Terpal — plant growth regulator containing mepiquat chloride and etephon. The product is used to accelerate the ripening of cereal spike crops. It is applied via spraying of crops. Produced by BASF CE, located in Germany. The product is registered under number 6602 and registered on September 21, 2012. It is a water solution containing 305 g/l of mepiquat chloride and 155 g/l of etephon. Used in agriculture to enhance crop care efficiency. Terpal is one of the products used for regulating plant growth and ensuring higher crop quality. Its use allows achieving desired results under various climatic conditions and soil types.