Scientists & Staff

Featured Publications & Products

• McKenna, J.R.; Ostry, M.E.; Woeste, K. 2011. Screening butternut and butternut hybrids for resistance to butternut canker. In: Fei, Songlin; Lhotka, John M.; Stringer, Jeffrey W.; Gottschalk, Kurt W.; Miller, Gary W., eds. Proceedings, 17th central hardwood forest conference; 2010 April 5-7; Lexington, KY; Gen. Tech. Rep. NRS-P-78. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 460-474.
• Ostry, Michael E.; Anderson, Neil A.; O'Brien, Joesph G. 2011. Field guide to common macrofungi in eastern forests and their ecosystem functions. Gen. Tech. Rep. NRS-79 revised February 2017. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 82 p.
• Ostry, M.E.; Laflamme, G.; Katovich, S.A. 2010. Silvicultural approaches for management of eastern white pine to minimize impacts of damaging agents. Forest Pathology. 40: 332-346.
• Farlee, Lenny; Woeste, Keith; Ostry, Michael; McKenna, James; Weeks, Sally. 2010. Identification of butternuts and butternut hybrids. FNR-420-W. West Lafayette, IN. Purdue University Cooperative Extension Service. 11 p.
• Farlee, Lenny; Woeste, Keith; Ostry, Michael; McKenna, James; Weeks, Sally. 2010. Conservation and management of butternut trees. FNR-421-W. West Lafayette, IN. Purdue University Cooperative Extension Service. 10 p.

Publications & Products

• Morin, Randall S.; Gottschalk, Kurt W.; Ostry, Michael E.; Liebhold, Andrew M. 2018. Regional patterns of declining butternut (Juglans cinerea L.) suggest site characteristics for restoration. Ecology and Evolution
• LaBonte, Nicholas R.; Ostry, Michael E.; Ross-Davis, Amy; Woeste, Keith E. 2015. Estimating heritability of disease resistance and factors that contribute to long-term survival in butternut (Juglans cinerea L.). Tree Genetics & Genomes. 11(3): 63.
• Parks, Amanda; Jenkins, Michael; Ostry, Michael; Zhao, Peng; Woeste, Keith. 2014. Biotic and abiotic factors affecting the genetic structure and diversity of butternut in the southern Appalachian Mountains, USA. Tree Genetics & Genomes. 10(3): 541-554.
• Haugen, Linda M.; Ostry, Michael E. 2013. Long-term impact of shoot blight disease on red pine saplings. Northern Journal of Applied Forestry. 30(4): 170-174.
• Ostry, M.E.; Moore, M. 2013. Inhibition of Ophiognomonia clavigignenti-juglandacearum by Juglans species bark extracts. In: Van Sambeek, J.W.; Jackson, Elizabeth A.; Coggeshall, Mark V.; Thomas, Andrew L.; Michler, Charles H. eds. 2013. Managing fine hardwoods after a half century of research: Proceedings of the Seventh Walnut Council Research Symposium; 2011 August 1-3; Madison, WI. Gen. Tech. Rep. NRS-P-115. Newtown Square, PA; U.S. Department of Agriculture, Forest Service, Northern Research Station: 17-27.
• Ostry, Michael E. 2013. Hypoxylon canker. In: Gonthier P.; Nicolotti, G., eds. Infectious forest diseases. Wallingfork, UK: CAB International: 407-419.
• Parks, Amanda M.; Jenkins, Michael A.; Woeste, Keith E.; Ostry, Michael E. 2013. Conservation status of a threatened tree species: establishing a baseline for restoration of Juglans cinerea L. Natural Areas Journal. 33(4): 413-426.
• McKenna, James; Woeste, Keith; Ostry, Michael. 2012. Breeding resistance to butternut canker disease. In: Sniezko, Richard A.; Yanchuk, Alvin D.; Kliejunas, John T.; Palmieri, Katharine M.; Alexander, Janice M.; Frankel, Susan J., tech. coords. Proceedings of the fourth international workshop on the genetics of host-parasite interactions in forestry: Disease and insect resistance in forest trees. Gen. Tech. Rep. PSW-GTR-240. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. p. 209
• Ostry, M.E.; Moore, M.J.; Kern, C.C.; Venette, R.C.; Palik, B.J. 2012. Multiple diseases impact survival of pine species planted in red spine stands harvested in spatially variable retention patterns. Forest Ecology and Management. 286: 66-72.
• Palik, Brian J.; Ostry, Michael E.; Venette, Robert C.; Abdela, Ebrahim. 2012. Tree regeneration in black ash (Fraxinus nigra) stands exhibiting crown dieback in Minnesota. Forest Ecology and Management. 269: 26-30.
• Palik, Brian J.; Ostry, Michael E.; Venette, Robert C.; Ward, Kathleen T. 2012. Assessment of Black Ash (Fraxinus nigra) Decline in Minnesota. Chapter 12. In: Potter, Kevin M.; Conkling, Barbara L. Forest health monitoring: 2008 national technical report. Gen. Tech. Rep. SRS-158. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station: 151-154.
• Ostry, M.E.; Venette, R.C.; Juzwik, J. 2011. Decline as a disease category: Is it helpful?. Phytopathology. 101: 404-409.
• Palik, Brian J.; Ostry, Michael E.; Venette, Robert C.; Abdela, Ebrahim. 2011. Fraxinus nigra (black ash) dieback in Minnesota: Regional variation and potential contributing factors. Forest Ecology and Managemment. 261(1): 128-135.
• Ostry, M. E.; Laflamme, G. 2009. Fungi and diseases - natural components of healthy forests. Botany. 87: 22-25.
• Ward, Kathleen; Ostry, Michael; Venette, Robert; Palik, Brian; Hansen, Mark; Hatfield, Mark. 2009. Assessment of black ash (Fraxinus nigra) decline in Minnesota. In: McRoberts, Ronald E.; Reams, Gregory A.; Van Deusen, Paul C.; McWilliams, William H., eds. Proceedings of the eighth annual forest inventory and analysis symposium; 2006 October 16-19; Monterey, CA. Gen. Tech. Report WO-79. Washington, DC: U.S. Department of Agriculture, Forest Service. 115-120.
• Woeste, Keith; Farlee, Lenny; Ostry, Michael; McKenna, James; Weeks, Sally. 2009. A forest manager's guide to butternut. Northern Journal of Applied Forestry. 26(1): 9-14.
• Ostry, M.E.; Moore, M. 2008. Response of butternut selections to inoculation with Sirococcus clavigignenti-juglandacearum. Plant Disease. 92: 1336-1338
• Ross-Davis, Amy; Huang, Zhonglian; McKenna, James; Ostry, Michael; Woeste, Keith. 2008. Morphological and molecular methods to identify butternut (Juglans cinerea) and butternut hybrids: relevance to butternut conservation. Tree Physiology. 28(7): 1127-1133.
• Venette, Robert C.; Ostry, Michael E.; Ward, Kathleen M. 2008. Regional site-selection models for hybrid poplars. In: Zalesny, Ronald S., Jr.; Mitchell, Rob; Richardson, Jim, eds. Biofuels, bioenergy, and bioproducts from sustainable agricultural and forest crops: proceedings of the short rotation crops international conference; 2008 August 19-20; Bloomington, MN. Gen. Tech. Rep. NRS-P-31. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 63.
• Ostry, M. E.; Moore, M. 2007. Natural and experimental host range of Sirococcus clavigignenti-juglandacearum. Plant Disease 91(5):581-584
• Gilmore, Daniel W.; Glenn, Jennifer D.; Ostry, Michael E.; Zasada, John C.; Benedict, Michael A. 2006. Commercial thinning in small-diameter aspen stands in northern Minnesota: study establishment report. Gen. Tech. Rep. NRS-2. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 16 p.
• Seeland, T.M.; Ostry, M.E.; Venette, R.; Juzwik, J. 2006. An annotated bibliography of invasive tree pathogens Sirococcus clavigignenti-juglandacearum, Phytophthora alni, and Phytophthora quercina and a regulatory policy and management practices for invasive species. Gen. Tech. Rep. NC-270. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station. 17 p.
• Westphal, Lynne M.; Ostry, Michael E. 2006. Decisions at the water's edge: sustaining riparian landscapes in the midwest. Gen. Tech. Rep. NC-247. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station. 31 p.
• Michler, C.H.; Pijut, P.M.; Jacobs, D.F.; Meilan, R.; Woeste, K.E.; Ostry, M.E. 2005. Improving disease resistance of butternut (Juglans cinerea), a threatened fine hardwood: a case of single-tree selection through genetic improvement and deployment. Tree Physiology. 26:121-128.
• Ward, K.T.; Ostry, M.E. 2005. Variation in Septoria musiva and Implications for Disease Resistance Screening. Plant Dis. 89:1077-1082.
• Kasanen, Risto; Hantula, Jarkko; Ostry, Michael; Pinon, Jean; Kurkela, Timo. 2004. North American populations of Entoleuca mammata are genetically more variable than populations in Europe. Mycol. Res. 108(7):766-774
• Mielke, Manfred E.; Ostry, Michael E. 2004. Diseases of intensively managed eastern black walnut. In: Michler, C.H.; Pijut, P.M.; Van Sambeek, J.W.; Coggeshall, M.V.; Seifert, J.; Woeste, K.; Overton, R.; Ponder, F., Jr., eds. Proceedings of the 6th Walnut Council Research Symposium; Gen. Tech. Rep. NC-243. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station. 110-113
• Ostry, M. E.; Woeste, K. 2004. Spread of butternut canker in North America, host range, evidence of resistance within butternut populations and conservation genetics . In: Michler, C.H.; Pijut, P.M.; Van Sambeek, J.W.; Coggeshall, M.V.; Seifert, J.; Woeste, K.; Overton, R.; Ponder, F., Jr., eds. Proceedings of the 6th Walnut Council Research Symposium; Gen. Tech. Rep. NC-243. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station. 114-120
• Ostry, M.E.; Anderson, N.A.; Rugg, D.J.; Ward, K.T. 2004. Long-term response of precommercially thinned aspen clones to Hypoxylon canker.. Res. Pap. NC-341. St. Paul, MN, U.S. Department of Agriculture, Forest Service, North Central Research Station. 12 p.
• Gyenis, Laszlo; Anderson, Neil A.; Ostry, Michael E. 2003. Biological Control of Septoria Leaf Spot Disease of Hybrid Poplar in the Field. Plant Disease 87(7):809-813
• Nicholls, Thomas; Ostry, Mike. 2003. Dead Trees Bring Life to Forest Critters. Minnesota BetterForests 7(4):14-15
• Ostry, M. E.; Ellingson, B.; Seekins, D.; Ruckheim, W. 2003. The need for silvicultural practices and collection of butternut germplasm for species conservation. In: Van Sambeek, J. W.; Dawson, Jeffery O.; Ponder Jr., Felix; Loewenstein, Edward F.; Fralish, James S., eds. Proceedings of the 13th Central Hardwood Forest Conference; Gen. Tech. Rep. NC-234. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station: 551-555
• Ostry, M. E.; Ward, K. T. 2003. Field performance of Populus expressing somaclonal variation in resistance to Septoria musiva. Plant Science 164:1-8
• Ostry, M.E.; Moore, M.J.; Worrall, S.A.N. 2003. Butternut (Juglans cinerea) annotated bibliography.. Gen. Tech. Rep. NC-235. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station. 28 p. (Available online at http://www.ncrs.fs.fed.us/pubs/)
• Van Sambeek, J. W.; Ostry, Michael E.; Zaczek, James J. 2003. Survival and growth of deep-planted, in-leaf grafts in a germplasm repository of canker-resistant butternut. In: Van Sambeek, J. W.; Dawson, Jeffery O.; Ponder Jr., Felix; Loewenstein, Edward F.; Fralish, James S., eds. Proceedings of the 13th Central Hardwood Forest Conference; Gen. Tech. Rep. NC-234. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station: 476-479
• Netzer, D.A.; Tolsted, D.N.; Ostry, M. E.; Isebrands, J. G.; Riemenschneider, D.E.; Ward, K.T. 2002. Growth, yield, and disease resistance of 7- to 12-year-old poplar clones in the north central United States.. Gen. Tech. Rep. NC-229. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station. 31 p.
• Smith, Jason A.; Blanchette, R. A.; Ostry, M. E.; Anderson, N. A. 2002. Etiology of bronze leaf disease of Populus. The American Phytopathological Society 86(5):462-469
• Ostry, M. E.; Pijut, P. M. 2000. Butternut: An Underused Resource in North America. HortTechnology 10(2): 302-306
• Ostry, Michael E. 2000. Restoring of white pine in Minnesota, Wisconsin, and Michigan . Hort Technology. Volume 10. Issue 3. 2000. pp. 542-543
• Ostry, Michael E. 2000. Progress in developing disease control strategies for hybrid poplars. In: Proceedings, Society of American Foresters 1999 national convention; 1999 September 11-15; Portland, OR. SAF Publication 00-1. Bethesda, MD: Society of American Foresters: 192-197
• Bucciarelli, B.; Ostry, Michael E.; Fulcher, R. G.; Anderson, N. A.; Vance, C. P. 1999. Histochemical and microspectrophotometric analyses of early wound responses of resistant and susceptible Populus tremuloides inoculated with Entoleuca mammata (=Hypoxylon mammatum). Canadian Journal of Botany. 77(4): 548-555.
• Enebak, S. A.; Ostry, Michael E.; Anderson, N. A. 1999. Inoculation methods for Populus tremuloides resistant to Hypoxylon canker. Canadian Journal of Forest Research. 29(8): 1192-1196. (1999)
• Furnier, Glenn R.; Stoiz, Allison M.; Mustaphi, Raka M.; Ostry, Michael E. 1999. Genetic evidence that butternut canker was recently introduced into North America. Canadian Journal of Botany. 77: 783-785. (1999)
• Jones, Alan C.; Ostry, Michael E. 1998. Estimating white trunk rot in aspen stands. Northern Journal of Applied Forestry 15(1):33-36
• Ostry, Michael E.; Anderson, Neil A. 1998. Interactions of insects, woodpeckers, and hypoxylon canker on aspen.. Research Paper NC-331. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Research Station
• Barker, Melanie J.; Pijut, Paula M.; Ostry, Michael E.; Houston, David R. 1997. Micropropagation of juvenile and mature american beech. Plant Cell, Tissue and Organ Culture. 51: 209-213.
• Ostry, M.E.; Mielke, M.E.; Anderson, R.L. 1996. HOW to Identify Butternut Canker and Manage Butternut Trees. HT-70. [Radnor, PA]: U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
• Hansen, Edward A.; Ostry, Michael E.; Johnson, Wendell D.; Tolsted, David N.; Netzer, Daniel A.; Berguson, William E.; Hall, Richard B. 1994. Field performance of Populus in short-rotation intensive culture plantations in the north-central U.S.. Research Paper NC-320. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Ostry, M.E.; Mielke, M.E.; Skilling, D.D. 1994. Butternut--Strategies for managing a threatened tree.. General Technical Report NC-165. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Ostry, Michael E.; Hackett, Ronald L.; Michler, Charles H.; Serres, R.; McCown, B. 1994. Influence of regeneration method and tissue source on the frequency of somatic variation in Populus to infection by Septoria musiva. Plant Science. Vol. 97 no. 1.:p. 209-215. (1994)
• Alban, David H.; Perala, Donald A.; Jurgensen, Martin F.; Ostry, Michael E.; Probst, John R. 1991. Aspen ecosystem properties in the Upper Great Lakes.. Research Paper NC-300. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Ostry, M.E.; Pijut, Paula M.; Skilling, D.D. 1991. Screening larch in vitro for resistance to Mycosphaerella laricina. Plant Disease. 75: 1222-1224.
• Ostry, M.E.; Ward, K.T. 1991. Bibliography of Populus cell and tissue culture.. General Technical Report NC-146. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Ostry, M.E.; Nicholls, T.H.; Skilling, D.D. 1990. Biology and control of Sirococcus shoot blight on red pine,. Research Paper NC-295. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Ostry, Michael E.; Wilson, Louis F.; McNabb, Harold S. Jr. 1989. Impact and control of Septoria musiva on hybrid poplars.. General Technical Report NC-133. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Ostry, M.E.; Skilling, D. D. 1987. Somaclonal variation in hybrid poplars for resistance to Septoria leaf spot. In: Guries, R. P., ed. Proceedings of the Fifth North Central Tree Improvement Conference. Madison, WI: University of Wisconsin-Madison: 89-100.
• Ostry, Michael E.; McNabb, Harold S. Jr. 1986. Populus species and hybrid clones resistant to Melampsora, Marssonina, and Septoria.. Research Paper NC-272. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Stack, Robert W.; Ostry, Michael E.; Littlefield, Larry J. 1984. A Convenient Holder for Mailing and Storing Leaf Specimens. Research Note NC-319. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Hansen, Edward; Moore, Lincoln; Netzer, Daniel; Ostry, Michael; Phipps, Howard; Zavitkovski, Jaroslav. 1983. Establishing intensively cultured hybrid poplar plantations for fuel and fiber.. General Technical Report NC-78. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Ostry, M. E.; McNabb, H. S. 1983. Diseases of intensively cultured hybrid poplars: a summary of recent research in the north central region. In: Hansen, Edward A., ed. Intensive plantation culture: 12 years research. Gen. Tech. Rep. NC-91. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station. 102-109.
• Ostry, Michael E.; Nicholls, Thomas H.; French, D.W. 1983. Animal vectors of eastern dwarf mistletoe of black spruce.. Research Paper NC-232. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Ostry, Michael E.; Walters, James W. 1983. HOW to Identify and Minimize White Trunk Rot of Aspen. HT-63. [Broomall, PA]: U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
• Ostry, Michael E.; Nicholls, Thomas H. 1982. A Technique for Trapping Fungal Spores. Research Note NC-283. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Nichols, Thomas H.; Ostry, Michael E.; Fuller, Mark R. 1981. Marking Ground Targets With Radio Transmitters Dropped From Aircraft. Research Note NC-274. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Anderson, Neil A.; Ostry, Michael E.; Anderson, Gerald W. 1976. Hypoxylon Canker of Aspen Associated With Saperda inornata Galls. Research Note NC-214. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
• Ostry, Michael E.; Nicholls, Thomas H. 1976. HOW to Identify and Control Sapsucker Injury on Trees. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station