几种杀菌剂防治果树腐烂病药效对比试验

Field Effect Comparison of Fungicides to Control Canker in Apple Tree

在2007—2008年研究的基础上,用0.5%苦参碱水剂、40%福美砷可湿性粉剂、2.12%腐植酸铜水剂3种杀菌剂对苹果树腐烂病病菌进行田间药效对比试验。结果表明,0.5%苦参碱水剂800倍、1000倍、1200倍液对苹果树腐烂病的治愈率分别达到了98%,96%,93%,复发病疤防治效果分别为97.34%,94.87%,91.30%,明显优于40%福美砷可湿性粉剂50倍液及2.12%腐植酸铜水剂的防治效果。

A comparative experiment, in Shanxi Academy of Agricultural Sciences from 2007 to 2008, with 0.5% sophona flaveseens ait water agent, 40% the wetable powder agent asomate, 2.12% hnmie acids copper water agent against apple rot bacte- ria was conducted. The results show that： the cure rates to apple canker with 0.5% sophona flaveseens ait water agent 800 times, 1 000 times, 1 200 times were 98%, 96%, 93%, control rate to recurrence of disease for scar were 97.34%, 94.87%, 91.30%, which were 40 percent higher than 40% the wetable powder agent asoma/e powder 50 times and 2.12% humic acid copper water agent.