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The species involved in this subtask are : Norway spruce (ARBORETUM), Sitka spruce (COILLTE, FORESTRY COMMISSION), Hybrid larch (CEMAGREF, FORESTRY COMMISSION, INRA) and Douglas fir (INRA). The main points focused in the second year were : Stock[...]
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The rooting ability of hybrid larch cuttings collected from different types of stock plants ( i :1 year -stock plants raised indoors in glass-house or outdoor under climatic cloth with different regimes of light- ii :2 year stock plants transpla[...]
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Two experiments were carried out for hybrid larch in 1993, indoors in a glass-house, outdoors under a shading tunnel, to compare the effect of different environmental conditions and facilities on the growth of stock plant and later on multiplica[...]
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V. Pellicer ; J. Guehl ; INRA ANGERS STATION D'AGRONOMIE ; F. Daudet ; INRA CHAMPENOUX UNITE ECOPHYSIOLOGIE FORESTIERE ; M. Cazet ; INRA CLERMONT FERRAND UNITE ASSOCIEE PIAF BIOCLIMATOLOGIE ; CEMAGREF NOGENT SUR VERNISSON RGNO ; L. Rivière ; P. Maillard | 2000Changes in use of both stored and newly synthesized sources of carbon ( C ) and nitrogen (N) were investigated during rooting of leafy cuttings of Larix x eurolepis A. Henry. We used dual 13C and 15N long-term labeling of reserves of stock plant[...]
rapport
M. Cazet ; CNRF ; INRA ; ENGREF NANCY | 1983
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V. Pellicer ; M. Cazet ; CEMAGREF NOGENT SUR VERNISSON RGNO ; Michel Verger ; INRA ARDON ; L. Rivière ; INRA BEAUCOUZE | 1998Bulk vegetative propagation through rooted cuttings is a way to enhance the number of plants produced by seeds of valuable batches of hybrid larch. Four experiments were conducted between 1992 and 1995 to investigate stock plant lighting managem[...]
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In order to reduce the cost of hybrid larch stock plants production five different types or periods of lighting have been tested : natural light, supplemental photoperiodic light, supplemental photosynthétic light (3 periods). Applied from 1/03 [...]
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Three experiments have been carried out in 1993, indoors in glasshouse, outdoors under shading tunnel to compare the effect of different environmental conditions and facilities on stock plant growing and later on multiplication rate; Indoors, th[...]
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Michel Verger ; Céline Le Pichon ; INRA ARDON STATION D'AMELIORATION DES ARBRES FORESTIERS ; M. Cazet ; CEMAGREF NOGENT SUR VERNISSON RGNO | 1998Le programme français d'amélioration génétique du Douglas génère des sources de graines très performantes (familles de demi ou plein-frères) mais en quantité insuffisante pour être une source importante de matériel forestier de reboisement. La m[...]
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N. Bidaud ; M. Cazet ; J. Gautry ; Michel Verger ; CEMAGREF NOGENT SUR VERNISSON ; Symposium sur la "Production de variétés génétiquement améliorées d'espèces forestières à croissance rapide", Bordeaux, 14-18 septembre 1992 (1992; FRA) ; INRA OLIVET ; AFOCEL VERNEUIL SUR VIENNE ; GIS BULK | Paris [FRA] : Afocel | 1993L'AFOCEL, le CEMAGREF et l'INRA, coopérant sur un programme de multiplication végétative en vrac ("bulk propagation") du Douglas, présentent leurs premiers résultats : ils concernent le forçage des plants-mères et l'enracinement des boutures pré[...]
