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Cronartium ribicola

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702: 478: 635: 177: 57: 512: 33: 364:) host. Although effective in theory, removal of currants is rarely successful in practice, as they readily re-grow from small pieces of root left in the soil, and the seeds are very widely spread in birds' droppings. According to the Southwest Oregon Forest Insect and Disease Service Center, white pine blister rust attacks all 673:
infestation in stands of sugar pines, eastern white pines, and western white pines resulted in the observation of apparently resistant trees, asymptomatic in heavily infected areas. By 1950, breeding programs were in place to use these remaining trees as parents to cross and backcross with progeny to
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For example, careful topological selection of plot sites for the white pine would greatly reduce the germination of spores. These plots would include land with characteristics such as well-drained soil such as that on a high-sloped area, spots that are well aerated, and face the south for dryness and
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spp.), and germinated on needles to enter with germ tubes through open stomata. Young pines are most susceptible and will die at faster rates following infection. A mycelial network then spreads through the needle and into intercellular space in the inner bark, resulting in the formation of a blister
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spp. Because young pines are smaller and less developed than mature trees, they are most susceptible to the pathogen. In addition, young trees will often die at faster rates following infection because more needles are likely to be located closer to the main stem (trunk) of the tree, where infection
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The means of resistance in rust-resistant five-needle pine varieties involve various mechanisms, such as abortion of infected leaves and slow development of canker symptoms. It is likely that varieties exhibiting the latter mechanism act against the pathogen's ability to modify cell walls and avoid
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prefers cooler temperatures coupled with moist conditions in low-lying areas, especially during the late summer and early fall. The low temperatures and humidity are an essential part of the pathogen's spore germination and dispersal requirements. The combination of cooler temperatures and a high
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Infected trees are often identified by "flagging", when all the needles on a branch turn brown and die. Infections often occur on low branches close to the ground on young trees, so pruning of white pine can also be effective in multiple ways, as it improves the quality of timber by creating more
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If bark blisters are found on branches over 10–15 cm from the trunk, those branches may be pruned off, which will stop the spread of the disease to the rest of that tree. If the main trunk is affected then no control is possible, and the tree will die once the infection encircles the tree.
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than the older, taller trees that create the canopy, which consequently have more access to the warm, dry sun. This collection of environmental characteristics are common in the Northern Hemisphere, causing many areas in the United States to be labeled at hazard zones for the genus
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is native to China, and was introduced to North America. The rust was first discovered on currants in Geneva, New York in 1906. It was first seen on White pine specifically on imported seedlings from European nurseries in 1909. Some European and Asian white pines (e.g.
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Once plantation spots have been chosen, pruning and inspection practices have been adapted as a monitored cultural practice. Inspections for blister rusts begin in May about six years after the trees are planted. This time period is when obvious symptoms of
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needles, but these are small and can be difficult to see; more visible symptoms on the aecial host includes perennial cankers which appear on the branches within two years of infection. Looking at the infected plant as a whole, the
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Furthermore, genetic hybridization testing has been conducted for more than half a century in order to find resistance among strains of the species, and have since successfully introduced resistance into the eastern white pine
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trees up to anywhere between nine and eighteen feet. Pathological pruning, in which all lower branches are pruned regardless of signs or symptoms of infection, may reduce disease instance in white pine tree stands.
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spp. hosts in the area. Next, telia are developed on the abaxial (lower) surface of leaves, where teliospores germinate to give rise to basidiospores that will complete the disease cycle by infecting
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begin to appear, such as red needles. Infected branches will be pruned to a certain height that is dependent on a rate of infection determined by researchers; generally pruning is required for
597:(In some European countries and Canada, the fruits from currants and gooseberry were more valuable than White pine trees, which did not allow them to do the eradication programs of 400:
rust canker. Spermagonia are produced at the margins on the canker and give rise to spermatia in the following spring. Once spermatia have fertilized receptive hyphae in the
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spp. host, aecia are formed within a year, appearing as white blisters before rupture reveals the orange or yellow aeciospores within. The wind-blown aeciospores infect
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spp. and the fungus quickly develops uredia in less than a few weeks. Uredospores produced in this stage spread to infect other parts of the same host or other
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ability to regrow from an extremely small root portion, researchers have focused their efforts on creating new cultural practices to lower the abundance of
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scale, lower trees hidden below the canopy exist in a lower temperature and moister environment, and as a result, these young trees are more susceptible to
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humidity create an environment at which dew can easily form. The free water helps loosen spores adhered to a leaf's surface and promotes spore germination.
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spp.) are infected in the fall by basidiospores that have spread under cool, moist conditions from the alternate host, currants and gooseberries (
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Historically, tactics such as alternate host removal and planting restrictions in hazard zones, as well as quarantines made legal by the 1912
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spp. would be an effective means of controlling the causal agent was largely responsible for the federal ban restricting cultivation of
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results in canker formation that kills vital cambial tissue responsible for water and nutrient transport for large parts of the tree.
1579: 1394: 586:, however through a combination of the pathogen's hardiness and ability to travel airborne for nine hundred feet, as well as the 360:. Because the infection moves from currant plants, to pines, and back again, it cannot continue to exist without its secondary ( 288:
causing serious damage to the American white pines, which have little genetic resistance. Mortality is particularly heavy in
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warmth. This would remove the wet, damp environment that is crucial for the germination of the spores on the
1584: 1310: 167: 1110:"HOW to Manage Eastern White Pine to Minimize Damage from White Pine Blister Rust and White Pine Weevil" 724:
Most of the breeding efforts for five-needle pine resistance are currently focused in North America, on
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can contract yellowish chlorotic leaf spots, but is otherwise not significantly impacted. The signs of
1290: 843: 594:. Since then researchers have come up with multiple new methods to curb the spread of the infection. 474:. Species of both telial and aecial hosts have varying levels of resistance or immunity to infection. 1569: 1500: 1373: 575: 1117: 1464: 1241: 1214: 342:
knot-free timber, and reduces the likelihood of infection from the blister rust to a small extent.
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cultivars are slowly gaining popularity and many resistant varieties are commercially available.
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as well as other five-needle pine species across the US. In the early 1900s, large outbreaks of
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develop rust-resistant varieties. There are now resistant western white pine trees available.
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White pine blister rust is the only rust of white pine. Of the five needle pines, sugar pine (
1546: 1526: 1151: 1015: 914: 285: 1139: 537:, come in the form of the pathogen itself as orange pustules on the underside of the leaf. 1508: 257: 98: 1368: 733:
plant recognition. In some species of North American pine, hypersensitive responses to
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have been observed, which suggests a gene-for-gene interaction that may indicate that
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Pine seedlings being bred to resist white pine blister rust by the US Forest Service
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were essentially halted. Today, although some state and local bans remain in place,
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is not so ecologically foreign to North American pines as previously assumed
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in the 1920s. Until 1966, when the ban was lifted, US breeding efforts in
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Another form of control practiced in some areas is to diligently remove
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species and goes through five spore stages. This life cycle is termed
1412: 1301:. Lists general information and resources for White Pine Blister Rust. 875:"White Pine Blister Rust and its threat to High Elevation White Pines" 1451: 1280: 461: 441: 361: 309: 78: 1304: 1360: 700: 633: 517: 510: 476: 466: 352: 1285: 1308: 1265:
Don't Move Firewood - Gallery of Pests: White Pine Blister Rust
1081:"White Pine Blister Rust: Knowledge, Control, and Innovation" 665:) are of less economic importance, they too are affected by 1035:"Epidemiology for Hazard Rating of White Pine Blister Rust" 582:
used to be practiced in full force, which heavily affected
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into North America in approximately 1900, where it is an
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and the Moscow Forestry Services Laboratory in Idaho.
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plants from any area near white pines, including the
1090:. Canadian forest Service-Laurentian Forestry Centre 1317: 677:The notion that eradication of the alternate host 1297:, National Invasive Species Information Center, 1191:"Ribes: Reintroducing a once common fruit genus" 1242:"Cronartium ribicola (white pine blister rust)" 762:"Cronartium ribicola (white pine blister rust)" 268:) are mostly resistant to the disease, having 239: 8: 980:"Forest Pathology - White Pine Blister Rust" 584:blackcurrant production in the United States 424:As is common among rusts, the life cycle of 233: 227: 1299:United States National Agricultural Library 1291:Species Profile - White Pine Blister Rust ( 712:is a heteroecious, macrocyclic pathogen on 515:Leaf spots on the underside of a leaf on a 1305: 1014:(Thesis). University of British Columbia. 175: 31: 20: 1011:Landscape genetics of Cronartium ribicola 918: 444:host of this pathogen is the white pine ( 848:Department of Agriculture Forest Service 1286:The Whitebark Pine Ecosystem Foundation 753: 491:On the aecial host, the first signs of 1575:Fungal conifer pathogens and diseases 1236: 1234: 1185: 1183: 1074: 1072: 7: 1501:1ecd7a47-f51f-4c0f-8500-5329324a51f0 950: 948: 946: 944: 942: 940: 938: 896: 894: 869: 867: 865: 863: 861: 784: 782: 525:On the other hand, the telial host, 324:control of the disease is possible. 308:Dorena Genetic Resource Center in 14: 854:from the original on 27 May 2009. 229:Rouille vésiculeuse du pin blanc 55: 495:are yellow or red spots on the 1277:, United States Forest Service 1275:Dorena Genetic Resource Center 1: 901:Maloy, Otis C. (2001-01-01). 464:hosts are those of the genus 470:, specifically currants and 306:United States Forest Service 241:moho ampolla del pino blanco 1195:uncommonfruit.cias.wisc.edu 1033:Van Arsdel, Eugene (2006). 1008:Simren, Brar (2012-08-31). 920:10.1094/PHP-2001-0924-01-HM 653:), and western white pine ( 1601: 436:. In the specific case of 1281:The Sugar Pine Foundation 1215:"White pine blister rust" 1170:"White pine blister rust" 1079:Laflamme, Gaston (2012). 1056:"White pine blister rust" 956:"White pine blister rust" 903:"White Pine Blister Rust" 844:"White pine blister rust" 822:"White pine blister rust" 790:"White pine blister rust" 346:Banning of black currants 198: 191: 183: 174: 157: 150: 52:Scientific classification 50: 39: 30: 23: 1174:Natural Resources Canada 726:P. strobus, P. monticola 391:spp. Five-needle pines ( 383:has two obligate hosts: 222:that causes the disease 1580:Fungi described in 1872 984:www.forestpathology.org 960:White pine blister rust 649:), eastern white pine ( 226:. Other names include: 224:white pine blister rust 200:White pine blister rust 706: 642: 522: 488: 240: 234: 228: 16:Species of rust fungus 1138:Lehrer, G.F. (1982). 907:Plant Health Progress 704: 637: 521:species (telial host) 514: 480: 235:white pine Blasenrost 667:Cronartium ribicola, 638:Forest decimated by 576:Plant Quarantine Act 280:It was accidentally 1537:cronartium-ribicola 1319:Cronartium ribicola 1293:Cronartium ribicola 1270:forestpathology.org 1176:. 31 December 2013. 710:Cronartium ribicola 661:) and limber pine ( 640:Cronartium ribicola 547:Cronartium ribicola 438:Cronartium ribicola 426:Cronartium ribicola 381:Cronartium ribicola 272:with the pathogen. 253:Cronartium ribicola 211:Cronartium ribicola 186:Cronartium ribicola 161:Cronartium ribicola 41:Cronartium ribicola 25:Cronartium ribicola 1156:10.1094/PD-66-1138 1042:US Forest Services 1020:10.14288/1.0073107 707: 643: 570:Disease management 523: 489: 420:Hosts and symptoms 290:western white pine 45:western white pine 1557: 1556: 1522:Open Tree of Life 1311:Taxon identifiers 1219:extension.umn.edu 647:Pinus lambertiana 545:Environmentally, 366:five-needle pines 207: 206: 1592: 1550: 1549: 1540: 1539: 1530: 1529: 1517: 1516: 1504: 1503: 1494: 1493: 1481: 1480: 1478:NBNSYS0000021760 1468: 1467: 1455: 1454: 1442: 1441: 1429: 1428: 1416: 1415: 1403: 1402: 1390: 1389: 1377: 1376: 1364: 1363: 1351: 1350: 1338: 1337: 1336: 1306: 1252: 1251: 1249: 1248: 1238: 1229: 1228: 1226: 1225: 1211: 1205: 1204: 1202: 1201: 1187: 1178: 1177: 1166: 1160: 1159: 1135: 1129: 1128: 1126: 1125: 1116:. Archived from 1114:www.na.fs.fed.us 1106: 1100: 1099: 1097: 1095: 1088:cfs.nrcan.gc.ca/ 1085: 1076: 1067: 1066: 1064: 1062: 1052: 1046: 1045: 1039: 1030: 1024: 1023: 1005: 999: 998: 996: 995: 986:. Archived from 976: 970: 969: 967: 966: 952: 933: 932: 922: 898: 889: 888: 886: 885: 871: 856: 855: 840: 834: 833: 831: 829: 818: 809: 808: 806: 805: 796:. Archived from 786: 777: 776: 774: 773: 758: 659:Pinus albicaulis 286:invasive species 276:Invasive species 243: 237: 231: 214:is a species of 184:Distribution of 179: 163: 143:C. ribicola 60: 59: 35: 21: 1600: 1599: 1595: 1594: 1593: 1591: 1590: 1589: 1560: 1559: 1558: 1553: 1545: 1543: 1535: 1533: 1525: 1520: 1512: 1509:Observation.org 1507: 1499: 1497: 1489: 1484: 1476: 1471: 1463: 1458: 1450: 1445: 1437: 1432: 1424: 1419: 1411: 1406: 1398: 1393: 1385: 1380: 1372: 1367: 1359: 1354: 1346: 1341: 1332: 1331: 1326: 1313: 1261: 1256: 1255: 1246: 1244: 1240: 1239: 1232: 1223: 1221: 1213: 1212: 1208: 1199: 1197: 1189: 1188: 1181: 1168: 1167: 1163: 1137: 1136: 1132: 1123: 1121: 1108: 1107: 1103: 1093: 1091: 1083: 1078: 1077: 1070: 1060: 1058: 1054: 1053: 1049: 1037: 1032: 1031: 1027: 1007: 1006: 1002: 993: 991: 978: 977: 973: 964: 962: 954: 953: 936: 900: 899: 892: 883: 881: 873: 872: 859: 842: 841: 837: 827: 825: 820: 819: 812: 803: 801: 788: 787: 780: 771: 769: 760: 759: 755: 750: 730:P. lambertiana. 699: 655:Pinus monticola 632: 572: 543: 422: 378: 348: 339: 330: 318: 278: 258:Macedonian pine 250: 201: 170: 165: 159: 146: 99:Pucciniomycetes 54: 17: 12: 11: 5: 1598: 1596: 1588: 1587: 1585:Fungus species 1582: 1577: 1572: 1562: 1561: 1555: 1554: 1552: 1551: 1541: 1531: 1518: 1505: 1495: 1482: 1469: 1456: 1443: 1430: 1417: 1404: 1391: 1378: 1365: 1352: 1339: 1323: 1321: 1315: 1314: 1309: 1303: 1302: 1288: 1283: 1278: 1272: 1267: 1260: 1259:External links 1257: 1254: 1253: 1230: 1206: 1179: 1161: 1130: 1101: 1068: 1047: 1025: 1000: 971: 934: 890: 857: 835: 810: 794:www.apsnet.org 778: 752: 751: 749: 746: 698: 695: 663:Pinus flexilis 631: 628: 571: 568: 542: 539: 421: 418: 377: 374: 347: 344: 338: 335: 329: 326: 317: 314: 302:whitebark pine 277: 274: 249: 246: 218:in the family 205: 204: 196: 195: 189: 188: 181: 180: 172: 171: 166: 155: 154: 148: 147: 140: 138: 134: 133: 126: 122: 121: 116: 112: 111: 106: 102: 101: 96: 92: 91: 86: 82: 81: 76: 72: 71: 66: 62: 61: 48: 47: 37: 36: 28: 27: 15: 13: 10: 9: 6: 4: 3: 2: 1597: 1586: 1583: 1581: 1578: 1576: 1573: 1571: 1568: 1567: 1565: 1548: 1542: 1538: 1532: 1528: 1523: 1519: 1515: 1510: 1506: 1502: 1496: 1492: 1487: 1483: 1479: 1474: 1470: 1466: 1461: 1457: 1453: 1448: 1444: 1440: 1435: 1431: 1427: 1422: 1418: 1414: 1409: 1405: 1401: 1396: 1392: 1388: 1383: 1379: 1375: 1370: 1366: 1362: 1357: 1353: 1349: 1344: 1340: 1335: 1329: 1325: 1324: 1322: 1320: 1316: 1312: 1307: 1300: 1296: 1294: 1289: 1287: 1284: 1282: 1279: 1276: 1273: 1271: 1268: 1266: 1263: 1262: 1258: 1243: 1237: 1235: 1231: 1220: 1216: 1210: 1207: 1196: 1192: 1186: 1184: 1180: 1175: 1171: 1165: 1162: 1157: 1153: 1150:: 1138–1139. 1149: 1145: 1144:Plant Disease 1141: 1134: 1131: 1120:on 2016-10-31 1119: 1115: 1111: 1105: 1102: 1089: 1082: 1075: 1073: 1069: 1057: 1051: 1048: 1043: 1036: 1029: 1026: 1021: 1017: 1013: 1012: 1004: 1001: 990:on 2008-05-02 989: 985: 981: 975: 972: 961: 957: 951: 949: 947: 945: 943: 941: 939: 935: 930: 926: 921: 916: 912: 908: 904: 897: 895: 891: 880: 879:www.fs.fed.us 876: 870: 868: 866: 864: 862: 858: 853: 849: 845: 839: 836: 823: 817: 815: 811: 800:on 2016-11-22 799: 795: 791: 785: 783: 779: 767: 763: 757: 754: 747: 745: 744: 740: 736: 731: 727: 722: 719: 715: 711: 703: 696: 694: 692: 688: 684: 680: 675: 672: 668: 664: 660: 656: 652: 651:Pinus strobus 648: 641: 636: 629: 627: 623: 620: 616: 610: 608: 602: 600: 595: 593: 589: 585: 581: 578:. Removal of 577: 569: 567: 565: 560: 556: 551: 548: 540: 538: 536: 532: 528: 520: 519: 513: 509: 507: 503: 498: 494: 487:(aecial host) 486: 485: 484:Pinus strobus 479: 475: 473: 469: 468: 463: 459: 455: 454: 449: 448: 443: 439: 435: 431: 428:includes two 427: 419: 417: 415: 411: 407: 403: 398: 394: 390: 386: 382: 376:Disease cycle 375: 373: 371: 367: 363: 359: 355: 354: 345: 343: 336: 334: 327: 325: 323: 322:silvicultural 320:Some limited 315: 313: 311: 307: 303: 299: 295: 291: 287: 283: 275: 273: 271: 267: 263: 259: 254: 247: 245: 242: 236: 230: 225: 221: 220:Cronartiaceae 217: 213: 212: 203: 202:Currant rust 197: 194: 190: 187: 182: 178: 173: 169: 164: 162: 156: 153: 152:Binomial name 149: 145: 144: 139: 136: 135: 132: 131: 127: 124: 123: 120: 119:Cronartiaceae 117: 114: 113: 110: 107: 104: 103: 100: 97: 94: 93: 90: 89:Basidiomycota 87: 84: 83: 80: 77: 74: 73: 70: 67: 64: 63: 58: 53: 49: 46: 42: 38: 34: 29: 26: 22: 19: 1318: 1292: 1245:. Retrieved 1222:. Retrieved 1218: 1209: 1198:. 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Retrieved 768:. 2019-11-19 765: 756: 742: 738: 734: 729: 725: 723: 717: 713: 709: 708: 697:Pathogenesis 690: 686: 682: 678: 676: 670: 666: 662: 658: 654: 650: 646: 644: 639: 624: 618: 614: 611: 606: 603: 598: 596: 591: 587: 579: 573: 563: 558: 555:microclimate 552: 546: 544: 534: 530: 526: 524: 516: 504:will appear 501: 496: 492: 490: 482: 472:gooseberries 465: 451: 445: 437: 434:heteroecious 425: 423: 416:spp. hosts. 413: 409: 405: 401: 396: 392: 388: 384: 380: 379: 370:bark beetles 358:blackcurrant 351: 349: 340: 331: 319: 316:Silviculture 279: 252: 251: 223: 210: 209: 208: 199: 185: 160: 158: 142: 141: 129: 40: 24: 18: 1570:Pucciniales 1460:NatureServe 1408:iNaturalist 1094:December 6, 739:C. ribicola 735:C. ribicola 671:C. ribicola 615:C. ribicola 592:C. ribicola 559:C. ribicola 541:Environment 531:C. ribicola 493:C. ribicola 298:limber pine 244:(Spanish). 216:rust fungus 109:Pucciniales 1564:Categories 1247:2020-12-06 1224:2020-12-06 1200:2020-12-06 1124:2016-12-06 994:2016-12-06 965:2020-12-06 884:2020-12-06 804:2016-12-07 772:2020-06-16 748:References 630:Importance 460:) and the 294:sugar pine 282:introduced 270:co-evolved 262:Swiss pine 238:(German), 232:(French), 168:J.C.Fisch. 130:Cronartium 85:Division: 1465:2.1035433 929:1535-1025 913:(1): 10. 506:chlorotic 456:, family 450:subgenus 266:blue pine 137:Species: 75:Kingdom: 69:Eukaryota 1447:MycoBank 1369:Fungorum 1334:Q2301438 1328:Wikidata 852:Archived 766:CABI.org 716:spp and 458:Pinaceae 387:spp and 337:Flagging 193:Synonyms 115:Family: 65:Domain: 1547:1616596 1387:2517512 453:Strobus 328:Pruning 125:Genus: 105:Order: 95:Class: 1544:uBio: 1527:563451 1498:NZOR: 1452:452103 1439:192053 1413:199391 1374:241110 1361:CRONRI 927:  527:Ribes, 462:telial 442:aecial 440:, the 362:telial 310:Oregon 248:Origin 1534:PPE: 1514:29022 1491:27354 1426:16154 1084:(PDF) 1061:5 May 1038:(PDF) 828:5 May 824:. APS 718:Ribes 714:Pinus 691:Ribes 687:Ribes 683:Ribes 679:Ribes 619:Pinus 607:Pinus 599:Ribes 588:Ribes 580:Ribes 564:Pinus 553:At a 535:Ribes 518:Ribes 502:Pinus 497:Pinus 467:Ribes 447:Pinus 414:Pinus 410:Ribes 406:Ribes 402:Pinus 397:Ribes 393:Pinus 389:Ribes 385:Pinus 353:Ribes 79:Fungi 1486:NCBI 1434:ITIS 1395:GISD 1382:GBIF 1356:EPPO 1348:ZLC4 1096:2016 1063:2023 925:ISSN 830:2023 728:and 430:host 300:and 264:and 1473:NBN 1421:ISC 1400:550 1343:CoL 1152:doi 1016:doi 915:doi 601:.) 533:on 481:On 372:." 43:on 1566:: 1524:: 1511:: 1488:: 1475:: 1462:: 1449:: 1436:: 1423:: 1410:: 1397:: 1384:: 1371:: 1358:: 1345:: 1330:: 1233:^ 1217:. 1193:. 1182:^ 1172:. 1148:66 1146:. 1142:. 1112:. 1086:. 1071:^ 1040:. 982:. 958:. 937:^ 923:. 909:. 905:. 893:^ 877:. 860:^ 850:. 846:. 813:^ 792:. 781:^ 764:. 609:. 566:. 296:, 292:, 260:, 1295:) 1250:. 1227:. 1203:. 1158:. 1154:: 1127:. 1098:. 1065:. 1044:. 1022:. 1018:: 997:. 968:. 931:. 917:: 911:2 887:. 832:. 807:. 775:. 743:.

Index


western white pine
Scientific classification
Edit this classification
Eukaryota
Fungi
Basidiomycota
Pucciniomycetes
Pucciniales
Cronartiaceae
Cronartium
Binomial name
J.C.Fisch.

Synonyms
rust fungus
Cronartiaceae
Macedonian pine
Swiss pine
blue pine
co-evolved
introduced
invasive species
western white pine
sugar pine
limber pine
whitebark pine
United States Forest Service
Oregon
silvicultural

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