... help in reviewing this paper, as well as the staff of theForest Tree Breeding Laboratory INRA,Orléans, for its technical help in establishing theexperiment, maintaining ... clonesbefore estimating genetic parameters involving their offsprings.Genotypic variation among parent-clonesTable V gives information on the trait valueand variation of the ... togeneral information regarding origin(geographic coordinates, for instance).Conversely, frost damage in the springWood characteristicsBranch angle is of great importance in poplarsbecause,...