Details for: PI 228013, Pyrus pyrifolia (Burm. f.) Nakai, 'Ishiiwase'

Summary Data

Taxonomy:

Pyrus pyrifolia (Burm. f.) Nakai

Cultivar:

'Ishiiwase'

Origin:

Developed – Japan

Maintained:

National Clonal Germplasm Repository

Received by NPGS:

24 Mar 1981

PI Assigned:

1955

Improvement Status:

Cultivar

Form Received:

Plant

Life Form:

Tree

Life Habit:

Tree

Inventory Volume:

163
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 (1 total. Click on image for more.)

Core Passport Data

Taxonomy:

Pyrus pyrifolia (Burm. f.) Nakai

Cultivar:

'Ishiiwase'

Origin:

Developed – Japan

Maintained:

National Clonal Germplasm Repository

Received by NPGS:

24 Mar 1981

PI Assigned:

1955

Improvement Status:

Cultivar

Form Received:

Plant

Life Form:

Tree

Life Habit:

Tree

Source History

Developed

1921.
Japan
Comment: Cultivar originated in 1916
Developer(s):

Kenkichi, Ishii

Donated

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

Waterworth, Howard, USDA, ARS

27 February 2004.
California, United States

Donor(s):

Dave Wilson Nursery

Accession Names and Identifiers

'Ishiiwase'

Type: Cultivar name

ASIAN CULTIVAR

Type: Site identifier

Group: CROPTYPE

CPYR 296

Type: Site identifier

Group: LOCAL

Corvallis local number

Ishiwase

Type: Other or unclassified name

alternate English spelling

Narrative

Seedling of Nijisseiki x Doitsu, originated by Mr. Kenkichi Ishii in Ichikawa City, Chiba Prefecture, Japan. Cross made in 1916, selected in 1921 (Kubo 1962). -- W.H. Griggs and B.T. Awakiri. 1977. Asian Pear Varieties in California

Pyrus pyrifolia (Burm. f.) Nakai

Genus:

Pyrus

Section:

Pashia

Family:

Rosaceae

Subfamily:

Amygdaloideae

Tribe:

Maleae

Subtribe:

Malinae

Nomen number:

30569

Place of publication:

Bot. Mag. (Tokyo) 40:564. 1926

Verified:

07/13/2011 by ARS Systematic Botanists.

Other conspecific taxa

Pyrus pyrifolia (Burm. f.) Nakai var. culta (Makino) Nakai (0 active accession[s])
Pyrus pyrifolia (Burm. f.) Nakai var. pyrifolia (1 active accession[s])

Autonyms (not in current use), synonyms and invalid designations

Autonym(s)
Pyrus pyrifolia (Burm. f.) Nakai f. pyrifolia

Heterotypic Synonym(s)
Pyrus pyrifolia (Burm. f.) Nakai f. stapfiana (Rehder) Rehder
Pyrus serotina Rehder
Pyrus serotina Rehder var. serotina
Pyrus serotina Rehder var. stapfiana Rehder

Common names

Language	Name	Alternate name	note	seq	Citation
Swedish	sandpäron			2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Korean	dolbaenamu			2	Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:123.

Annotations

Taxonomic Re-Identification: 28 Sep 1999, from Pyrus spp. to Pyrus pyrifolia (Burm. f.) Nakai

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study	Inventory	Availability
CYTOLOGIC	PLOIDY LEVEL	Number of sets of chromosomes.	2x - diploid	PYRUS.PLOIDY.2013	CPYR 296 .002 PL	Not Available
DISEASE	FRUIT_SCAB	RATING OF DAMAGE CAUSED BY FRUIT SCAB	0 - 0 (No Fruit to assess)	PYRUS.CORVALLIS.2005.FRUITSCAB	CPYR 296 .002 PL	Not Available
DISEASE	FRUIT_SCAB	RATING OF DAMAGE CAUSED BY FRUIT SCAB	2 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)	PYRUS.CORVALLIS.1988		Not Available
DISEASE	PSEUDOMONAS	RATING OF DAMAGE CAUSED BY PSEUDOMONAS	5 - (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	AS - ACUTE SHALLOW	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	CALYX	CALYX	D - DECIDUOUS	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	CALYX_BASIN	CALYX BASIN	OS - OBTUSE SHALLOW	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	GROUND_COLOR	GROUND COLOR	O - ORANGE	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	OVER_COLOR	OVERCOLOR	N - NONE	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	RUSSET	AMOUNT OF RUSSETING	9 - COMPLETELY RUSSETED	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	RUSSET_LOCATION	LOCATION OF RUSSETING	E - EVERYWHERE	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	1 - SMALL	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	DOTS	DOTS	O - OBSCURE	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	FLESH_COLOR	FLESH COLOR	G - GREEN	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	C - CRISP	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	TEXTURE_TYPE	FLESH TEXTURE TYPE	J - JUICY	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	FRUITCORE	CORE	M - MEDIAN	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	CARPEL_NUMBER	NUMBER OF CARPELS	5	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	GRIT	NUMBER OF STONE CELLS	1 - NO STONE CELLS	PYRUS.CORVALLIS.STD		Not Available
MORPHOLOGY	CORE_BREAKDOWN	DEGREE OF CORE BREAKDOWN, DETERMINED ON TREE RIPENED FRUIT	1 - NONE	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	B - BLAND	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	2 - (1 = LOW, 9 = HIGH)	PYRUS.CORVALLIS.1987		Not Available
MORPHOLOGY	BLOOM_DENSITY	BLOOM DENSITY	4 - (1 = LOW, 9 = HIGH)	PYRUS.CORVALLIS.1987		Not Available
MORPHOLOGY	BLOOM_DENSITY	BLOOM DENSITY	8 - (1 = LOW, 9 = HIGH)	PYRUS.CORVALLIS.1988		Not Available
MORPHOLOGY	BLOOM_DENSITY	BLOOM DENSITY	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	78	PYRUS.CORVALLIS.1986		Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	83	PYRUS.CORVALLIS.1986		Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	89	PYRUS.CORVALLIS.1987		Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	91	PYRUS.CORVALLIS.1988		Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	91	PYRUS.CORVALLIS.1990		Not Available
PHENOLOGY	FIRST_BLOOM	JULIAN DATE OF FIRST BLOOM	92	PYRUS.CORVALLIS.1988		Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	100	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	96	PYRUS.CORVALLIS.1990		Not Available
PHENOLOGY	FULL_BLOOM	JULIAN DATE OF FULL BLOOM	98	PYRUS.CORVALLIS.1988		Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	105	PYRUS.CORVALLIS.1987		Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	106	PYRUS.CORVALLIS.1987		Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	108	PYRUS.CORVALLIS.1990		Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	112	PYRUS.CORVALLIS.1988		Not Available
PHENOLOGY	LAST_BLOOM	JULIAN DATE OF LAST BLOOM	114	PYRUS.CORVALLIS.1989		Not Available
PHENOLOGY	FULL_RIPE	JULIAN DATE OF FULL RIPE FRUIT	213	PYRUS.CORVALLIS.1990		Not Available
PHENOLOGY	FULL_RIPE	JULIAN DATE OF FULL RIPE FRUIT	217	PYRUS.CORVALLIS.1987		Not Available
PRODUCTION	YIELD	YIELD (PRODUCTIVITY)	2 - MEDIUM	PYRUS.CORVALLIS.1987		Not Available