POLYNUCLEOTIDES ISOLES ET POLYPEPTIDES ET LEURS PROCEDES D'UTILISATION POUR AUGMENTER LE RENDEMENT VEGETAL, LA BIOMASSE, LA VITESSE DE CROISSANCE, LA VIGUEUR, LA TENEUR EN HUILE, LA TOLERANCE AU STRESS ABIOTIQUE DE PLANTES ET L'EFFICACITE D'UTILISATION DE L'AZOTE
Provided are isolated polynucleotides comprising a nucleic acid sequence encoding a polypeptide at least 80 % identical to SEQ ID NO: 422, 362-421, 423-601, 2429-4085 and 4086, such as a polynucleotide which is at least 80% identical to SEQ ID NO: 260, 1-259, 261-361, 602-2427 and 2428, nucleic acid constructs comprising same, plant cells comprising same, transgenic plants expressing same, and methods of generating thereof for increasing the yield, biomass, growth rate, vigor, oil content, fiber yield, fiber quality, nitrogen use efficiency and/or abiotic stress tolerance of a plant.