Fuente: WIPO "tomato" The present invention relates to the use of certain isoflavone derivatives or an agriculturally acceptable salt thereof, to increase growth,yield, flowering and/or furuit set of a plant, at any developmental stage, as compared to the non-treated plant of the same species and at the same developmental stage, and to its use to further increase the adaptability of the plant to an abiotic and/or biotic stress. It also relates to certain isoflavone derivative compounds and compositions comprising them.