Source: AGRICOLA database (1970-1996)

Gillespie, A. R., S. Jose, et al. (2000). Defining competition vectors in a temperate alley cropping system in the midwestern USA: 1. Production physiology. Agroforestry Systems 48(1): 25-40. {a} Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN, 47907-1159, USA

Jose, S., A. R. Gillespie, et al. (2000). Defining competition vectors in a temperate alley cropping system in the midwestern USA: 2. Competition for water. Agroforestry Systems 48(1): 41-59. {a} Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN, 47907-1159, USA

Jose, S., A. R. Gillespie, et al. (2000). Defining competition vectors in a temperate alley cropping system in the midwestern USA: 3. Competition for nitrogen and litter decomposition dynamics. Agroforestry Systems 48(1): 61-77. {a} Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN, 47907-1159, USA

Konopkova, J. and F. Tokar (2000). Energy content of the aboveground biomass of Quercus rubra L. and Juglans nigra L. Ekologia Bratislava. [print] 19(1): 10-22. {a} Branch for the Biology of Woody Plants, Institute of Forest Ecology Slovak Academy of Sciences, Akademicka 2, 949 01, Nitra, Slovakia

McCue, T. M. E., E. G. Davis, et al. (2000). Black walnut induced laminitis. Veterinary and Human Toxicology. Feb. 42(1): 8-11. {a} Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS, 66506-5606, USA

Ponder, F., Jr. (2000). Survival and growth of planted hardwoods in harvested openings with first-order lateral root differences, root-dipping, and tree shelters. Northern Journal of Applied Forestry. [print] June 17(2): 45-50. {a} North Central Research Station, USDA Forest Service, Lincoln University, 208 Foster Hall, Jefferson City, MO, 65102, USA

Quinn, J. M., G. P. Burrell, et al. (2000). Influences of leaf toughness and nitrogen content on in-stream processing and nutrient uptake by litter in a Waikato, New Zealand, pasture stream and streamside channels. New Zealand Journal of Marine and Freshwater Research. [print] June 34(2): 253-271. {a} National Institute of Water and Atmospheric Research Ltd, Hamilton, New Zealand

Stanford, A. M., R. Harden, et al. (2000). Phylogeny and biogeography of Juglans (Juglandaceae) based on matK and ITS sequence data. American Journal of Botany. [print] June 87(6): 872-882. {a} Division of Science and Mathematics, University of the Virgin Islands, 2 John Brewers Bay, Saint Thomas, VI, 00802, USA

Belisario, A., A. Zoina, et al. (1999). Susceptibility of species of Juglans to pathovars of Xanthomonas campestris. European Journal of Forest Pathology 29(1): 75-80. {a} Ist. Sperimentale per la Patol. Veg., Via C. G. Bertero 22, 00156 Rome, Italy

Cline, M. G. and D. O. Deppong (1999). The role of apical dominance in paradormancy of temperate woody plants: A reappraisal. Journal of Plant Physiology. Sept. 155(3): 350-356. {a} Department of Plant Biology, Ohio State University Columbus, Columbus, OH, 43210, USA

Gulmahamad, H. (1999). New host records for the black polycaon. Pan Pacific Entomologist. July 75(3): 178-180. {a} Terminix International, 1501 Harris Court, Anaheim, CA, 92806, USA

Hussendoerfer, E. (1999). Short note: Identification of natural hybrids Juglans X intermedia CARR. using isoenzyme gene markers. Silvae Genetica 48(1): 50-52. {a} Abteilung Botanik und Standortskunde, Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Wonnhaldestr. 4, D-79100, Freiburg, Germany

Kohan, S. (1999). Some data on black walnut (Juglans nigra L.) stands and their management in lowland areas of Slovakia. Journal of Forest Science Prague. Jan. 45(1): 31-37. {a} Lesnicky vyskumny ustav, Vyskumna stanica, Carskeho 3, 040 01, Kosice, Slovakia

Pirazzi, R., E. Rea, et al. (1999). Improvement of micronutrient uptake of valuable broadleaves in interaction with Glomus mosseae. Geomicrobiology Journal 16(1): 79-84. {a} Istituto Sperimentale per la Nutrizione delle Piante, via della Navicella 2-4, 00184, Roma, Italy

Tokar, F. (1999). Leaf area index and dendromass production in red oak (Quercus rubra L.) and black walnut (Juglans nigra L.) stands. Ekologia Bratislava 18(3): 246-254. {a} Department for the Biology of Woody Plants, Institute of Forest Ecology of the Slovak Academy of Sciences, Akademicka 2, 949 01, Nitra, Slovakia

Abrams, M. D., C. M. Ruffner, et al. (1998). Tree-ring responses to drought across species and contrasting sites in the ridge and valley of central Pennsylvania. Forest Science 44(4): 550-558. {a} 4 Ferguson Build., Sch. Forest Resources, Pa. State Univ., University Park, PA 16802, USA

Alley, J. L., H. E. Garrett, et al. (1998). Forage legumes as living mulches for trees in agroforestry practices - Preliminary results. Agroforestry Systems 44(2-3): 281-291. {a} School of Natural Resources, University of Missouri, Columbia, MO, 65211, USA

Bianco, M. A., A. Handaji, et al. (1998). Quantitative analysis of ellagic acid in hardwood samples. Science of the Total Environment 222(1-2): 123-126. {a} Institute Occupational Health Sciences, Rue Du Bugnon 19, CH-1005 Lausanne, Switzerland

Burtin, P., A. C. Jay, et al. (1998). Natural wood colouring process in Juglans sp. (J. nigra, J. regia and hybrid J. nigra 23 X J. regia) depends on native phenolic compounds accumulated in the transition zone between sapwood and heartwood. Trees Berlin 12(5): 258-264. {a} Stn. Rech. Qualite Bois, INRA Nancy, F-54280 Champenoux, France

Dudek, D. M., J. R. McClenahen, et al. (1998). Tree growth responses of Populus deltoides and Juglans nigra to streamflow and climate in a bottomland hardwood forest in central Ohio. American Midland Naturalist 140(2): 233-244. {a} Sch. Nat. Resources, Ohio State Univ., 2021 Coffey Road, Columbus, OH 43210, USA

Dupraz, C., V. Simorte, et al. (1998). Growth and nitrogen status of young walnuts as affected by intercropped legumes in a Mediterranean climate. Agroforestry Systems 43(1-3): 71-80. {a} INRA-Lepse, 2, Place Viala, 34060, Montpellier, France

El, E. C., A. C. Jay, et al. (1998). Expression of antisense chalcone synthase RNA in transgenic hybrid walnut microcuttings. Effect on flavonoid content and rooting ability. Plant Molecular Biology 38(3): 467-479. {a} Lab. Biol. Cell., INRA, Route Saint Cyr, 78026 Versailles Cedex, France

Geyer, W. A. and G. Rink (1998). Interaction effects of seed source, culture, and pest management on growth of Juglans nigra in plantations. Silvae Genetica 47(1): 51-58. {a} Forestry, Throckmorton Hall, Kansas State Univ., Manhattan, KS 66506, USA

Gray, D. and H. E. G. Garrett (1998). Nitrogen fertilization and aspects of fruit yield in a Missouri black walnut alley cropping practice. Agroforestry Systems 44(2-3): 333-344. {a} School of Natural Resources, University of Missouri, Columbia, MO, USA

Hamburg, S. P. and T. C. Lin (1998). Throughfall chemistry of an ecotonal forest on the edge of the Great Plains. Canadian Journal of Forest Research 28(10): 1456-1463. {a} Brown Univ., P.O. Box 1943, Providence, RI 02912-1943, USA

Hannah, P. R. (1998). Observations on planted yellow birch. Northern Journal of Applied Forestry 15(2): 106. {a} Univ. Vt., Sch. Nat. Resources, Burlington, VT 05405, USA

Huber, W. and D. K. Ferguson (1998). On the abrasion of diaspores during fluvial transport: An experimental approach. Review of Palaeobotany and Palynology 102(3-4): 305-311. {a} Palaeontol. Inst., Geocentre, Univ. Vienna, Althanstr. 14, A-1090 Vienna, Austria

Jose, S. and A. R. Gillespie (1998). Allelopathy in black walnut (Juglans nigra L.) alley cropping. I. Spatio-temporal variation in soil juglone in a black walnut-corn (Zea mays L.) alley cropping system in the midwestern USA. Plant and Soil 203(2): 191-197. {a} Dep. Forest Resources, Univ. Minn., St. Paul, MN 55108, USA

Jose, S. and A. R. Gillespie (1998). Allelopathy in black walnut (Juglans nigra L.) alley cropping. II. Effects of juglone on hydroponically grown corn (Zea mays L.) and soybean (Glycine max. L. Merr.) growth and physiology. Plant and Soil 203(2): 199-205. {a} Dep. Forest Resources, Univ. Minn., St. Paul, MN 55108, USA

LaGesse, V. L., W. E. McClain, et al. (1998). Woody vegetation survey of Sibley Burr Oak Grove nature preserve, Ford County, Illinois. Transactions of the Wisconsin Academy of Sciences Arts and Letters 86: 111-117. {a} The Nature Conservancy, Eureka, IL, 61530, USA

Loewenstein, N. J. and S. G. Pallardy (1998). Drough tolerance, xylem sap abscisic acid and stomatal conductance during soil drying: A comparison of canopy trees of three temperate deciduous angiosperms. Tree Physiology 18(7): 431-439. {a} Sch. Nat. Resources, 1-31 Agric. Build., Univ. Missouri, Columbia, MO 65211, USA

Loewenstein, N. J. and S. G. Pallardy (1998). Drought tolerance, xylem sap abscisic acid and stomatal conductance during soil drying: A comparison of young plants of four temperate deciduous angiosperms. Tree Physiology 18(7): 421-430. {a} Sch. Nat. Resources, 1-31 Agric. Build., Univ. Missouri, Columbia, MO 65211, USA

Nicolescu, N. V. (1998). Considerations regarding black walnut (Juglans nigra) culture in the north-west of Romania. Forestry Oxford 71(4): 349-354. {a} Fac. Silviculture Forest Eng., Transylvania Univ., Sirul Beethoven 1, 2200 Brasov, Romania

Ponder, F., Jr. (1998). Fertilizer combinations benefit diameter growth of plantation black walnut. Journal of Plant Nutrition 21(7): 1329-1337. {a} USDA For. Serv., North Central For. Exp. Station, 208 Foster Hall, Lincoln Univ., Jefferson City, MO 65102, USA

Ponder, F., Jr., J. E. Jones, et al. (1998). Annual applications of N, P, and K for four years moderately increase nut production in black walnut. Hortscience 33(6): 1011-1013. {a} U.S. Dep. Agric. Forest Serv., North Central Forest Experiment Station, 208 Foster Hall, Lincoln Univ., Jefferson City, MO 65102, USA

Thevathasan, N. V., A. M. Gordon, et al. (1998). Juglone (5-hydroxy-1,4 napthoquinone) and soil nitrogen transformation interactions under a walnut plantation in southern Ontario, Canada. Agroforestry Systems 44(2-3): 151-162. {a} Agroforestry, Department of Environmental Biology, University of Guelph, Guelph, ON, N1G 2W1, Canada

Winston, W. E., O. J. Sexton, et al. (1998). Effect of the 1993 and 1995 floods on vegetation of the Marais Temps Clair Conservation Area St. Charles County, Missouri. Transactions of the Missouri Academy of Science 32: 91-98. {a} Environmental Studies, Washington University, St. Louis, MO, 63130, USA

Belisario, A., S. O. Cacciola, et al. (1997). Phytophthora cactorum on walnut seedlings in Italian nurseries. European Journal of Forest Pathology 27(3): 137-146. {a} Ist. Sperimentale Per La Patologia Vegetale, Via C. G. Bertero 22, I-00156 Roma, Italy

Chenevard, D., J. S. Frossard, et al. (1997). Carbohydrate reserves and CO-2 balance of hybrid walnut (Juglans nigra no. 23 X Juglans regia) plantlets during acclimatisation. Scientia Horticulturae Amsterdam 68(1-4): 207-217. {a} Unite Associee Bioclimatologie-P.I.A.F., Domaine Crouelle 63039, Clermont-Ferrand Cedex 02, France

Claudot, A. C., D. Ernst, et al. (1997). Chalcone synthase activity and polyphenolic compounds of shoot tissues from adult and rejuvenated walnut trees. Planta Heidelberg 203(3): 275-282. {a} Lab. Plant Physiol., Univ. Orleans, BP 6749, F-45067 Orleans Cedex 2, France

Dupraz, C. (1997). Greenhouse effect shelters for seedlings. Part II: Increasing their efficiency by optimized ventilation and greater light exposure. Revue Forestiere Francaise Nancy 49(6): 519-530. {a} Lab. Ecophysiol. Plantes, Inst. Natl. Recherche Agronomique, Cent. Recherche Montpellier, 2 place Viala, F-34060 Montpellier Cedex 1, France

Gatineau, F., J. G. Fouche, et al. (1997). Quantitative variations of indolyl compounds including IAA, IAA-aspartate and serotonin in walnut microcuttings during root induction. Biologia Plantarum Prague 39(1): 131-137. {a} Inst. Bot. B 22, Univ. Liege, Sart-Tilman, B-4000 Liege, Belgium

Kost, D. A., D. A. Boutelle, et al. (1997). Papermill sludge amendments, tree protection, and tree establishment on an abandoned coal minesoil. Journal of Environmental Quality 26(5): 1409-1416. {a} Sch. Natural Resources, Ohio State Univ., Wooster, OH 44691, USA

Ostry, M. E., S. Katovich, et al. (1997). First report of Sirococcus clavigignenti-juglandacearum on black walnut. Plant Disease 81(7): 830. {a} USDA For. Serv., 1992 Folwell Ave., St. Paul, MN 55108, USA

Schultz, R. C. and J. R. Thompson (1997). Effect of density control and undercutting on root morphology of 1+0 bareroot hardwood seedlings: Five-year field performance of root-graded stock in the central USA. New Forests 13(1-3): 301-314. {a} Dep. Forestry, 251 Bessey Hall, Iowa State Univ., Ames, IA 50011, USA

Tokar, F. and J. Konopkova (1997). Dynamic changes in the content of selected chemical elements in the aboveground biomass of different red oak (Quercus rubra L.) and black walnut (Jugulans nigra L.) stand types. Ekologia Bratislava 16(4): 385-394. Inst. For. Ecol. SAS, Branch Biol. Woody Plants, Akad. 2, 949 01 Nitra, Slovakia

Vidakovic, C. Z., B. Jelencic, et al. (1997). Increasing of serotonin content in seeds of Juglans nigra L. and Juglans cinerea L. during ripening. Periodicum Biologorum 99(1): 103-106. {a} Fac. Sci., Dep. Bot., Rooseveltov trg 6, 1000 Zagreb, Croatia

Walters, G. M. and B. C. McCarthy (1997). Forest decline and tree mortality in a southeastern Ohio oak-hickory forest. Ohio Journal of Science 97(1): 5-9. {a} Dep. Environ. Plant Biol., Ohio Univ., Athens, OH 45701-2979, USA

Ward, J. S. (1997). Influence of initial seedling size and browse protection on height growth: 5-year results. U S Forest Service General Technical Report PNW(389): 127-134. Dep. For. Hortic., Conn. Agric. Exp. Stn., 123 Huntington St., PO Box 1106, New Haven, CT 06504, USA

Belisario, A. and L. Corazza (1996). First report of Sclerotium rolfsii on Juglans in Europe. Plant Disease 80(7): 824. Istituto Sperimentale Patologia Vegetale, Via C. G. Bertero 22, 00156 Roma, Italy

Innes, L. and A. Rainville (1996). Distribution and detection of Sirococcus clavigignenti-juglandacearum in Quebec. Phytoprotection 77(2): 75-78. {a} Ministere des Ressources Naturelles du Quebec, Direction de la conservation des forets, Quebec, PQ G1N 2C9, Canada

Larson, D. W. (1996). Brown's Woods: An early gravel pit forest restoration project, Ontario, Canada. Restoration Ecology 4(1): 11-18. Dep. Botany, Univ. Guelph, Guelph, ON, N1G 2W1, Canada

Schaffer, K. L., M. F. George, et al. (1996). Pistillate flower development in eastern black walnut. Canadian Journal of Forest Research 26(8): 1514-1519. {a} Dep. Biol., Northwest Missouri State Univ., Maryville, MO 64468, USA

Schibig, J. (1996). Twenty years of forest change at Radnor Lake Natural Area, Davidson County, middle Tennessee. Journal of the Tennessee Academy of Science 71(3): 57-72. Dep. Biol., Volunteer State Community Coll., Gallatin, TN 37066, USA

Talley, S. M., R. O. Lawton, et al. (1996). Host preferences of Rhus radicans (Anacardiaceae) in a southern deciduous harwood forest. Ecology Washington D C 77(4): 1271-1276. {a} Dep. Biol. Sci., Univ. Alabama Huntsville, Huntsville, AL 35899, USA

Tokar, F. (1996). Development of volume and weight production of tended stands of red oak (Quercus ruba L.) and black walnut (Juglans nigra L.). Lesnictvi Prague 42(5): 213-220. Ustav Ekologie lesa SAV, Pobocka Biologie Drevin, Akademicka 2, 949 01 Nitra, Slovenia

Vozzo, J. A., J. M. Halloin, et al. (1996). Use of NMR spectroscopy and magnetic resonance imaging for discriminating Juglans nigra L. seeds. Seed Science and Technology 24(3): 457-463. {a} Forestery Sci. Lab., P.O. Box 928, USDA-FS, Starkville, MS 39760, USA

Chaney, W. R., P. E. Pope, et al. (1995). Tree survival and growth on land reclaimed in accord with public law 95-87. Journal of Environmental Quality 24(4): 630-634. {a} Dep. Forest. Nat. Resour., 1159 Forestry, Purdue Univ., West Lafayette, IN 47907, USA

Chenevard, D., A. C. Jay, et al. (1995). The effect of sucrose on the development of hybrid walnut microcuttings (Juglans nigra x Juglans regia): Consequences on their survival during acclimatization. Annales des Sciences Forestieres Paris 52(2): 147-156. {a} Unite Associee Bioclimatol.-PIAF, Domaine Crouelle, 63039 Clermont-Ferrand Cedex 02, France

Dillard, H. R., A. C. Cobb, et al. (1995). First report of zonate leaf spot on tomato, caused by Cristulariella moricola, in New York. Plant Disease 79(3): 319. {a} Cornell Univ., New York State Agric. Exp. Stn., Geneva, NY 14456, USA

Eaton, S. A., D. Allen, et al. (1995). Digital starling forces and hemodynamics during early laminitis induced by an aqueous extract of black walnut (Juglans nigra) in horses. American Journal of Veterinary Research 56(10): 1338-1344. {a} Valley Equine Hosp., Upper Lambourn Rd., Lambourn, Berkshire RG17 8Q6, UK

Fjellstrom, R. G. and D. E. Parfitt (1995). Phylogenetic analysis and evolution of the genus Juglans (Juglandaceae) as determined from nuclear genome RFLPs. Plant Systematics and Evolution 197(1-4): 19-32. {a} National Forage Seed Production Res. Cent., Agric. Res. Service, USDA, Corvallis, OR 97331, USA

Gillespie, A. R., B. K. Miller, et al. (1995). Effects of ground cover on tree survival and growth in filter strips of the Cornbelt Region of the midwestern US. Agriculture Ecosystems and Environment 53(3): 263-270. {a} Dep. Forestery Nat. Resour., Purdue University, West Lafayette, IN 47907-1159, USA

Heckman, J. R. and D. Kluchinski (1995). Soybean nodulation and nitrogen fixation on soil amended with plant residues. Biology and Fertility of Soils 20(4): 284-288. {a} Plant Sci. Dep., Lipman Hall, Rutgers Univ., New Brunswick, NJ 08903, USA

Hruska, M. C. and J. E. Ebinger (1995). Monitoring a savanna restoration in east-central Illinois. Transactions of the Illinois State Academy of Science 88(3-4): 109-117. Bot. Dep., East. Ill. Univ., Charleston, IL 61920, USA

Jones, J. E., H. E. Garrett, et al. (1995). Genetic selection and fertilization provide increased nut production under walnut-agroforestry management. Agroforestry Systems 29(3): 265-273. {a} School of Natural Resources, Univ. of Missouri, Columbia, MO 65211, USA

Linit, M. J. and S. Necibi (1995). Black walnut curculio: Patterns of nut damage in a plantation environment. Agroforestry Systems 29(3): 321-331. Entomology Dep., Univ. of Missouri, Columbia, MO 65211, USA

Long, L. M., J. E. Preece, et al. (1995). Adventitious regeneration of Juglans nigra L. (eastern black walnut). Plant Cell Reports 14(12): 799-803. {a} Dep. Plant Soil Sci., South. Ill. Univ., Carbondale, IL 62901, USA

Morano, L. D. and M. A. Walker (1995). Soils and plant communities associated with three Vitis species. American Midland Naturalist 134(2): 254-263. {a} Dep. Viticulture and Enol., Univ. California, Davis, CA 95616, USA

Smith, J. F. and J. J. Doyle (1995). A cladistic analysis of chloroplast DNA restriction site variation and morphology for the genera of the Juglandaceae. American Journal of Botany 82(9): 1163-1172. {a} Biol. Dep., Boise State University, 1910 University Dr., Boise, ID 83725, USA

Xi, S., Z. Wang, et al. (1995). Introduction of American walnuts (Juglans L.) in China. Forest Research 8(3): 285-290. {a} Research Inst. Forestry-CAF, Beijing 100091, China

Abrams, M. D., M. E. Kubiske, et al. (1994). Relating wet and dry year ecophysiology to leaf structure in contrasting temperate tree species. Ecology Tempe 75(1): 123-133. Sch. Forest Resources, Ferguson Build., Pennsylvania State Univ., Univerity Park, PA 16802, USA

Badalov, P. P. (1994). Biology of repeated blossoming of Juglans L. species male inflorescences. Ukrayins'kyi Botanichnyi Zhurnal 51(2-3): 231-234. I.M. Vysotskyi Ukr. Res. Inst. For. Agrar. For. Reclam., vul. Pushkins'ka 86, 310024 Kharkov-24, Ukraine

Bresnan, D. F., G. Rink, et al. (1994). Black walnut provenance performance in seven 22-year-old plantations. Silvae Genetica 43(4): 246-252. {a} Dep. Horticulture Forestry Recreational Resources, Kansas State Univ., Manhattan, KS 66506, USA

Fjellstrom, R. G. and D. E. Parfitt (1994). Walnut (Juglans spp.) genetic diversity determined by restriction fragment length polymorphisms. Genome 37(4): 690-700. Dep. Pomol., Univ. California, Davis, CA 95616, USA

Hengst, G. E. and J. O. Dawson (1994). Bark properties and fire resistance of selected tree species from the central hardwood region of North America. Canadian Journal of Forest Research 24(4): 688-696. {a} Dep. Forestry, Univ. Ill. Urbana-Champaign, Urbana, IL 61801, USA

Loiko, R. E. and T. S. Shirko (1994). Mineral content of nut kernel of some walnut species in Belarus and Ukraine. Fiziologiya i Biokhimiya Kul'turnykh Rastenii 26(2): 165-170. Belaruss. Res. Inst. Fruit Grow., Samokhvalovichi, Minsk Raion, Belarus

Lopez, M. M., R. Marti, et al. (1994). Phytopathogenic bacteria identified in walnut in Spain. Investigacion Agraria Produccion y Proteccion Vegetales(Suppl. 2): 307-313. {a} IVIA, Moncada, Valencia, Spain

Luft, J., J. Malinowski, et al. (1994). Odor as a factor in nut discovery by fox squirrels. Transactions of the Kansas Academy of Science 97(1-2): 1-3. Div. Biol., Kansas State Univ., Manhattan, KS 66506, USA

Pitts, R. M., J. R. Choate, et al. (1994). Plains pocket gopher storing black walnuts. Prairie Naturalist 26(4): 312. {a} U.S. Army Reserve Personnel Cent., OPD, 9700 Page Blvd., St. Louis, MO 63132, USA

Rink, G., G. Zhang, et al. (1994). Mating parameters in Juglans nigra L. seed orchard similar to natural population estimates. Silvae Genetica 43(4): 261-263. {a} North Central Forest Exp. Stn., Forestry Sci. Lab., Southern Illinois Univ., Carbondale, IL 62901-4630, USA

Thijs, H., J. R. Shann, et al. (1994). The effect of phytotoxins on competitive outcome in a model system. Ecology Tempe 75(7): 1959-1964. {a} Dep. Chem., Ashland Univ., Ashland, OH 44805-3799, USA

Vrestiak, P. (1994). Foliage biomass of black walnut (Juglans nigra L.). Lesnictvi Prague 40(1-2): 4-9. Vysoka Skola Polnohospodarska, Agronomicka Faculta, Tr. A. Hlinku 2, 949 01 Nitra, Czech Republic

Adegbehin, J. O. and J. E. Omijeh (1993). Agroforestry diagnostic survey of some parts of Niger State of Nigeria. Agroforestry Systems 22(1): 1-15. Natl. Agric. Extension Res. Liaison Services, Ahmadu Bello Univ., P.M.B. 1067, Zaria, Nigeria

An, Z. Q., T. Shen, et al. (1993). Mycorrhizal fungi in relation to growth and mineral nutrition of apple seedlings. Scientia Horticulturae Amsterdam 54(4): 275-285. {a} Dep. Hortic., Beijing Agric. Univ., Beijing, China

Arnold, M. A. and D. K. Struve (1993). Root distribution and mineral uptake of coarse-rooted trees grown in cupric hydroxide-treated containers. Hortscience 28(10): 988-992. {a} Dep. Horticultural Sci., Texas A and M Univ., College Station, TX 77843-2133, USA

Barbas, E., S. Chaillou, et al. (1993). Orthophosphate nutrition of in vitro propagated hybrid walnut (Juglans nigra X Juglans regia) trees: Pi (phosphorus-32 Pi) uptake and transport in relation to callus and shoot development. Plant Physiology and Biochemistry Montrouge 31(1): 41-49. {a} Lab. Biochim. Physiol. Veg., E.N.S.A.M., Place Viala, 34060 Montpellier Cedex 1, France

Barbas, E., A. C. Jay, et al. (1993). Effect of gelling agents on growth, mineral composition and naphthoquinone content of in vitro explants of hybrid walnut tree (Juglans regia x Juglans nigra). Annales des Sciences Forestieres Paris 50(2): 177-186. {a} INRA, Stn d'Amelioration Arbres Forestiers, 45160 Olivet, France

Cutter, B. E. and H. E. Garrett (1993). Wood quality in alleycropped eastern black walnut. Agroforestry Systems 22(1): 25-32. Sch. Natural Resoruces, 1-30 Agric. Build., Univ. Missouri-Columbia, Columbia, MO 65211, USA

Heijl, A. M., F. A. Einhellig, et al. (1993). Effects of juglone on growth, photosynthesis, and respiration. Journal of Chemical Ecology 19(3): 559-568. {a} Graduate Studies Office, Southwest Missouri State University, Springfield, MO 65804

Kerr, G. (1993). Establishment and provenance of walnut in Britain. Forestry Eynsham 66(4): 381-393. Forestry Authority, Res. Div., Alice Holt Lodge, Wrecclesham, Farnham, Surrey GU10 4LH, UK

Ko, L. J. and P. B. Reich (1993). Oak tree effects on soil and herbaceous vegetation in savannas and pastures in Wisconsin. American Midland Naturalist 130(1): 31-42. {a} U.S. Soil Conservation Serv., Lynden, WA 98264, USA

Kubiske, M. E. and M. D. Abrams (1993). Stomatal and nonstomatal limitations of photosynthesis in 19 temperate tree species on contrasting sites during wet and dry years. Plant Cell and Environment 16(9): 1123-1129. {a} Michigan State Univ., Dep. Forestry, East Lansing, MI 48824-1222, USA

McClain, W. E., M. A. Jenkins, et al. (1993). Changes in the woody vegetation of a bur oak savanna remnant in central Illinois. Natural Areas Journal 13(2): 108-114. {a} Natural Heritage Div., Ill. Dep. Conservation, Springfield, IL 62706, USA

Nemeth, M., M. Kolber, et al. (1993). Spread of CLRV in an old walnut plantation in Transdanubia and the effect of the rootstock on the tree decline. Acta Agronomica Hungarica 42(3-4): 357-363. {a} Crop Prot. Soil Conservation Serv., Budapest, Hungary

Neuman, M. C., J. E. Preece, et al. (1993). Somatic embryogenesis and callus production from cotyledon explants of Eastern black walnut. Plant Cell Tissue and Organ Culture 32(1): 9-18. {a} Dep. Plant Soil Sci., South Ill. Univ., Carbondale, IL 62901, USA

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