK OTHER	SECONDARY BARK CHARACTERISTICS	2 - EXFOLIATING		PYRUS.WIEGREFE.1992		Not Available
MORPHOLOGY	THORN ADULT	PRESENCE OF THORNS AS ADULT	1 - NONE		PYRUS.WIEGREFE.1992		Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	78		PYRUS.CORVALLIS.1986		Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	84		PYRUS.CORVALLIS.1990		Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	85		PYRUS.CORVALLIS.1988		Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	98		PYRUS.CORVALLIS.1989		Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	104		PYRUS.CORVALLIS.1989		Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	89		PYRUS.CORVALLIS.1987		Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	90		PYRUS.CORVALLIS.1990		Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	95		PYRUS.CORVALLIS.1988		Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	100		PYRUS.CORVALLIS.1990		Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	102		PYRUS.CORVALLIS.1988		Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	106		PYRUS.CORVALLIS.1987		Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	110		PYRUS.CORVALLIS.1989		Not Available
PHENOLOGY	FULL_RIPE	JULIAN DATE OF FULL RIPE FRUIT	217		PYRUS.CORVALLIS.1987		Not Available
PHENOLOGY	FULL_RIPE	JULIAN DATE OF FULL RIPE FRUIT	241		PYRUS.CORVALLIS.1990		Not Available
PRODUCTION	YIELD	YIELD (PRODUCTIVITY)	1 - HIGH		PYRUS.CORVALLIS.1987		Not Available
PRODUCTION	PRECOCITY	NUMBER OF YEARS FROM PLANTING TO FIRST FRUIT	2		PYRUS.CORVALLIS.1986		Not Available