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Generative propagation (Final report Task 4.1.)

Abstract : This final report synthesises the results obtained in the " Towards a European larch wood chain " European project devoted to larch (1-07-1998 / 30-09-2002) in the task "production of improved varieties through generative way" coordinated by Cemagref and including 4 organizations from France (Cemagref, Inra), Ireland (Coillte) and Germany (NFV). Progress has been made in the 3 fields studied namely flower stimulation, pollen management and artificial pollination, seed technology. - Flower stimulation: improvement of girdling, gibberellin 4/7 injection and root-pruning and study of the influence of rootstocks and environmental conditions on flowering. - Pollen and pollination: development of methods in pollen drying, pollen testing and gathering of technical / economic data in the course of a pilot seed production of hybrid larch. - Seed technology: determination of optimal cone collection period and improvement in seed extraction, seed sorting and seed germination.
Mots-clés : RGNO CEMAGREF INRA
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https://hal.inrae.fr/hal-02582751
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Submitted on : Thursday, May 14, 2020 - 9:52:47 PM
Last modification on : Wednesday, November 17, 2021 - 2:52:03 PM

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  • HAL Id : hal-02582751, version 1
  • IRSTEA : PUB00013198

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Gwenaël Philippe, Patrick Baldet, C. Muller, L.E. Pâques, D. Thompson, et al.. Generative propagation (Final report Task 4.1.). Towards a European larch wood chain : final report for the period from 01.07.98 to 30.09.02, PAQUES L.E., 2003, pp.1-51. ⟨hal-02582751⟩

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