NCGR-Corvallis Pyrus Catalog

Rootstock Selections

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: 01 April 2009

NCGR-Corvallis Distribution Policies

Traits listed are intended for preliminary subgrouping of accessions. Traits are from germplasm release notices, published reports, or observations made at NCGR-Corvallis.

• B-11 = PI 437066 (906.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK, DIPLOID (flow cytometry)
• B-12 = PI 437067 (901.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK, MILDEW RESISTANT, DIPLOID (flow cytometry)
• B-22 = PI 541970 (2288.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• B-27 = PI 541972 (2290.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• Ba Li Xiang [Ba Li Hsiang] = PI 541985 (27.002) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
  - VERY LATE RIPE, FIRE BLIGHT RESISTANT, MILDEW RESISTANT, ROOTSTOCK, SCAB RESISTANT, DIPLOID (flow cytometry)
• Bai Li = PI 654959 (2785.001) - Pyrus x bretschneideri Rehder
  - ROOTSTOCK
• Burkett x P. betulifolia = PI 541786 (1358.001) - Pyrus hybrid - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK, SCAB RESISTANT
• Chieh Li x Japanese Golden Russet (Decline Resist.) = PI 541760 (1226.001) - Pyrus hybrid - VIRUS TESTED
  - ROOTSTOCK, PEAR DECLINE RESISTANT
• Chieh Li x Japanese Golden Russet (Decline Susc.) = PI 541761 (1227.001) - Pyrus hybrid - VIRUS TESTED
  - ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
• Domestic Pear (OSU Seedling A) = PI 541449 (1584.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• Domestic Pear (OSU Seedling B) - looks like Bosc = PI 541450 (1585.001) - Pyrus communis L. - VIRUS TESTED
  - MID-LATE RIPE, ROOTSTOCK
• Domestic Pear (OSU Seedling C) = PI 541451 (1586.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• Estella = PI 541709 (216.002) - Pyrus hybrid - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• F.12-184 (P-2430) = PI 541460 (2142.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• French Resistant - rootstock clone = PI 617535 (2334.002) - Pyrus communis L. - VIRUS INFECTED
  - ROOTSTOCK
• Hawaii x Japanese Golden Russet = PI 541765 (1231.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS TESTED
  - ROOTSTOCK, SCAB RESISTANT
• Hawaii x Japanese Golden Russet = PI 541766 (1232.002) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS TESTED
  - ROOTSTOCK, SCAB RESISTANT
• Japanese Golden Russet x Mikado (Decline Resist.) = PI 541762 (1228.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS TESTED
  - ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
• Japanese Golden Russet x Mikado (Decline Susc.) = PI 541763 (1229.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS TESTED
  - ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
• MM-38 = PI 541960 (1419.004) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK, SCAB RESISTANT
• Nelis x P. betulifolia = PI 541800 (1480.001) - Pyrus hybrid - VIRUS TESTED
  - ROOTSTOCK
• Nijisseiki x Old Home = PI 541767 (1233.001) - Pyrus hybrid - VIRUS TESTED
  - ROOTSTOCK
• Nijisseiki x Old Home (Decline susceptible) = PI 541728 (415.001) - Pyrus hybrid - VIRUS TESTED
  - ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
• OH 20 fire blight resistant rootstock = PI 541237 (425.007) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OH 50 fire blight resistant rootstock = PI 541238 (427.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 1 = PI 541408 (1336.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK, FIRE BLIGHT SUSCEPTIBLE
• OHxF 2 = PI 541413 (1342.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• OHxF 4 = PI 541409 (1337.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 5 = PI 541410 (1338.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 7 = PI 541399 (1322.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• OHxF 9 = PI 541421 (1361.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• OHxF 18 = PI 541397 (1320.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK-Vigorous
• OHxF 23 = PI 541411 (1339.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• OHxF 29 = PI 541398 (1321.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 34 = PI 541412 (1340.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK-Semidwarf
• OHxF 40 = PI 541402 (1325.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK-Productive
• OHxF 51 = PI 541369 (709.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK-Dwarfing, Blooms with Bosc, DIPLOID (flow cytometry)
• OHxF 58 = PI 541454 (1613.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• OHxF 87 = PI 541415 (1345.001) - Pyrus communis L.
  - ROOTSTOCK-Semidwarf, Productive, Large Fruit Size, DIPLOID (flow cytometry)
• OHxF 97 = PI 541370 (726.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK-Vigorous, Productive, DIPLOID (flow cytometry)
• OHxF 101 = PI 541416 (1350.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK, Blooms with Bartlett
• OHxF 109 = PI 541417 (1351.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 112 = PI 541418 (1354.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK-Vigorous
• OHxF 130 = PI 541406 (1330.002) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 132 = PI 541404 (1327.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 198 = PI 541419 (1359.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK-Vigorous
• OHxF 217 = PI 541371 (732.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK-Semi-vigorous, Blooms with Bosc
• OHxF 226 = PI 541372 (733.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• OHxF 230 = PI 541420 (1360.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK-Semidwarf, Blooms with Bosc, DIPLOID (flow cytometry)
• OHxF 247 = PI 541422 (1362.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• OHxF 257 = PI 541396 (1319.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• OHxF 259 = PI 541423 (1363.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK, Blooms with Bosc
• OHxF 261 = PI 541401 (1324.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 266 = PI 541424 (1364.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK, Blooms with Bosc
• OHxF 267 = PI 541400 (1323.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK-Semi-vigorous
• OHxF 280 = PI 541425 (1365.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK, FIRE BLIGHT SUSCEPTIBLE
• OHxF 282 = PI 541426 (1366.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 288 = PI 541373 (734.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 319 = PI 541427 (1367.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 333 = PI 541405 (1572.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK-Semidwarf, Blooms with Bosc, DIPLOID (flow cytometry)
• OHxF 340 = PI 541403 (1326.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• OHxF 361 = PI 541374 (735.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK-Semi-vigorous, FIRE BLIGHT SUSCEPTIBLE
• OHxF 377 = PI 541428 (1369.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• OHxF 512 = PI 541414 (1344.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK, SCAB RESISTANT, FIRE BLIGHT SUSCEPTIBLE
• OPR-001 = PI 541430 (1375.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK, SCAB RESISTANT
• OPR-005 OHxF C-44 = PI 617519 (1420.001) - Pyrus communis L. - VIRUS TESTED
  - ROOTSTOCK
• OPR-113 P. betulifolia No. 4 = PI 540945 (655.001) - Pyrus betulifolia Bunge - VIRUS INFECTED
  - ROOTSTOCK, DIPLOID (flow cytometry)
• OPR-114 P. betulifolia No. 5 = PI 540946 (656.001) - Pyrus betulifolia Bunge - VIRUS TESTED
  - ROOTSTOCK
• OPR-125 P. calleryana = PI 541066 (1314.002) - Pyrus calleryana Decne. - VIRUS TESTED
  - ROOTSTOCK, DIPLOID (flow cytometry)
• OPR-132 P. calleryana = PI 541079 (1497.001) - Pyrus calleryana Decne. - VIRUS TESTED
  - ROOTSTOCK
• OPR-135 P. calleryana = PI 541085 (1171.003) - Pyrus calleryana Decne. - VIRUS TESTED
  - ROOTSTOCK
• OPR-138 P. calleryana = PI 541094 (2091.001) - Pyrus calleryana Decne. - VIRUS INFECTED
  - ROOTSTOCK, LOW CHILL
• OPR-141 = PI 541789 (1373.001) - Pyrus hybrid - VIRUS TESTED
  - ROOTSTOCK
• OPR-156 P. calleryana = PI 541089 (2086.001) - Pyrus calleryana Decne.
  - ROOTSTOCK
• OPR-157 P. calleryana = PI 541012 (1170.002) - Pyrus calleryana Decne. - VIRUS TESTED
  - ROOTSTOCK
• OPR-168 P. calleryana = PI 617520 (1427.001) - Pyrus calleryana Decne. - VIRUS INFECTED
  - ROOTSTOCK, LOW CHILL
• OPR-177 P. calleryana = PI 541072 (1436.001) - Pyrus calleryana Decne. - VIRUS INFECTED
  - ROOTSTOCK
• OPR-187 P. calleryana = PI 541092 (2089.001) - Pyrus calleryana Decne.
  - ROOTSTOCK, LOW CHILL
• OPR-191 P. calleryana = PI 541074 (1438.001) - Pyrus calleryana Decne. - VIRUS INFECTED
  - ROOTSTOCK
• OPR-193 P. calleryana = PI 541068 (1432.001) - Pyrus calleryana Decne. - VIRUS INFECTED
  - ROOTSTOCK, LOW CHILL
• OPR-195 P. calleryana 6 OP = PI 541076 (1440.001) - Pyrus calleryana Decne. - VIRUS TESTED
  - ROOTSTOCK
• OPR-205 P. calleryana = PI 541096 (2093.001) - Pyrus calleryana Decne. - VIRUS TESTED
  - ROOTSTOCK
• OPR-211 P. calleryana = PI 541101 (2098.001) - Pyrus calleryana Decne.
  - ROOTSTOCK
• OPR-220 P. calleryana = PI 541098 (2095.001) - Pyrus calleryana Decne. - VIRUS INFECTED
  - ROOTSTOCK
• OPR-249 P. calleryana = PI 541070 (1434.001) - Pyrus calleryana Decne. - VIRUS INFECTED
  - ROOTSTOCK
• OPR-259 P. betulifolia = PI 540981 (1378.001) - Pyrus betulifolia Bunge - VIRUS TESTED
  - ROOTSTOCK, CROWN GALL RESISTANT
• OPR-260 P. betulifolia = PI 540982 (1379.001) - Pyrus betulifolia Bunge - VIRUS TESTED
  - ROOTSTOCK, CROWN GALL RESISTANT
• OPR-261 P. betulifolia = PI 540983 (1380.001) - Pyrus betulifolia Bunge - VIRUS TESTED
  - ROOTSTOCK, CROWN GALL RESISTANT
• OPR-262 P. betulifolia = PI 540984 (1381.001) - Pyrus betulifolia Bunge - VIRUS TESTED
  - ROOTSTOCK, CROWN GALL RESISTANT
• OPR-263 P. betulifolia = PI 540985 (1382.001) - Pyrus betulifolia Bunge - VIRUS TESTED
  - ROOTSTOCK, CROWN GALL RESISTANT
• OPR-264 P. betulifolia = PI 540986 (1383.001) - Pyrus betulifolia Bunge - VIRUS TESTED
  - ROOTSTOCK, CROWN GALL RESISTANT
• OPR-265 P. betulifolia = PI 540987 (1384.001) - Pyrus betulifolia Bunge - VIRUS TESTED
  - ROOTSTOCK, CROWN GALL RESISTANT
• OPR-266 P. betulifolia = PI 540988 (1385.001) - Pyrus betulifolia Bunge - VIRUS TESTED
  - ROOTSTOCK, CROWN GALL RESISTANT
• OPR-268 P. calleryana = PI 541025 (667.001) - Pyrus calleryana Decne. - VIRUS INFECTED
  - ROOTSTOCK
• Old Home = PI 541456 (431.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK, QUINCE COMPATIBLE, DIPLOID (flow cytometry)
• Old Home x P. betulifolia-1 = PI 541788 (1371.001) - Pyrus hybrid - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK, SCAB RESISTANT
• P-12 fire blight resistant rootstock = PI 541294 (715.002) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK PERRY?, SCAB RESISTANT
• P-18 (Oregon 18) blight resistant rootstock = PI 541295 (716.001) - Pyrus communis L. - VIRUS INFECTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• P-61 fire blight resistant rootstock = PI 541429 (1374.004) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• P-70 fire blight resistant rootstock = PI 541296 (722.002) - Pyrus communis L.
  - FIRE BLIGHT RESISTANT, ROOTSTOCK, Blooms with Bartlett
• P-79 fire blight resistant rootstock = PI 541297 (723.002) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• P-79 x P. betulifolia = PI 541780 (1348.001) - Pyrus hybrid - VIRUS TESTED
  - ROOTSTOCK
• P-87 fire blight resistant rootstock = PI 541298 (724.001) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• P. betulifolia = PI 540944 (658.001) - VIRUS TESTED
  - ROOTSTOCK
• P. betulifolia x P. calleryana-5 = PI 541783 (1353.001) - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• P. betulifolia-1 x P-12 = PI 541790 (1376.001) - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• P. betulifolia-1 x P-79 = PI 541791 (1377.001) - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• P. betulifolia-2 x Farmingdale = PI 541785 (1357.001) - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• P. betulifolia-2 x P-12 = PI 541784 (1355.001) - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• P. betulifolia-2 x P. betulifolia-1 = PI 540994 (1485.001) - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• P. calleryana = PI 214185 (665.001) - VIRUS TESTED
  - ROOTSTOCK, LOW CHILL
• P. calleryana (hybrid) = PI 541084 (1614.001) - VIRUS INFECTED
  - ROOTSTOCK
• P. calleryana - Crown Point 5-67 = PI 541082 (1587.003) - VIRUS TESTED
  - ROOTSTOCK, LOW CHILL
• P. calleryana [C-44?] = PI 541073 (1437.001) - VIRUS INFECTED
  - ROOTSTOCK
• P. communis = PI 541434 (1421.001) - VIRUS TESTED
  - ROOTSTOCK
• P. communis subsp. caucasica F-25 = PI 541957 (686.002) - VIRUS TESTED
  - ROOTSTOCK
• P. dimorphophylla x P. calleryana = PI 541731 (759.001) - VIRUS TESTED
  - ROOTSTOCK
• P. fauriei 12-14 = PI 541652 (1496.001) - VIRUS TESTED
  - ROOTSTOCK
• P. pashia x P. calleryana = PI 541773 (1294.001) - VIRUS TESTED
  - ROOTSTOCK
• P. pashia x P. calleryana = PI 541797 (1474.001) - VIRUS TESTED
  - ROOTSTOCK
• Saprani I (P. pyrifolia) = PI 506375 (1686.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS TESTED
  - ROOTSTOCK
• Saprani II = PI 506376 (1673.001) - Pyrus hybrid - VIRUS TESTED
  - ROOTSTOCK
• Sbkta (P. elaeagrifolia) = PI 502179 (1639.001) - Pyrus hybrid - VIRUS TESTED
  - ROOTSTOCK, DIPLOID (flow cytometry)
• Syan Li = PI 654960 (2786.001) - Pyrus x bretschneideri Rehder
  - ROOTSTOCK
• Uzhi Li = PI 654958 (2784.001) - Pyrus x bretschneideri Rehder - VIRUS INFECTED
  - SCAB RESISTANT, ROOTSTOCK
• W-1 fire blight resistant rootstock = PI 541279 (597.002) - Pyrus communis L. - VIRUS TESTED
  - FIRE BLIGHT RESISTANT, ROOTSTOCK
• Willard = PI 541356 (1160.001) - Pyrus communis L. - VIRUS TESTED
  - LATE RIPE, ROOTSTOCK