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Showing 1-20 of 1,186 results
  1. Espèces caractéristiques et positionnement syntaxonomique des communautés à petite massette (Typha minima): une contribution au choix des sites de réintroduction d’une espèce alluviale menacée

    Dwarf bulrush ( Typha minima Hoppe) is declining throughout Europe. A precise knowledge of its ecological niche is required for successful...

    Patrice Prunier, Christoph Köhler, ... Pierre-André Frossard in Botanica Helvetica
    Article 12 October 2010
  2. Distribution et régression de la petite massette (Typha minima) dans les Alpes

    Dwarf Bulrush ( Typha minima Hoppe) is an alluvial species that used to colonize most major rivers of the prealpine foothills. Since the beginning of...

    Patrice Prunier, Luc Garraud, ... Philippe Werner in Botanica Helvetica
    Article 16 July 2010
  3. Les pelouses à Festuca paniculata du Tessin (Suisse) dans un contexte Alpin

    Vittoz P., Selldorf P., Eggenberg S. and Maire S. 2005. Festuca paniculata meadows in Ticino (Switzerland) and their Alpine environment. Bot. Helv....

    Pascal Vittoz, Paolo Selldorf, ... Stéfanie Maire in Botanica Helvetica
    Article 01 June 2005
  4. Une méthode d'utilisation possible de l'échelle de 1 à 9 pour l'évaluation de la résistance aux virus chez les cultivars de pomme de terre

    Virus resistance of potato cultivars or hybrids expressed in terms of a 1 to 9 scale can be evaluated objectively. The method is based on the...

    W. Gabriel in Potato Research
    Article 01 December 1995
  5. El origen del maiz: El grano de la humanidad

    Walton C. Galinat in Economic Botany
    Article 01 January 1995
  6. Contribution à l’étude de làabsorption du saccharose par des tissus de tubercule de pomme de terre adulte (Solatium tuberosum L.) modalités et influence des phytohormones

    Sugar uptake by potato tuber discs was studied. Discs were used “fresh” or after a 24-h ageing period. It was shown that ageing increases (by 3 to 4...

    M. Penot, A. Hourmant, A. Reddahi in Biologia Plantarum
    Article 01 September 1993
  7. Effet de l'osmolarité et de la composition du milieu sur la callogénèse, la caulogénèse et la rhizogénèse de fragments d'hypocotyles deBrassica oleracea L. var.botrytis

    Callus formation by fragments of cauliflower hypocotyls was favoured by raising culture medium osmolarity above −0.38 MPa. Increase in sucrose...

    J. L. Vandemoortele, J. P. Billard, ... T. Gaspar in Biologia Plantarum
    Article 01 March 1993
  8. Caractérisation directe deRhizoctonia solani Kühn AG3 à partir de sclérotes sur tubercules de pomme de terre par deux méthodes sérologiques

    Total mycelial extract of R. solani AG3 was purified by ion-exchange chromatography. Beforehand part of the extract was heat-treated at 60°C for 10...

    Lucien Hingand, Sylvie Le Coz-Gillet in Potato Research
    Article 01 March 1993
  9. Variabilité morphologique, caryologique et enzymatique chez quelques populations dePhragmites australis (Cav.)Trin. exSteud.

    Use of morphological, karyological and enzymatic approaches in the study of 11 populations of Phragmites australis (Cav.) Trin. ex Steud. originating...

    Article 01 March 1992
  10. Reproductive Biology and Plant Breeding Biologie de la Reproduction et Amélioration des Plantes

    This volume has been produced for the XI 11th EUCARPIA Congress. EUCARPIA (the European Association for Plant breeding) currently has 1.200 members,...
    Yvette Dattée, Christian Dumas, André Gallais
    Conference proceedings 1992
  11. Test de descendance pour la résistance àGlobodera pallida Pa2/3 Stone chez la pomme de terre

    A test to assess potato progeny resistance to Globodera pallida Pa 2/3 has been developed. About 100 seeds per cross were grown on an agar medium in...

    Catherine Balandras, Didier Mugniery, Patrick Rousselle in Potato Research
    Article 01 September 1991
  12. Utilisation d'anticorps spécifiques d'une fraction obtenue par chromatographie d'exclusion pour une amélioration de la caractérisation sérologique deRhizoctonia solani Kühn AG3

    A soluble mycelial extract of R. solani AG3 was purified by size exclusion chromatography. Five peaks were present in the elution profile: the first...

    Sylvie Le Coz-Gillet, Lucien Hingand in Potato Research
    Article 01 June 1991
  13. Etude de la globuline des graines de Tournesol (Helianthus annuus L.) accumulation au cours de la maturation et localisation intracellulaire

    Protein synthesis and accumulation in growing sunflower ( Helianthus annuus L.cv.Airelle) seeds are studied. The salt soluble fraction, globulin, is...

    E. Ferjani, G. Ledoigt in Biologia Plantarum
    Article 01 November 1990
  14. Influence de i’acide abscissique sur le transport d’ions inorganiques chez la pomme de terre (solanum tuberosum cv. Bintje). etude comparée avec quelques autres phytohormones

    Using detached leaves of potato plants ( Solanum tuberosum cv. Bintje) it was shown that abscisic acid (ABA) induced an oriented transport of ions ( 86 Rb,...

    Sausan Suleiman, Annick Hourmant, Michel Penot in Biologia Plantarum
    Article 01 March 1990
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