NCGR-Corvallis Pyrus Catalog
Asian Cultivars
Note: Scions cannot be certified free of Erwinia amylovora
Follow links to the Germplasm Resources Information Network (GRIN) for additional accession information.
Catalog last updated: 10 March 2016
Traits listed are intended for preliminary subgrouping of accessions. Traits are from germplasm release notices, published reports, or observations made at NCGR-Corvallis.
- Ba Li Xiang [Ba Li Hsiang] = PI 541985 (27.002) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Pedigree: old pear local selection from Liaoning and Hebei Provinces
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Positive: MM-2003, Negative: NP-1988 PV-1988
- Traits: VERY LATE RIPE, FIRE BLIGHT RESISTANT, MILDEW RESISTANT, ROOTSTOCK, SCAB RESISTANT, DIPLOID (flow cytometry), HEIRLOOM
- Bai Li = PI 654959 (2785.001) - Pyrus ×bretschneideri Rehder
- Pedigree: Recived from Kazakhstan, where they are used as pear rootstocks. Originated in China.
- Virus Biological Assays - Negative: NP-2003
- Traits: ROOTSTOCK, DIPLOID (flow cytometry 2012)
- Bou Tsu Li = PI 617673 (2618.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS INFECTED
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Positive: NP-2003, Negative: PV-2001
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Changpa Li = PI 617619 (2547.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Virus Biological Assays - Positive: NP-1999 PV-1999
- Traits: SCAB RESISTANT
- Chiao-Ma = PI 665778 (2853.001) - Pyrus ussuriensis Maxim.
- Traits: DIPLOID (flow cytometry 2012)
- Chieh Li x Japanese Golden Russet (Decline Susc.) = PI 541761 (1227.001) - Pyrus hybrid
- Pedigree: Chieh Li x Jap. Gold. Russet
- Virus Biological Assays - Negative: N.Poiteau-1991 Pyronia-1988 V.Crab-1991
- Traits: ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
- Chien Li = PI 617537 (2338.001) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: NP-2003 PV-1998
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Chien Pa Li (=Pa Li) = PI 541987 (134.001) - Pyrus ussuriensis Maxim.
- Virus Lab Assays - Negative: TOMRSV-1986, Uncertain: ASGV-1989
- Virus Biological Assays - Negative: LA62-1983 M.micromalus-1995 N.Poiteau-1985 Pyronia-1987
- Traits: VERY LATE RIPE, FIRE BLIGHT RESISTANT, PERRY POTENTIAL, DIPLOID (flow cytometry 2012)
- Chin Li = PI 541909 (1186.001) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: Bosc-1989 N.Poiteau-1985 Pyronia-1988 V.Crab-1988
- Traits: LATE RIPE, DIPLOID (flow cytometry 2012)
- China = PI 133540 (1077.003) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: NP-1990 PV-1991
- Traits: LATE RIPE, LOW CHILL, HEIRLOOM, DIPLOID (flow cytometry 2012), FIRE BLIGHT RESISTANT
- Chinese Fragrant Pear Seedling 3 = PI 665745 (2934.003) - Pyrus ×sinkiangensis T. T. Yu
- Traits: CURATOR CHOICE, LATE RIPE, HIGH FRUIT QUALITY
- Chinese Fragrant Pear Seedling 5 = PI 665745 (2934.005) - Pyrus ×sinkiangensis T. T. Yu
- Chinfon Li = PI 654917 (2445.001) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: MM-1996 NP-1992 PV-1991
- Traits: DIPLOID (flow cytometry 2012)
- Choju (=Ichiban Nashi tm) = PI 638012 (2820.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Asahi x Kitsukawasei
- Traits: FIRE BLIGHT SUSCEPTIBLE, SCAB RESISTANT, EARLY RIPE, DIPLOID (flow cytometry)
- Chui Chi Li = PI 307544 (137.002) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: NP-2003 PV-1999
- Traits: DIPLOID (flow cytometry 2012)
- Da Tou Huang [Ta Tau Huang] = PI 542002 (562.003) - Pyrus ussuriensis Maxim.
- Pedigree: selection from Liaoning Province
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: NP-1990 PV-1991, Uncertain: VC-1989
- Traits: FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry 2012)
- Daisui Li = PI 657916 (2625.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Kikusui x Tsu Li
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: NP-2003 PV-2001
- Traits: DIPLOID (flow cytometry 2012)
- Dan Bae (Olympic) = PI 617678 (2623.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: MM-1999 NP-2001 PV-2001
- Traits: SCAB RESISTANT, LATE RIPE
- Doitsu = PI 228012 (178.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: MM-1998 NP-1995 PV-1995
- Traits: HEIRLOOM, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Fu-Wu-Shian = PI 654944 (2756.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-2003
- Guar Li Sdlg No. 2 = PI 541988 (259.003) - Pyrus ussuriensis Maxim.
- Pedigree: Seedling of cultivar Guar Li grown from seed collected in China by F.C. Reimer in 1917
- Virus Biological Assays - Negative: NP-2002 PV-2001
- HN-36 P. pyrifolia (Virus Indicator) = PI 358953 (886.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Seedling of cultivar Nijusseki
- Virus Biological Assays - Negative: N.Poiteau-1990 Pyronia-1985
- Traits: VIRUS INDICATOR, SCAB RESISTANT, ANEUPLOID (flow cytometry 2013), DIPLOID (flow cytometry 2014)
- HN-39 P. pyrifolia (Virus Indicator) = PI 358954 (887.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Seedling of cultivar Nijusseiki
- Virus Biological Assays - Negative: N.Poiteau-1987 P.Crassane-1985 Pyronia-1990
- Traits: VIRUS INDICATOR
- Hakko = PI 654943 (2754.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: PV-2003
- Hang Pa Li = PI 315064 (268.001) - Pyrus ussuriensis Maxim.
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1998 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985
- Traits: MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
- Hansen Siberian Pear = PI 542004 (1095.001) - Pyrus ussuriensis Maxim.
- Pedigree: Probably a seedling selection
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: N.Poiteau-1989 Pyronia-1988, Uncertain: Bosc-1989 M.micromalus-2003
- Traits: COLD HARDY, MILDEW RESISTANT, LOW CHILL, EARLY BLOOM, DIPLOID (flow cytometry), FIRE BLIGHT RESISTANT
- Harbin (P. ussuriensis) = PI 542019 (1318.001) - Pyrus ussuriensis Maxim.
- Pedigree: Selection of seed-propagated variety from China
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: M.micromalus-2003 N.Poiteau-1988 P.Crassane-1984 Pyronia-1987
- Traits: FIRE BLIGHT RESISTANT, COLD HARDY, MILDEW RESISTANT, DIPLOID (flow cytometry)
- Hau Kai = PI 541989 (269.003) - Pyrus ussuriensis Maxim.
- Pedigree: very old cultivar from Liaoning (northeast) China
- Virus Biological Assays - Negative: NP-1993 PV-1993
- Traits: SCAB RESISTANT
- Hawaii = PI 541897 (270.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: N.Poiteau-1987 P.Crassane-1984 Pyronia-1985 V.Crab-1988
- Traits: LATE RIPE, FIRE BLIGHT RESISTANT, SCAB RESISTANT, HEIRLOOM
- Hawaii x Japanese Golden Russet = PI 541765 (1231.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Hawaii x Jap. Gold. Russet
- Virus Biological Assays - Negative: B13-1983 N.Poiteau-1985 Pyronia-1987
- Traits: ROOTSTOCK, SCAB RESISTANT
- Hawaii x Japanese Golden Russet = PI 541766 (1232.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Hawaii x Jap. Gold. Russet
- Virus Biological Assays - Negative: MM-1996 NP-1992 PV-1992
- Traits: ROOTSTOCK, SCAB RESISTANT
- Henderson = PI 617664 (2609.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS INFECTED
- Virus Biological Assays - Positive: PV-2001, Uncertain: ASGV-1999
- Traits: LOW CHILL
- Hong Yiungli = Q 27966 (2764.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Uncertain: NP-2003
- Traits: Larger than Korla Xiong Li
- Hosui = PI 541931 (2149.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: (Kikusi x Yakumo) x Yakumo
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: NP-1990 PV-1991, Uncertain: MM-2000
- Traits: FIRE BLIGHT SUSCEPTIBLE, BLACK SPOT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry), CURATOR CHOICE, DNA Standard
- Hua Gua (Hua-Gai) = PI 665779 (2637.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Huagai Li [Hua Kai] = PI 307545 (287.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Pedigree: very old cultivar from Liaoning (northeast) China
- Virus Biological Assays - Positive: P.Crassane-1983 Vein Yellows-1985, Negative: V.Crab-1988, Uncertain: Bosc-1989
- Traits: FIRE BLIGHT SUSCEPTIBLE, SCAB RESISTANT
- Huangxianshui Li [Huang Hsing Sui Li] = PI 541990 (288.002) - Pyrus ussuriensis Maxim.
- Pedigree: old selection from Shandong Province complex hybrid of ussuriensis (x bretschneideri)
- Virus Biological Assays - Negative: NP-1990 PV-1989
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT
- Huhoot Li = PI 541966 (2255.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-1990 PV-1991
- Traits: LATE RIPE, SCAB RESISTANT
- Hung Li = PI 541993 (291.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Pedigree: P. ussuriensis x P. phaeocarpa complex hybrid of ussuriensis (x bretschneideri)
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Positive: P.Crassane-1983 Vein Yellows-1985, Negative: Bosc-1987 Pyronia-2002, Uncertain: M.micromalus-2003
- Traits: LATE RIPE, FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry)
- Imamura Aki = PI 352641 (294.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: M.micromalus-1997 N.Poiteau-1987 P.Crassane-1984 Pyronia-1984 V.Crab-1988
- Traits: LATE RIPE, BLACK SPOT RESISTANT, SCAB RESISTANT
- India IC 22040 = Q 43103 (2985.001) - Pyrus sp.
- Ishiiwase = PI 228013 (296.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Nijisseiki x Doitsu
- Virus Biological Assays - Uncertain: NP-2004
- Japanese Golden Russet = PI 541898 (303.003) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-1995 PV-1996, Uncertain: MM-1996
- Traits: SCAB RESISTANT
- Japanese Golden Russet x Mikado (Decline Resist.) = PI 541762 (1228.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Jap. Gold. Russet x Mikado
- Virus Lab Assays - Negative: TOMRSV-1986
- Virus Biological Assays - Negative: N.Poiteau-1985
- Traits: ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
- Japanese Golden Russet x Mikado (Decline Susc.) = PI 541763 (1229.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Japanese Golden Russett x Mikado
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987
- Traits: ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
- Jilin = CPYR 3017 (3017.001) - Pyrus sp.
- Pedigree: O.P. seedling from market fruit purchased in Antu, Jilin, China
- Traits: LATE RIPE, DIPLOID (flow cytometry 2014)
- Jilin Market 99015 = PI 637991 (2709.001) - Pyrus sp.
- Pedigree: Collected at a market in Antu, Jilin, China
- Traits: LATE RIPE
- Joghoso I = PI 654926 (2654.002) - Pyrus ×sinkiangensis T. T. Yu
- Pedigree: Collected from the wild in Pakistan
- K-23195 - Russia = PI 654948 (2762.001) - Pyrus sp.
- Khan Tangoo I (great pear) = PI 654939 (2722.001) - Pyrus pyrifolia hybrid
- Virus Biological Assays - Negative: NP-2002 PV-2002
- Traits: DIPLOID (flow cytometry 2012)
- Kharnak I (donkey pear) = PI 665794 (2662.002) - Pyrus pashia hybrid
- Traits: NOT COLD HARDY, FRUIT HARD and only fit for donkeys
- Kikusui = PI 228014 (317.003) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Taihaku x Nijisseiki
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: MM-1998 NP-1998 PV-1998
- Traits: FIRE BLIGHT SUSCEPTIBLE, BLACK SPOT RESISTANT, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
- Kimizukawase = PI 352633 (318.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Shinkozo x Doitsu
- Virus Biological Assays - Negative: MM-2003
- Traits: EARLY RIPE
- Koyama Pear = PI 541805 (1648.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Nijusseiki x P. communis European Cultivar
- Virus Lab Assays - Uncertain: ASGV-1989
- Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1987, Uncertain: M.micromalus-1995
- Kumoi = PI 228015 (1181.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Ishiiwase x Yakumo
- Virus Biological Assays - Negative: Bosc-1989 N.Poiteau-1985 Pyronia-1990 V.Crab-1988
- Traits: BLACK SPOT RESISTANT, SCAB RESISTANT
- Kumoi [Kumoe] = PI 228015 (329.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Ishiiwase x Yakumo
- Traits: BLACK SPOT RESISTANT, SCAB RESISTANT
- Laioyang 50 = PI 144035 (1105.002) - Pyrus sp.
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: MM-2002 NP-1989 PV-1989
- Traits: MILDEW RESISTANT, LOW CHILL, EARLY BLOOM, DIPLOID (flow cytometry)
- Lantai Jululi = PI 654949 (2765.001) - Pyrus ×sinkiangensis T. T. Yu
- Traits: FRAGRANT PEAR
- Lao Suan Li [Lo Suan Li] = PI 541994 (355.001) - Pyrus ussuriensis Maxim.
- Pedigree: old cultivar from northeast China
- Virus Biological Assays - Negative: Bosc-1988 N.Poiteau-1987 P.Crassane-1984 Pyronia-1984 V.Crab-1988
- Traits: FIRE BLIGHT RESISTANT
- Ledbetter Pear = PI 641280 (2597.001) - Pyrus sp. - VIRUS INFECTED
- Virus Biological Assays - Positive: NP-1998 PV-1998
- Traits: LATE RIPE, LOW CHILL
- Liu Yue Xian [Liu Yue Shian] = PI 637988 (2545.001) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: MM-1998 NP-1998 PV-1998
- Liu Yue Xian [Liu Yue Shian] = PI 637988 (2545.002) - Pyrus ussuriensis Maxim.
- Man Yuan Xiang [Man Yuan Hsiang] = PI 541996 (378.002) - Pyrus ussuriensis Maxim.
- Pedigree: old local cultivar from northeast China
- Virus Biological Assays - Negative: MM-1998 NP-1995 PV-1995
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT
- Meigetsu = PI 97348 (1119.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: Bosc-1989 M.micromalus-2002 N.Poiteau-1985 Pyronia-1988
- Traits: FIRE BLIGHT SUSCEPTIBLE, MILDEW RESISTANT, DIPLOID (flow cytometry)
- Mian Suan = PI 665780 (2869.001) - Pyrus ussuriensis Maxim.
- Traits: DIPLOID (flow cytometry 2014)
- Mien Suan Li (3x) = PI 542006 (1121.001) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1988
- Traits: FIRE BLIGHT RESISTANT, POLYPLOID (3x flow cytometry 2013)
- Mishirasu = PI 657919 (2821.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Nan Guo Li [Nangon Li] = PI 541965 (2254.002) - Pyrus ussuriensis Maxim.
- Pedigree: seedling selection from Liaoning
- Virus Biological Assays - Negative: NP-1991 PV-1991
- Traits: MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry), PERRY POTENTIAL, HEIRLOOM
- Naspati = PI 250449 (411.001) - Pyrus pashia Buch.-Ham. ex D. Don
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1985 P.Crassane-1984 Pyronia-1991 V.Crab-1988
- Traits: VERY LATE RIPE, LOW CHILL, NOT COLD HARDY, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
- Nepal 1-150 = Q 25261 (2641.005) - Pyrus pyrifolia hybrid
- Nepal 5049 = PI 654937 (2718.001) - Pyrus pashia hybrid
- Virus Biological Assays - Negative: NP-2002 PV-2002
- Traits: LOW CHILL, NOT COLD HARDY
- Nepal 5053 = PI 654923 (2642.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-2004
- Niitaka (=Singo) = PI 392317 (412.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Amanogawa x Imamuraaki
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: M.micromalus-1998 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1992
- Traits: FIRE BLIGHT SUSCEPTIBLE, BLACK SPOT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
- Nijisseiki = PI 224196 (413.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Chance seedling
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: Bosc-1987 N.Poiteau-1988 P.Crassane-1984 Pyronia-1984 V.Crab-1988, Uncertain: M.micromalus-2003
- Traits: FIRE BLIGHT SUSCEPTIBLE, DIPLOID (flow cytometry), HEIRLOOM
- Nijisseiki [Er Shi Shinge] = PI 312496 (212.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS INFECTED
- Pedigree: Chance seedling
- Virus Lab Assays - Negative: TOMRSV-1988
- Virus Biological Assays - Positive: N.Poiteau-1987 Pyronia-1987, Negative: P.Crassane-1985
- Traits: FIRE BLIGHT SUSCEPTIBLE, HEIRLOOM
- Okolo = PI 541908 (1185.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Seedling selection
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1988 V.Crab-1988, Uncertain: Bosc-1989
- Traits: FIRE BLIGHT RESISTANT, COLD HARDY, SCAB RESISTANT
- Okusankichi = PI 392318 (428.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS INFECTED
- Pedigree: Seedling of cultivar Wasesankichi
- Virus Biological Assays - Positive: M.micromalus-1995 V.Crab-1989, Negative: Bosc-1987 N.Poiteau-1985 Pyronia-1984
- Traits: VERY LATE RIPE, FIRE BLIGHT SUSCEPTIBLE, HEIRLOOM
- Pai Li (Beijing White Pear) = PI 541998 (439.001) - Pyrus ussuriensis Maxim.
- Pedigree: old selection from Beijing Region
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1988 P.Crassane-1984 Pyronia-1984 V.Crab-1988
- Traits: LATE RIPE, FIRE BLIGHT RESISTANT, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
- Ping Ding Li = PI 541999 (453.003) - Pyrus ×bretschneideri Rehder
- Pedigree: P. ussuriensis x P. phaeocarpa
- Virus Biological Assays - Negative: NP-1991 PV-1989
- Ping Guo Li [Pingo Li] = PI 267863 (455.002) - Pyrus ussuriensis Maxim.
- Pedigree: old selection from Jiling Province
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: MM-2002 NP-1991 PV-1991
- Traits: LATE RIPE, MILDEW RESISTANT, DIPLOID (flow cytometry)
- Saarli 86-1 - Turkmenistan = PI 654954 (2775.001) - Pyrus sp.
- Traits: DIPLOID (flow cytometry 2012)
- Samy's Estate = PI 278729 (510.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1988
- Traits: LATE RIPE, LOW CHILL, DIPLOID (flow cytometry 2012)
- Saprani I (P. pyrifolia) = PI 506375 (1686.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: M.micromalus-1996 N.Poiteau-1987 Pyronia-1987 V.Crab-1992
- Traits: ROOTSTOCK, DIPLOID (flow cytometry 2012)
- Seigyoku = PI 228017 (520.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Nijiseiki x Chojuro
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: Bosc-1987 M.micromalus-2002 Pyronia-1988 V.Crab-1988
- Traits: FIRE BLIGHT SUSCEPTIBLE, SCAB RESISTANT, LARGE FRUIT, DIPLOID (flow cytometry)
- Seuri Li = PI 541904 (1173.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: MM-2002 NP-1990 PV-1991
- Traits: FIRE BLIGHT RESISTANT, MILDEW RESISTANT, DIPLOID (flow cytometry)
- Seuri Li [Seu Ri] = PI 307497 (525.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: Bosc-1989 N.Poiteau-1987 P.Crassane-1984 Pyronia-1985
- Traits: FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry 2012)
- Shi Hua Li seedling = PI 541813 (2034.001) - Pyrus ussuriensis Maxim.
- Pedigree: Seedling selection from OP seed of cultivar Shi-Hua-Li
- Virus Biological Assays - Negative: N.Poiteau-1990 Pyronia-1993
- Traits: LATE RIPE, DIPLOID (flow cytometry 2012)
- Shian-Sui Li = PI 665784 (2854.001) - Pyrus ×bretschneideri Rehder
- Traits: DIPLOID (flow cytometry 2012)
- Shin Li = PI 617663 (2608.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS INFECTED
- Pedigree: Kikusui x Tse Li
- Virus Biological Assays - Positive: NP-2002 PV-2002
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Shinsei = PI 665797 (2857.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Traits: DIPLOID (flow cytometry 2012)
- Shinseiho = PI 352638 (527.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Suisei x Shinko
- Virus Biological Assays - Negative: NP-1989 PV-1987
- Traits: DIPLOID (flow cytometry 2012)
- Shinseiki = PI 224087 (528.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Nijiesiki x Chojuro
- Virus Lab Assays - Negative: APMV-1987 PBCVd-2000 PNRSV-1987
- Virus Biological Assays - Negative: N.Poiteau-1987 P.Crassane-1984 Pyronia-1985 V.Crab-1988, Uncertain: M.micromalus-2003
- Traits: BLACK SPOT RESISTANT, SCAB RESISTANT, COLD HARDY, DIPLOID (flow cytometry)
- Shinsui = PI 352636 (529.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Kikusui x Kimizukawase
- Virus Biological Assays - Negative: Bosc-1989 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1988
- Traits: CURATOR CHOICE, EARLY RIPE, DIPLOID (flow cytometry 2012)
- Shoghori II = PI 654946 (2758.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: PV-2003, Uncertain: NP-2004
- Traits: LATE BLOOM, LONG STORAGE, DIPLOID (flow cytometry 2012)
- Shu Li = PI 132103 (531.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: Bosc-1989 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985
- Traits: PERRY POTENTIAL, DIPLOID (flow cytometry 2012)
- Singo (=Niitaka) = PI 654919 (2447.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-2003
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Sion Szu Mi = PI 289525 (532.002) - Pyrus sp.
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: MM-2003 NP-1989 PV-1987
- Traits: DIPLOID (flow cytometry)
- Sivaganga Estate = PI 278731 (533.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1988
- Traits: LOW CHILL, DIPLOID (flow cytometry 2012)
- Sotoorihime = PI 506363 (1666.001) - Pyrus ussuriensis Maxim.
- Pedigree: Developed from native P. hondoensis
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1988, Uncertain: M.micromalus-2003
- Traits: LATE RIPE, ANCIENT, HEIRLOOM , DIPLOID (flow cytometry)
- Spin Tangoo (white pear) = PI 665793 (2660.002) - Pyrus pyrifolia hybrid
- Traits: SMALL FRUIT, DIPLOID (flow cytometry 2012)
- Suan Li = PI 44151 (1148.001) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: N.Poiteau-1987 P.Crassane-1984 Pyronia-1988
- Traits: LATE RIPE, FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry 2012)
- Suisei = PI 352637 (554.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Kikusui x Yakumo
- Virus Biological Assays - Negative: Bosc-1989 Pyronia-1989 V.Crab-1988
- Traits: BLACK SPOT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Suishu = PI 352645 (555.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS INFECTED
- Virus Biological Assays - Positive: Pyronia-1991, Negative: Bosc-1989 N.Poiteau-1988 P.Crassane-1985
- Traits: DIPLOID (flow cytometry 2012)
- Syan Li = PI 654960 (2786.001) - Pyrus ×bretschneideri Rehder
- Pedigree: Recived from Kazakhstan, where they are used as pear rootstocks. Originated in China.
- Virus Biological Assays - Negative: NP-2003
- Traits: ROOTSTOCK, DIPLOID (flow cytometry 2012)
- Szumi = PI 541905 (1174.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-1989 PV-1990
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Ta Mo Pan = PI 542000 (560.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Virus Biological Assays - Positive: P.Crassane-1984, Negative: Bosc-1989 V.Crab-1988
- Traits: DIPLOID (flow cytometry 2012)
- Ta Suan Li = PI 542001 (561.003) - Pyrus ussuriensis Maxim.
- Pedigree: old selection from North China
- Virus Biological Assays - Negative: MM-1996 NP-1995 PV-1995
- Traits: SCAB RESISTANT, POLYPLOID (3x flow cytometry 2013)
- Tan Chi II (little pear) - Pakistan = PI 541964 (2197.000) - Pyrus pashia hybrid
- Tan Chi II (little pear) - Pakistan = Q 27454 (2672.002) - Pyrus pashia hybrid
- Virus Biological Assays - Negative: NP-2003
- Traits: DIPLOID (flow cytometry 2012)
- Tang Li = PI 542024 (1184.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Virus Biological Assays - Positive: N.Poiteau-1985, Negative: Bosc-1988 P.Crassane-1984 V.Crab-1988
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Tang Li ID? = PI 542024 (1184.002) - Pyrus ussuriensis Maxim.
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: NP-1990 PV-1991, Uncertain: MM-2003
- Traits: FIRE BLIGHT RESISTANT, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
- Tau Ma Li = PI 541955 (565.001) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: Bosc-1988
- Traits: DIPLOID (flow cytometry 2012)
- Tse Li = PI 312509 (584.001) - Pyrus ussuriensis Maxim.
- Pedigree: local selection from Tse County, Shandong Province complex hybrid of ussuriensis (x bretschneideri)
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: Bosc-1989 M.micromalus-2002 N.Poiteau-1990 P.Crassane-1984 Pyronia-1985 V.Crab-1991
- Traits: LATE RIPE, ANCIENT, HEIRLOOM , LOW CHILL 500 hrs, FIRE BLIGHT RESISTANT, PSYLLA RESISTANT, DIPLOID (flow cytometry)
- Tse Li type from Li-Shiu = PI 665796 (2852.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Traits: DIPLOID (flow cytometry 2012)
- Tsu Li = PI 542023 (1177.001) - Pyrus ×bretschneideri Rehder - VIRUS INFECTED
- Virus Biological Assays - Positive: M.micromalus-2003 N.Poiteau-1987, Negative: V.Crab-1988
- Traits: LATE RIPE, ANCIENT, HEIRLOOM , LOW CHILL 500 hrs, FIRE BLIGHT RESISTANT, PSYLLA RESISTANT, DIPLOID (flow cytometry)
- Tsu Li 1 = PI 665781 (2638.002) - Pyrus ×bretschneideri Rehder
- Traits: DIPLOID (flow cytometry 2012)
- Tsu Li No. 2 = PI 654922 (2443.002) - Pyrus ×bretschneideri Rehder
- Traits: ANCIENT, HEIRLOOM , LOW CHILL 500 hrs, FIRE BLIGHT RESISTANT, PSYLLA RESISTANT, DIPLOID (flow cytometry 2012)
- Tu Li = PI 654918 (2446.001) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: MM-1998 NP-1992 PV-1991
- Traits: DIPLOID (flow cytometry 2012)
- Tzu Ma Li = PI 542007 (1157.002) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: NP-1989 PV-1989
- Traits: DIPLOID (flow cytometry 2012)
- Uzhi Li = PI 654958 (2784.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Pedigree: Recived from Kazakhstan, where they are used as pear rootstocks. Originated in China.
- Virus Biological Assays - Positive: NP-2003
- Traits: SCAB RESISTANT, ROOTSTOCK, DIPLOID (flow cytometry 2012)
- VIII 55 = PI 665791 (2653.003) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-2003
- Traits: DIPLOID (flow cytometry 2012)
- Vietnam Asian Pear = PI 617647 (2586.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: selection of Pyrus pyrifolia
- Virus Biological Assays - Negative: MM-1998 NP-1999 PV-1998
- Traits: DIPLOID (flow cytometry 2012)
- Waseaka = PI 654931 (2682.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Uncertain: PV-2003
- Traits: DIPLOID (flow cytometry 2012)
- Xiangshui Li [Hsiang Sui-Li] = PI 542022 (1617.002) - Pyrus ×bretschneideri Rehder
- Pedigree: old selection from the wild in Northeast China
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: MM-2002 NP-1992 PV-1992
- Traits: FIRE BLIGHT RESISTANT, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
- Ya Li = PI 506362 (1678.001) - Pyrus ×bretschneideri Rehder
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: M.micromalus-2003 N.Poiteau-1987 Pyronia-1987
- Traits: LATE RIPE, FIRE BLIGHT RESISTANT, LOW CHILL 500 hrs, PSYLLA RESISTANT, EARLY BLOOM, MILDEW RESISTANT, DIPLOID (flow cytometry), SCAB RESISTANT (Australia)
- Yaguang Li [Ya Kuang Li] = PI 45845 (620.001) - Pyrus ×bretschneideri Rehder
- Pedigree: Reimer suspected P. ussuriensis x P. phaeocarpa
- Virus Biological Assays - Negative: N.Poiteau-1992 P.Crassane-1984 Pyronia-1985
- Traits: HEIRLOOM, DIPLOID (flow cytometry 2012)
- Yakumo = PI 224089 (622.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Akaho x Nijisseiki
- Virus Biological Assays - Negative: Bosc-1988 Pyronia-1988
- Traits: VERY LARGE FRUIT, DIPLOID (flow cytometry 2012)
- Yokogoshi = PI 506367 (1579.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS INFECTED
- Virus Biological Assays - Positive: Pyronia-1987, Negative: N.Poiteau-1987
- Traits: VERY LATE RIPE, DIPLOID (flow cytometry 2012)
- Zao Su = PI 617653 (2594.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: NP-1998 PV-1999, Uncertain: MM-2003
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry)