一、根部病害与防治根癌病是桃树上的一种主要根部病害。防治时应彻底切除病瘤,用硫酸铜100倍液或5波美度石硫合剂进行伤口消毒杀菌,再用8%抗菌剂402液100～200倍液涂抹,或用70%甲基托布津可湿性粉剂500倍液、75%五氯硝基苯可湿性粉剂600倍液、50%退菌特可湿性粉剂250倍液、40% First, the root disease and prevention and treatment of root disease is a peach tree root diseases. Prevention should be completely removed the tumor, with copper sulfate 100 times or 5 metamodelithiasis agents for wound disinfection, and then 8% antibacterial agent 402 solution 100 to 200 times the smear, or with 70% thiophanate-methyl WP 500 times, 75% PCNB 600 times wettable powder, 50% TBT wettable powder 250 times, 40%