1.适时嫁接 桃苗嫁接早,雨水多,往往因浸渍伤砧伤苗,砧木和接穗难以愈合;嫁接迟,温度过高,水分蒸发量大,不利于伤口愈合。1993.6.15～7.29,辽中农校7名学员在省科技培训中心示范场进行桃苗嫁接实习,由于6.18～7.7连续下雨19天,造成了6.15～ 1. timely grafting peach grafted early, rain and more often because of the impregnated wound anvil seedlings, rootstock and scion difficult to heal; late grafting, the temperature is too high, the amount of water evaporation, is not conducive to wound healing. 1993.6.15 ~ 7.29, Liaozhong Agricultural School 7 students in the provincial science and technology training center demonstration field peach grafting internship, due to 6.18 ~ 7.7 continuous raining for 19 days, resulting in 6.15 ~