【Objective】The effects of trunk transfusion and drip with ethrel and naphthalene acetic acid(NAA) on walnut green husk cracking rate and fruit quality were investigated in order to provide some references for application of trunk transfusion and drip technology during walnut harvest period. 【 Method 】 The walnut trunk were transfused and driped with mixed solutions of ethrel and NAA at different concentrations on 18 and 6 days before harvest to conduct pre-test and formal test. Then the cracking rate of gre...