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Evaluation et homologation de variétés issues des vergers à graines de l'Etat - programme 2015. Rapport final

Abstract : This report shows the work done in 2015 by Irstea, INRA, ONF and CNPF in the frame of a joint research programme dedicated to improved variety testing. Four species or groups of species are involved: Douglas-fir, larches, Norway spruce and ash. With regard to Douglas-fir, the actions aim to enlarge the common network of comparative trials and compare the performance of French varieties for survival, health, growth, branching, cold hardiness and drought resistance. For larch, the results mainly concern i) performance of hybrids versus non-hybrid progenies, ii) the variation of hybrid percentage over time, from the seed lot to the thinned stand and iii) the origin of the clones that compose the two French seed orchards of Sudeten larch. At last, across site analyses give information about the worth of a seed orchard of Norway spruce (Rachovo provenance).
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https://hal.inrae.fr/hal-02602424
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Submitted on : Saturday, May 16, 2020 - 7:49:35 AM
Last modification on : Wednesday, November 17, 2021 - 2:52:04 PM

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  • HAL Id : hal-02602424, version 1
  • IRSTEA : PUB00046487

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Gwenaël Philippe, S. Matz, Patrick Baldet, E. Collin, Frédérique Santi, et al.. Evaluation et homologation de variétés issues des vergers à graines de l'Etat - programme 2015. Rapport final. [Rapport de recherche] irstea. 2016, pp.139. ⟨hal-02602424⟩

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