Résultat(s) 21 - 40 résultats de 49 pour la requête 'International Poplar Commission eng 1 Oct 1984 Sess. 17 Ottawa, Ontario (Canada)', Temps de recherche: 0,03s Affiner les résultats
  1. 21
    Intersectional hybridisation of Populus using n-Hexane treatment of the stigma
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  2. 22
    Breeding poplars to combine productivity and durable disease resistance. Strategies for developing countries
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  3. 23
    Conversion and use of poplar and willow biomass for food, fodder and energy in Asia
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  4. 24
    Salicaceae biomass systems: critical aspects influencing production and economics
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  5. 25
    Capacite productive de 16 clones de Populus nigra L. en plantation serree et tres serree et leur reaction au regime a taillis
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  6. 26
    Short-rotation poplar biomass production investigations in Yugoslavia
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  7. 27
    The genetic improvement of willows (Salix spp.) through artificial interspecific hybridization
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  8. 28
    Results of a survey conducted in Casale Monferrato (Italy) regarding the influence of spacing and fertilization on phytosanitary situation of poplar plantations
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  9. 29
    Relationship between induced virulence and the aggressiveness traits of Melampsora medusae
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  10. 30
    Response to gamma irradiation and induced virulent mutation in Melampsora medusae of poplars
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  11. 31
    Reaction of cultivars of Populus spp. to radiation induced virulent mutants of Melampsora medusae
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  12. 32
    Comparaison entre differents clones de peuplier de la section Aigeiros plantes a espacement reduit pour la production de biomasse ligneuse a courtes rotations
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  13. 33
    Interspecific crossability and its relation to the taxonomy of the genus Populus L.
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  14. 34
    Research on in-vitro techniques within the framework of poplar breeding: results and future trends
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  15. 35
    The international Populus trichocarpa provenance trial 1973/1975 after ten years of observation
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  16. 36
    Study on cuttage by using hardwood cuttings (winter cuttings) of Populus tomentosa Carr.
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  17. 37
    Conversion and use of poplar and willow biomass for food, fodder and energy in North America
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  18. 38
    Report of the 17th Session of the International Poplar Commission and the 32nd Session of its Executive Committee
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  19. 39
    Report of the Belgian Working Group on Entomology, period 1979 to 1983
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  20. 40
    Considerations sur le defilement d'anciens peupliers hybrides euramericains
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