Details for: PI 231802, Pyrus communis L., 'Thompsons'

Summary Data

Taxonomy:

Pyrus communis L.

Cultivar:

'Thompsons'

Origin:

Developed – Belgium

Maintained:

Historic Record

Received by NPGS:

24 Mar 1981

PI Assigned:

1956

Improvement Status:

Cultivar

Form Received:

Plant

Life Form:

Tree

Life Habit:

Tree

Inventory Volume:

164
View original Plant Inventory data in pdf format

Availability

This is historical information about this accession. It no longer exists and can not be requested.

There are no images for this accession.

Core Passport Data

Taxonomy:

Pyrus communis L.

Cultivar:

'Thompsons'

Origin:

Developed – Belgium

Maintained:

Historic Record

Received by NPGS:

24 Mar 1981

PI Assigned:

1956

Improvement Status:

Cultivar

Form Received:

Plant

Life Form:

Tree

Life Habit:

Tree

Source History

Developed

1819.
Belgium
Comment: Cultivar originated in 1819
Developer(s):

Van Mons

Donated

24 March 1981.
Maryland, United States
Comment: Received from Sawbridgeworth, England to Glenn Dale, MD to NCGR-Corvallis.
Donor(s):

Waterworth, Howard, USDA, ARS

Accession Names and Identifiers

'Thompsons'

Type: Cultivar name

Van Mons,

'Thompson's'

Type: Cultivar name

EUROPEAN CULTIVAR

Type: Site identifier

Group: CROPTYPE

CPYR 576

Type: Inventory

Narrative

Believed to be a seedling raised by Van Mons in Belgium, sent to England about 1820 without a name. Named after Robert Thompson, then Fruit Foreman at the Royal Horticulture Society garden, Chiswick by Joseph Sabine, Secretary of the RHS from 1816 to 1830. Good quality pear. -- J. Arbury 1997

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	Study	Availability
DISEASE	FRUIT_SCAB	RATING OF DAMAGE CAUSED BY FRUIT SCAB	3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)	PYRUS.CORVALLIS.1988	Not Available
DISEASE	PSEUDOMONAS	RATING OF DAMAGE CAUSED BY PSEUDOMONAS	3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)	PYRUS.CORVALLIS.1988	Not Available
MORPHOLOGY	PEDICEL_ATTACHMENT	PEDICEL ATTACHMENT	U - SUNKEN	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	CAVITY	CAVITY	OS - OBTUSE SHALLOW	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	CALYX_BASIN	CALYX BASIN	AD - ACUTE DEEP	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	GROUND_COLOR	GROUND COLOR	Y - YELLOW	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	OVER_COLOR	OVERCOLOR	BL - BLUSH	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	OVERCOLOR_AMT	PERCENT OF FRUIT SURFACE WITH OVERCOLOR	10	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	RUSSET	AMOUNT OF RUSSETING	3 - (1 = NONE, 9 = COMPLETELY RUSSETED)	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	RUSSET_LOCATION	LOCATION OF RUSSETING	C - CALYX END	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	LENTICELS	NUMBER OF LENTICELS	5 - (1 = FEW, 9 = MANY)	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	LENTICEL_SIZE	SIZE OF LENTICELS	7 - (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	5 - (1 = FINE, 9 = COARSE)	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	TEXTURE_TYPE	FLESH TEXTURE TYPE	B - BUTTERY	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	FRUITCORE	CORE	D - DISTANT	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	CARPEL_NUMBER	NUMBER OF CARPELS	5	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	GRIT	NUMBER OF STONE CELLS	4 - (1 = NO STONE CELLS, 9 = MANY STONE CELLS)	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	OXIDATION	OXIDATION OF CUT MEASURED AFTER 5 MINUTES	1 - NONE	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	FLAVOR	FLAVOR OF FRUIT FLESH	P - SPICY	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	FLAVOR	FLAVOR OF FRUIT FLESH	S - SWEET	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	QUALITY	QUALITY OF FRUIT FLESH A COMBINATION OF FLAVOR, TEXTURE AND AROMA	5 - (1 = POOR, 9 = EXCELLENT)	PYRUS.CORVALLIS.STD	Not Available
MORPHOLOGY	BLOOM_DENSITY	BLOOM DENSITY	1 - LOW	PYRUS.CORVALLIS.1988	Not Available
MORPHOLOGY	BLOOM_DENSITY	BLOOM DENSITY	2 - (1 = LOW, 9 = HIGH)	PYRUS.CORVALLIS.1987	Not Available
MORPHOLOGY	BLOOM_DENSITY	BLOOM DENSITY	7 - (1 = LOW, 9 = HIGH)	PYRUS.CORVALLIS.1988	Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	100	PYRUS.CORVALLIS.1989	Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	87	PYRUS.CORVALLIS.1986	Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	91	PYRUS.CORVALLIS.1987	Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	92	PYRUS.CORVALLIS.1990	Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	94	PYRUS.CORVALLIS.1988	Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	96	PYRUS.CORVALLIS.1988	Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	100	PYRUS.CORVALLIS.1987	Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	103	PYRUS.CORVALLIS.1988	Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	108	PYRUS.CORVALLIS.1989	Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	93	PYRUS.CORVALLIS.1987	Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	97	PYRUS.CORVALLIS.1990	Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	110	PYRUS.CORVALLIS.1990	Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	111	PYRUS.CORVALLIS.1988	Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	111	PYRUS.CORVALLIS.1987	Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	112	PYRUS.CORVALLIS.1987	Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	116	PYRUS.CORVALLIS.1989	Not Available
PHENOLOGY	FULL_RIPE	JULIAN DATE OF FULL RIPE FRUIT	247	PYRUS.CORVALLIS.1990	Not Available
PRODUCTION	PRECOCITY	NUMBER OF YEARS FROM PLANTING TO FIRST FRUIT	3	PYRUS.CORVALLIS.1986	Not Available