Methods and compositions for improving performance and productivity of plants

Methods for improving the performance and productivity of plants are described. The method comprises contacting above-ground biomass of a plant with a composition comprising a monoglyceride. Application of the compositions to aboveground biomass can improve the performance of plants, including improved resistance to abiotic and biological stress, and can provide post-harvest benefits (e.g., extended shelf life) to plant products (e.g., fruits or vegetables) that have not been harvested from the plants. 描述了用于改善植物的性能和生产力的方法。所述方法包括使植物的地上生物质与包括甘油单酯的组合物接触。将所述组合物应用于地上生物质可以改善植物的性能，包括改善的对非生物和生物胁迫的抗性，并且可以为尚未从植物收获的植物产品(例如，果实或蔬菜)提供收获后益处(例如，延长的储存期)。