Claim 1: a method for increasing a characteristic of Plant Growth, increasing the efficiency of Plant Nutrients, or enhance the ability of a plant to overcome stress which comprises applying a composition comprising ketosuccinamato, one of his Derivatives or their salts, to the plant or a propagation material of the plant.The Method of claim 4: any of the preceding Claims, wherein the application is pre Emergence or post Emergence.The Method of claim 17: any of the preceding Claims, wherein the composition comprises, in addition, a Surfactant, a Humectant, adjuvant, an Antioxidant, a Stabilizer, a Micronutrient macronutrient Vegetable, Vegetable, Pesticide, Fungicide, An ant Iviral, anti-bacterial, a herbicide, or a combination of the above.The Method of claim 18: any of the preceding Claims, wherein the composition comprises also a compound Plant Growth stimulant.The Method of claim 19: claim 18, wherein the compound Plant Growth stimulant acid (R) - 2 - hydroxy - 2 - 5 - oxopirrolidin - carboxylic acid (S) - 5 - oxopirrolidin - 2 carboxylic acid, or a combination of the above.The Method of claim 24: any of the preceding Claims, wherein the ketosuccinamato is derived from 3 - carbamoyl - 2,4 dihydroxy - 6 - oxopiperidin - 2.4 - dicarboxilato acid； 4 - amino - 2.4 - dioxobutanoico； (S) - 4 - oxoazetidin - 2 - carboxylic acid, cyclohexanecarboxylic acid 1.5 - 4.8 - - diazocan - 2.6 - di Carboxylic acid； or a combination of the above.Claim 25: a composition comprising ketosuccinamato, or one of its derivatives, or one of its salts； a vehicle； and Optionally, a compound Plant Growth stimulant.Reivindicación 1: Un método para aumentar una característica de crecimiento de una planta, aumentando la eficiencia en el uso de nutrientes de una planta, o mejorar la capacidad de una planta para superar el estrés que comprende aplicar una composición que comprende ketosuccinamato, uno de sus derivados, o una de sus sales, a la planta o a un material de propagación de la planta.
