Abstracts of Papers and Posters Presented at the 21St Session of The
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UNITED STATES DEPARTMENT OF AGRICULTURE FOOD AND AGRICULTURE CANADIAN FOREST SERVICE ORGANIZATION OF THE UNITED NATIONS FOREST SERVICE INTERNATIONAL POPLAR COMMISSION Abstracts of papers and posters presented at the 21st Session of the Commission Portland, Oregon, USA, 24 - 28 September 2000 Compiled by: J.G. Isebrands and J. Richardson Food and Agriculture Organization of United Nations Session hosted by United States Department of Agriculture - Forest Service and Canadian Forest Service Compiled by: J.G. Isebrands and J. Richardson Portland, Oregon, USA, 24 - 28 September 2000 Originally published in 2000 in hard copy by North Central Research Station USDA Forest Service St. Paul, Minnesota Table of Content Acknowledgments.............................................................................................. 12 Disclaimer .......................................................................................................... 12 Introduction ........................................................................................................ 13 Evaluation and genetic identification of some Populus species by using polyacrylamide elelectrophoresis separation of total soluble proteins................ 14 Breeding for resistance to leaf beetles attacking biomass willow in Europe....... 14 Genetic variation in Populus alba L.: A comparison of isozyme markers and quantitative traits................................................................................................ 15 Recent advances in poplar resistance to insect pests in Europe (1992-1999)... 16 Identification of different commercial clones of Populus using AFLP ................. 16 Influence of elevated atmospheric CO2 on natural pathogen infections of poplar ........................................................................................................................... 17 Identification of selected willow (Salix L.) clones based on morphological, biochemical, and molecular data: a comparative analysis ................................. 18 Willow vegetation filters for waste treatment and soil remediation combined with biomass production ............................................................................................ 18 Quantitative trait loci linked with resistance in hybrid poplar to Chrysomela tremulae ............................................................................................................. 20 Poplar clone susceptibility to the fungus Dothichiza populea Sacc.et Br. .......... 20 Active gene preservation programme for Black poplar (Populus NIGRA L.) in Hungary.............................................................................................................. 21 Achievements in the utilisation of poplar wood—guideposts for the future ........ 22 Populus clones veneer yield and quality along trunks........................................ 23 Study of agro-forestry system, poplar (Populus x euramericana cv. I-488) and crops: use of associated crops in Chile.............................................................. 24 Performance of ‘ex situ’ genetic resources of multiclonal Populus alba L. vitroplants........................................................................................................... 24 Biomass potential of short-rotation poplar and willow plantations, tested in the Danube Delta ..................................................................................................... 25 Root proliferation response to nitrogen-enriched microsites in cottonwood plantations: influence of whole-plant nutritional status ....................................... 25 The Minnesota Hybrid Poplar Research Cooperative Program.......................... 26 The importance of aspen and hybrid aspen in Finnish forestry.......................... 27 Genetic variation of Populus deltoides family by molecular markers.................. 28 Integration of new tools into long-term breeding strategies................................ 29 Density effect on Populus deltoides Marsh. cv. Catfish 5 individual growth in the Argentine Delta .................................................................................................. 31 Reineke Density Index for cottonwood: Analysis of published data ................... 31 Seasonal growth for three clones of Populus deltoides in the Argentine Delta .. 32 Silvo-pastoral system in the Argentine Delta Region ......................................... 33 Poplars: A multiple-use crop for European arable farmers (PAMUCEAF) project overview............................................................................................................. 33 Genetic engineering of reproductive sterility: the promise and problems of developing methods for commercial application................................................. 35 Phylogenetic analysis yields insights into genetic complexity in Salix................ 35 Populus sp.: Behavior in different places of Mendoza, Argentina ...................... 36 Growth stresses in five clones of Populus x euramericana: I-214, Canada Leones, I-262, and I-MC in Spain....................................................................... 36 Relations among the site, the pest (Platypus sulcatus Chapuis), and trunk disease in a commercial plantation of Populus deltoides cv. Catfish-2 located in the low delta of the Parana River (Argentina)..................................................... 37 Studies of population genetics through microsatellite analysis of Populus nigra L. growing on Ticino river banks............................................................................. 38 Poplar-Eucalyptus glued laminated timber......................................................... 39 A willow breeding program for sawing and paper industries .............................. 40 Poplar and global climatic changes: An overview with emphasis on field-grown trees exposed to elevated atmospheric CO2 ...................................................... 40 Xylem ABA accelerates leaf senescence by modulating polyamine and ethylene biosynthesis in water-stressed poplar plants...................................................... 41 Effect of mycorrhizal fungi, bacteria, a rooting hormone, and three levels of fertilizer on the growth and nutrient uptake of poplar cuttings ............................ 42 Cultivation of American poplars in Sweden........................................................ 43 Micropropagation of Salix spp. for foliate meristems.......................................... 44 Western Minnesota poplar plantations show consistent positive response to fertilization.......................................................................................................... 44 Transformation of elite white poplar (Populus alba L.) with a stilbene synthase- encoding gene using Agrobacterium tumefaciens.............................................. 45 An overview of Melampsora attack in Argentina ................................................ 46 Economic evaluation of intercropping with annual crops associated with poplar plantations.......................................................................................................... 46 Cottonwood leaf beetle defoliation impact on Populus growth ........................... 47 Management of aspen and mixed aspen forests for sustainable production...... 48 Ten lessons from ten years of research in Populus production systems............ 49 Conservation of natural ecosystems of poplar and willow.................................. 50 Growth, production, and contribution of farm forestry plantations in Punjab (India) ........................................................................................................................... 51 Potential impacts of hybrid poplar plantations on black cottonwood populations 52 Tree growth and properties of wood from a poplar stand affected by acid rain and air pollution......................................................................................................... 52 Biomass production from I-214 poplars.............................................................. 53 Genetic modification of poplar wood physical and chemical properties ............. 54 The genetic architecture of Salix laevigata as a result of clonal site occupation under a range of hydrologic conditions .............................................................. 55 Poplar silviculture: Applying the European model to American poplar farming .. 55 Effects of environmental conditions on some poplar species............................. 56 Molecular genetic maps of Populus deltoides and P. trichocarpa ...................... 56 Detection of genes and QTL related to rust resistance in poplar........................ 57 Study on technology of poplar deep planting in Korqin Sandy Lands ................ 58 Quantitative and qualitative performances of poplar clones tested in the Danube Valley and Danube Delta.................................................................................... 58 Expansion of aspen (Populus tremuloides) in the Gaspé Peninsula, Québec, Canada, during the 20th century........................................................................ 59 Pathogenic and genetic diversity within Melampsora spp. causing poplar rust in Europe................................................................................................................ 60 Spring and autumn frost tolerance of two poplar clones .................................... 61 Effect of variability