PLANT HEAT RESISTANCE OR DROUGHT RESISTANCE IMPROVING AGENT, SALT TOLERANCE IMPROVING AGENT, ACTIVITY IMPROVING AGENT

摘要

The present invention pertains to a plant heat resistance or drought resistance improving agent, salt tolerance improving agent, and activity improving agent containing: an acetic acid or a salt thereof, or a solvate of one of these; and a malic acid or a salt thereof, or a solvate of one of these.