Composition for improving environmental stress tolerance of plant and method for improving environmental stress tolerance of plant

摘要

Provided is a composition for improving the environmental stress resistance of a plant, the active ingredient of which has been clarified, and thus, which can be applied to a plant that is required to be safe, such as an edible plant, and further can provide a stable effect. The composition for improving the environmental stress resistance of a plant contains at least one kind of sanguinarine or a salt thereof represented by the following formula (I), as an active ingredient.