The effects of 30% diethyl aminoethyl hexanoate ethephon aqueous solution on fruit coloration and commercialization of‘ Kyoho' grape were studied to provide technical support for the safe use of grape color agents. Referring to the Guidelines for Pesticide Experiment Field Efficacy Trials Ⅱ, the active ingredient dosage of 200.0,250.0,300.0 and 500.0 mg/kg of 30% diethyl aminoethyl hexanoate ethephon aqueous solution were sprayed to the fruit cluster,taking contrast with 8% diethyl aminoethyl hexanoate ethe...