1. A method of increasing the plant's resistance to abiotic stressful environmental effects, comprising introducing at least one cyclopropene into water for plant irrigation, where said agrochemical has a physiological effect on the plant. A method of improving the quality and / or yield and / or power of a plant crop, comprising adding at least one cyclopropene to water for plant irrigation, where the specified agrochemical agent has a physiological effect on the plant. A method of reducing plant damage caused by one or more abiotic environmental stress factors, comprising adding at least one cyclopropene to water for plant irrigation, wherein said agrochemical has a physiological effect on the plant. The method according to any one of claims 1 to 3, where cyclopropene is 1-MCP. 5. The method according to claim 1, which includes the simultaneous and / or sequential application of one or more additional agrochemical compounds and / or plant nutrients and / or plant fertilizers. The method according to claim 5, wherein the additional agrochemical compound is a pesticide, such as a fungicide, herbicide, insecticide, bactericide, acaricide or nematicide. The method of claim 6, wherein the abiotic stress is drought, flood, abnormally high temperature, low temperature, frost, excessive sunlight, insufficient sunlight, wind, lack of nutrients in the soil, abnormally high soil salinity, air pollution, soil pollution , �1. Способ увеличения устойчивости растения к абиотическому стрессовому воздействию окружающей среды, включающий внесение по меньшей мере одного циклопропена в воду для полива растений, где указанное агрохимическое средство обладает физиологическим эффектом на растение.2. Способ повышения качества, и/или урожая, и/или мощности растительной сельскохозяйственной культуры, включающий внесение по меньшей мере одного циклопропена в воду для полива растений, где указанное агрохимическое средство обладает физиологическим эффектом на растение.3. Способ уменьшения пов
